From 5b4f1c271acad5d81bbf43388b9e2408a0196a4e Mon Sep 17 00:00:00 2001
From: Thomas Citharel <tcit@tcit.fr>
Date: Mon, 30 Sep 2019 13:48:47 +0200
Subject: [PATCH] Send email notifications when a participation is
 approved/rejected

Also handles participant status :rejected instead of deleting the
participation

Closes #164

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
---
 js/src/components/Account/ParticipantCard.vue |   2 +-
 .../components/Event/ParticipationButton.vue  |  10 +-
 js/src/graphql/event.ts                       |  17 +-
 js/src/i18n/en_US.json                        |   6 +-
 js/src/i18n/fr_FR.json                        |   6 +-
 js/src/types/event.model.ts                   |   4 +-
 js/src/views/Event/Participants.vue           |  54 +++++-
 lib/mobilizon/events/events.ex                |  19 +-
 lib/mobilizon_web/api/participations.ex       |  34 ++--
 lib/mobilizon_web/email/participation.ex      |  84 +++++++++
 lib/mobilizon_web/resolvers/event.ex          |  59 ++-----
 lib/mobilizon_web/schema/event.ex             |   1 +
 .../schema/events/participant.ex              |  14 +-
 .../event_participation_approved.html.eex     |  81 +++++++++
 .../event_participation_approved.text.eex     |  11 ++
 .../event_participation_rejected.html.eex     |  56 ++++++
 .../event_participation_rejected.text.eex     |   7 +
 lib/service/activity_pub/activity.ex          |   2 -
 lib/service/activity_pub/activity_pub.ex      |   3 +-
 lib/service/activity_pub/transmogrifier.ex    |  22 +--
 priv/gettext/cs/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/cs/LC_MESSAGES/errors.po         |  93 ++++++++++
 priv/gettext/de/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/de/LC_MESSAGES/errors.po         |  87 +++++++++
 priv/gettext/default.pot                      | 120 ++++++++++++-
 priv/gettext/en/LC_MESSAGES/default.po        | 166 ++++++++++++++----
 priv/gettext/es/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/es/LC_MESSAGES/errors.po         |  87 +++++++++
 priv/gettext/fr_FR/LC_MESSAGES/default.po     | 144 ++++++++++++++-
 priv/gettext/it/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/it/LC_MESSAGES/errors.po         |  87 +++++++++
 priv/gettext/ja/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/ja/LC_MESSAGES/errors.po         |  81 +++++++++
 priv/gettext/nl/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/nl/LC_MESSAGES/errors.po         |  87 +++++++++
 priv/gettext/oc/LC_MESSAGES/default.po        | 166 ++++++++++++++----
 priv/gettext/oc/LC_MESSAGES/errors.po         |  87 +++++++++
 priv/gettext/pl/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/pl/LC_MESSAGES/errors.po         |  93 ++++++++++
 priv/gettext/pt/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/pt/LC_MESSAGES/errors.po         |  87 +++++++++
 priv/gettext/ru/LC_MESSAGES/default.po        | 162 +++++++++++++----
 priv/gettext/ru/LC_MESSAGES/errors.po         |  93 ++++++++++
 .../20190929170817_rename_postgres_types.exs  |  52 ++++++
 ...75229_add_rejected_to_participant_role.exs |  21 +++
 schema.graphql                                |  15 +-
 .../resolvers/participant_resolver_test.exs   |  60 +++++--
 47 files changed, 3092 insertions(+), 484 deletions(-)
 create mode 100644 lib/mobilizon_web/email/participation.ex
 create mode 100644 lib/mobilizon_web/templates/email/event_participation_approved.html.eex
 create mode 100644 lib/mobilizon_web/templates/email/event_participation_approved.text.eex
 create mode 100644 lib/mobilizon_web/templates/email/event_participation_rejected.html.eex
 create mode 100644 lib/mobilizon_web/templates/email/event_participation_rejected.text.eex
 create mode 100644 priv/gettext/cs/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/de/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/es/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/it/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/ja/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/nl/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/oc/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/pl/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/pt/LC_MESSAGES/errors.po
 create mode 100644 priv/gettext/ru/LC_MESSAGES/errors.po
 create mode 100644 priv/repo/migrations/20190929170817_rename_postgres_types.exs
 create mode 100644 priv/repo/migrations/20190929175229_add_rejected_to_participant_role.exs

diff --git a/js/src/components/Account/ParticipantCard.vue b/js/src/components/Account/ParticipantCard.vue
index 76be96b6f..0a56b9420 100644
--- a/js/src/components/Account/ParticipantCard.vue
+++ b/js/src/components/Account/ParticipantCard.vue
@@ -14,7 +14,7 @@
       </div>
     </div>
     <footer class="card-footer">
-    <b-button v-if="participant.role === ParticipantRole.NOT_APPROVED" @click="accept(participant)" type="is-success" class="card-footer-item">{{ $t('Approve') }}</b-button>
+    <b-button v-if="[ParticipantRole.NOT_APPROVED, ParticipantRole.REJECTED].includes(participant.role)" @click="accept(participant)" type="is-success" class="card-footer-item">{{ $t('Approve') }}</b-button>
     <b-button v-if="participant.role === ParticipantRole.NOT_APPROVED" @click="reject(participant)" type="is-danger" class="card-footer-item">{{ $t('Reject')}} </b-button>
     <b-button v-if="participant.role === ParticipantRole.PARTICIPANT" @click="exclude(participant)" type="is-danger" class="card-footer-item">{{ $t('Exclude')}} </b-button>
     <span v-if="participant.role === ParticipantRole.CREATOR" class="card-footer-item">{{ $t('Creator')}} </span>
diff --git a/js/src/components/Event/ParticipationButton.vue b/js/src/components/Event/ParticipationButton.vue
index e86698af5..7a6d5ba3e 100644
--- a/js/src/components/Event/ParticipationButton.vue
+++ b/js/src/components/Event/ParticipationButton.vue
@@ -2,6 +2,7 @@
     <div class="participation-button">
         <b-dropdown aria-role="list" position="is-bottom-left" v-if="participation && participation.role === ParticipantRole.PARTICIPANT">
             <button class="button is-success" type="button" slot="trigger">
+                <b-icon icon="check"></b-icon>
                 <template>
                     <span>{{ $t('I participate') }}</span>
                 </template>
@@ -12,7 +13,7 @@
             <!--                  {{ $t('Change my identity…')}}-->
             <!--                </b-dropdown-item>-->
 
-            <b-dropdown-item :value="false" aria-role="listitem" @click="confirmLeave">
+            <b-dropdown-item :value="false" aria-role="listitem" @click="confirmLeave" class="has-text-danger">
                 {{ $t('Cancel my participation…')}}
             </b-dropdown-item>
         </b-dropdown>
@@ -20,6 +21,7 @@
         <div v-else-if="participation && participation.role === ParticipantRole.NOT_APPROVED">
             <b-dropdown aria-role="list" position="is-bottom-left" class="dropdown-disabled">
                 <button class="button is-success" type="button" slot="trigger">
+                    <b-icon icon="timer-sand-empty"></b-icon>
                     <template>
                         <span>{{ $t('I participate') }}</span>
                     </template>
@@ -30,7 +32,7 @@
                 <!--                  {{ $t('Change my identity…')}}-->
                 <!--                </b-dropdown-item>-->
 
-                <b-dropdown-item :value="false" aria-role="listitem" @click="confirmLeave">
+                <b-dropdown-item :value="false" aria-role="listitem" @click="confirmLeave" class="has-text-danger">
                     {{ $t('Cancel my participation request…')}}
                 </b-dropdown-item>
             </b-dropdown>
@@ -38,6 +40,10 @@
             <small>{{ $t('Waiting for organization team approval.')}}</small>
         </div>
 
+        <div v-else-if="participation && participation.role === ParticipantRole.REJECTED">
+            <span>{{ $t('Unfortunately, your participation request was rejected by the organizers.')}}</span>
+        </div>
+
         <b-dropdown aria-role="list" position="is-bottom-left" v-if="!participation">
             <button class="button is-primary" type="button" slot="trigger">
                 <template>
diff --git a/js/src/graphql/event.ts b/js/src/graphql/event.ts
index 6d53b8964..0c40da1db 100644
--- a/js/src/graphql/event.ts
+++ b/js/src/graphql/event.ts
@@ -334,23 +334,15 @@ export const LEAVE_EVENT = gql`
   }
 `;
 
-export const ACCEPT_PARTICIPANT = gql`
-  mutation AcceptParticipant($id: ID!, $moderatorActorId: ID!) {
-    acceptParticipation(id: $id, moderatorActorId: $moderatorActorId) {
+export const UPDATE_PARTICIPANT = gql`
+  mutation AcceptParticipant($id: ID!, $moderatorActorId: ID!, $role: ParticipantRoleEnum!) {
+    updateParticipation(id: $id, moderatorActorId: $moderatorActorId, role: $role) {
       role,
       id
     }
   }
 `;
 
-export const REJECT_PARTICIPANT = gql`
-  mutation RejectParticipant($id: ID!, $moderatorActorId: ID!) {
-    rejectParticipation(id: $id, moderatorActorId: $moderatorActorId) {
-      id
-    }
-  }
-`;
-
 export const DELETE_EVENT = gql`
   mutation DeleteEvent($eventId: ID!, $actorId: ID!) {
     deleteEvent(
@@ -371,7 +363,8 @@ export const PARTICIPANTS = gql`
       },
       participantStats {
         approved,
-        unapproved
+        unapproved,
+        rejected
       }
     }
   }
diff --git a/js/src/i18n/en_US.json b/js/src/i18n/en_US.json
index 2f42b26ab..bba7cd255 100644
--- a/js/src/i18n/en_US.json
+++ b/js/src/i18n/en_US.json
@@ -253,5 +253,9 @@
     "{approved} / {total} seats": "{approved} / {total} seats",
     "{count} participants": "{count} participants",
     "{count} requests waiting": "{count} requests waiting",
-    "© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks": "© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks"
+    "© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks": "© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks",
+    "Requests": "Requests",
+    "Rejected": "Rejected",
+    "Rejected participations": "Rejected participations",
+    "Unfortunately, your participation request was rejected by the organizers.": "Unfortunately, your participation request was rejected by the organizers."
 }
\ No newline at end of file
diff --git a/js/src/i18n/fr_FR.json b/js/src/i18n/fr_FR.json
index 96b018aa4..2b97a6d64 100644
--- a/js/src/i18n/fr_FR.json
+++ b/js/src/i18n/fr_FR.json
@@ -253,5 +253,9 @@
     "{approved} / {total} seats": "{approved} / {total} places",
     "{count} participants": "Un⋅e participant⋅e|{count} participant⋅e⋅s",
     "{count} requests waiting": "Un⋅e demande en attente|{count} demandes en attente",
-    "© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks": "© Les contributeurs de Mobilizon {date} - Fait avec Elixir, Phoenix, VueJS & et de l'amour et des semaines"
+    "© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks": "© Les contributeurs de Mobilizon {date} - Fait avec Elixir, Phoenix, VueJS & et de l'amour et des semaines",
+    "Requests": "Requêtes",
+    "Rejected": "Rejetés",
+    "Rejected participations": "Participations rejetées",
+    "Unfortunately, your participation request was rejected by the organizers.": "Malheureusement, votre demande de participation a été refusée par les organisateur⋅ices."
 }
\ No newline at end of file
diff --git a/js/src/types/event.model.ts b/js/src/types/event.model.ts
index 6653d7503..3aa438c85 100644
--- a/js/src/types/event.model.ts
+++ b/js/src/types/event.model.ts
@@ -30,6 +30,7 @@ export enum EventVisibilityJoinOptions {
 
 export enum ParticipantRole {
   NOT_APPROVED = 'NOT_APPROVED',
+  REJECTED = 'REJECTED',
   PARTICIPANT = 'PARTICIPANT',
   MODERATOR = 'MODERATOR',
   ADMINISTRATOR = 'ADMINISTRATOR',
@@ -112,6 +113,7 @@ export interface IEvent {
   participantStats: {
     approved: number;
     unapproved: number;
+    rejected: number;
   };
   participants: IParticipant[];
 
@@ -175,7 +177,7 @@ export class EventModel implements IEvent {
 
   publishAt = new Date();
 
-  participantStats = { approved: 0, unapproved: 0 };
+  participantStats = { approved: 0, unapproved: 0, rejected: 0 };
   participants: IParticipant[] = [];
 
   relatedEvents: IEvent[] = [];
diff --git a/js/src/views/Event/Participants.vue b/js/src/views/Event/Participants.vue
index afd0b404b..df7342a4e 100644
--- a/js/src/views/Event/Participants.vue
+++ b/js/src/views/Event/Participants.vue
@@ -4,7 +4,7 @@
             <b-tab-item>
                 <template slot="header">
                     <b-icon icon="information-outline"></b-icon>
-                    <span> Participants <b-tag rounded> {{ participantStats.approved }} </b-tag> </span>
+                    <span>{{ $t('Participants')}} <b-tag rounded> {{ participantStats.approved }} </b-tag> </span>
                 </template>
                 <section v-if="participantsAndCreators.length > 0">
                     <h2 class="title">{{ $t('Participants') }}</h2>
@@ -23,7 +23,7 @@
             <b-tab-item>
                 <template slot="header">
                     <b-icon icon="source-pull"></b-icon>
-                    <span> Demandes <b-tag rounded> {{ participantStats.unapproved }} </b-tag> </span>
+                    <span>{{ $t('Requests') }} <b-tag rounded> {{ participantStats.unapproved }} </b-tag> </span>
                 </template>
                 <section v-if="queue.length > 0">
                     <h2 class="title">{{ $t('Waiting list') }}</h2>
@@ -39,6 +39,25 @@
                     </div>
                 </section>
             </b-tab-item>
+            <b-tab-item>
+                <template slot="header">
+                    <b-icon icon="source-pull"></b-icon>
+                    <span>{{ $t('Rejected')}} <b-tag rounded> {{ participantStats.rejected }} </b-tag> </span>
+                </template>
+                <section v-if="rejected.length > 0">
+                    <h2 class="title">{{ $t('Rejected participations') }}</h2>
+                    <div class="columns">
+                        <div class="column is-one-quarter-desktop" v-for="participant in rejected" :key="participant.actor.id">
+                            <participant-card
+                                    :participant="participant"
+                                    :accept="acceptParticipant"
+                                    :reject="refuseParticipant"
+                                    :exclude="refuseParticipant"
+                            />
+                        </div>
+                    </div>
+                </section>
+            </b-tab-item>
         </b-tabs>
     </main>
 </template>
@@ -46,7 +65,7 @@
 <script lang="ts">
 import { Component, Prop, Vue } from 'vue-property-decorator';
 import { IEvent, IParticipant, Participant, ParticipantRole } from '@/types/event.model';
-import { ACCEPT_PARTICIPANT, PARTICIPANTS, REJECT_PARTICIPANT } from '@/graphql/event';
+import { UPDATE_PARTICIPANT, PARTICIPANTS } from '@/graphql/event';
 import ParticipantCard from '@/components/Account/ParticipantCard.vue';
 import { CURRENT_ACTOR_CLIENT } from '@/graphql/actor';
 import { IPerson } from '@/types/actor';
@@ -98,6 +117,19 @@ import { IPerson } from '@/types/actor';
       },
       update: data => data.event.participants.map(participation => new Participant(participation)),
     },
+    rejected: {
+      query: PARTICIPANTS,
+      variables() {
+        return {
+          uuid: this.eventId,
+          page: 1,
+          limit: 20,
+          roles: [ParticipantRole.REJECTED].join(),
+          actorId: this.currentActor.id,
+        };
+      },
+      update: data => data.event.participants.map(participation => new Participant(participation)),
+    },
   },
 })
 export default class Participants extends Vue {
@@ -108,6 +140,7 @@ export default class Participants extends Vue {
   // participants: IParticipant[] = [];
   organizers: IParticipant[] = [];
   queue: IParticipant[] = [];
+  rejected: IParticipant[] = [];
   event!: IEvent;
 
   ParticipantRole = ParticipantRole;
@@ -156,15 +189,16 @@ export default class Participants extends Vue {
   async acceptParticipant(participant: IParticipant) {
     try {
       const { data } = await this.$apollo.mutate({
-        mutation: ACCEPT_PARTICIPANT,
+        mutation: UPDATE_PARTICIPANT,
         variables: {
           id: participant.id,
           moderatorActorId: this.currentActor.id,
+          role: ParticipantRole.PARTICIPANT,
         },
       });
       if (data) {
-        console.log('accept', data);
-        this.queue.filter(participant => participant !== data.acceptParticipation.id);
+        this.queue.filter(participant => participant !== data.updateParticipation.id);
+        this.rejected.filter(participant => participant !== data.updateParticipation.id);
         this.participants.push(participant);
       }
     } catch (e) {
@@ -175,15 +209,17 @@ export default class Participants extends Vue {
   async refuseParticipant(participant: IParticipant) {
     try {
       const { data } = await this.$apollo.mutate({
-        mutation: REJECT_PARTICIPANT,
+        mutation: UPDATE_PARTICIPANT,
         variables: {
           id: participant.id,
           moderatorActorId: this.currentActor.id,
+          role: ParticipantRole.REJECTED,
         },
       });
       if (data) {
-        this.participants.filter(participant => participant !== data.rejectParticipation.id);
-        this.queue.filter(participant => participant !== data.rejectParticipation.id);
+        this.participants.filter(participant => participant !== data.updateParticipation.id);
+        this.queue.filter(participant => participant !== data.updateParticipation.id);
+        this.rejected.push(participant);
       }
     } catch (e) {
       console.error(e);
diff --git a/lib/mobilizon/events/events.ex b/lib/mobilizon/events/events.ex
index 117169f83..9f097aead 100644
--- a/lib/mobilizon/events/events.ex
+++ b/lib/mobilizon/events/events.ex
@@ -70,6 +70,7 @@ defmodule Mobilizon.Events do
 
   defenum(ParticipantRole, :participant_role, [
     :not_approved,
+    :rejected,
     :participant,
     :moderator,
     :administrator,
@@ -718,6 +719,17 @@ defmodule Mobilizon.Events do
     |> Repo.aggregate(:count, :id)
   end
 
+  @doc """
+  Counts rejected participants.
+  """
+  @spec count_rejected_participants(integer | String.t()) :: integer
+  def count_rejected_participants(event_id) do
+    event_id
+    |> count_participants_query()
+    |> filter_rejected_role()
+    |> Repo.aggregate(:count, :id)
+  end
+
   @doc """
   Gets the default participant role depending on the event join options.
   """
@@ -1361,7 +1373,7 @@ defmodule Mobilizon.Events do
 
   @spec filter_approved_role(Ecto.Query.t()) :: Ecto.Query.t()
   defp filter_approved_role(query) do
-    from(p in query, where: p.role != ^:not_approved)
+    from(p in query, where: p.role not in ^[:not_approved, :rejected])
   end
 
   @spec filter_unapproved_role(Ecto.Query.t()) :: Ecto.Query.t()
@@ -1369,6 +1381,11 @@ defmodule Mobilizon.Events do
     from(p in query, where: p.role == ^:not_approved)
   end
 
+  @spec filter_rejected_role(Ecto.Query.t()) :: Ecto.Query.t()
+  defp filter_rejected_role(query) do
+    from(p in query, where: p.role == ^:rejected)
+  end
+
   @spec filter_role(Ecto.Query.t(), list(atom())) :: Ecto.Query.t()
   defp filter_role(query, []), do: query
 
diff --git a/lib/mobilizon_web/api/participations.ex b/lib/mobilizon_web/api/participations.ex
index 97b6ffaf6..7f4535036 100644
--- a/lib/mobilizon_web/api/participations.ex
+++ b/lib/mobilizon_web/api/participations.ex
@@ -7,6 +7,7 @@ defmodule MobilizonWeb.API.Participations do
   alias Mobilizon.Events
   alias Mobilizon.Events.{Event, Participant}
   alias Mobilizon.Service.ActivityPub
+  alias MobilizonWeb.Email.Participation
 
   @spec join(Event.t(), Actor.t()) :: {:ok, Participant.t()}
   def join(%Event{id: event_id} = event, %Actor{id: actor_id} = actor) do
@@ -22,10 +23,19 @@ defmodule MobilizonWeb.API.Participations do
     end
   end
 
-  def accept(
-        %Participant{} = participation,
-        %Actor{} = moderator
-      ) do
+  @doc """
+  Update participation status
+  """
+  def update(%Participant{} = participation, %Actor{} = moderator, :participant),
+    do: accept(participation, moderator)
+
+  def update(%Participant{} = participation, %Actor{} = moderator, :rejected),
+    do: reject(participation, moderator)
+
+  defp accept(
+         %Participant{} = participation,
+         %Actor{} = moderator
+       ) do
     with {:ok, activity, _} <-
            ActivityPub.accept(
              %{
@@ -36,15 +46,16 @@ defmodule MobilizonWeb.API.Participations do
              "#{MobilizonWeb.Endpoint.url()}/accept/join/#{participation.id}"
            ),
          {:ok, %Participant{role: :participant} = participation} <-
-           Events.update_participant(participation, %{"role" => :participant}) do
+           Events.update_participant(participation, %{"role" => :participant}),
+         :ok <- Participation.send_emails_to_local_user(participation) do
       {:ok, activity, participation}
     end
   end
 
-  def reject(
-        %Participant{} = participation,
-        %Actor{} = moderator
-      ) do
+  defp reject(
+         %Participant{} = participation,
+         %Actor{} = moderator
+       ) do
     with {:ok, activity, _} <-
            ActivityPub.reject(
              %{
@@ -54,8 +65,9 @@ defmodule MobilizonWeb.API.Participations do
              },
              "#{MobilizonWeb.Endpoint.url()}/reject/join/#{participation.id}"
            ),
-         {:ok, %Participant{} = participation} <-
-           Events.delete_participant(participation) do
+         {:ok, %Participant{role: :rejected} = participation} <-
+           Events.update_participant(participation, %{"role" => :rejected}),
+         :ok <- Participation.send_emails_to_local_user(participation) do
       {:ok, activity, participation}
     end
   end
diff --git a/lib/mobilizon_web/email/participation.ex b/lib/mobilizon_web/email/participation.ex
new file mode 100644
index 000000000..6029349fb
--- /dev/null
+++ b/lib/mobilizon_web/email/participation.ex
@@ -0,0 +1,84 @@
+defmodule MobilizonWeb.Email.Participation do
+  @moduledoc """
+  Handles emails sent about participation.
+  """
+
+  use Bamboo.Phoenix, view: MobilizonWeb.EmailView
+
+  import Bamboo.Phoenix
+
+  import MobilizonWeb.Gettext
+
+  alias Mobilizon.Users.User
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Events.Participant
+
+  alias MobilizonWeb.Email
+
+  @doc """
+  Send emails to local user
+  """
+  def send_emails_to_local_user(
+        %Participant{actor: %Actor{user_id: nil} = _actor} = _participation
+      ),
+      do: :ok
+
+  @doc """
+  Send emails to local user
+  """
+  def send_emails_to_local_user(
+        %Participant{actor: %Actor{user_id: user_id} = _actor} = participation
+      ) do
+    with %User{} = user <- Mobilizon.Users.get_user!(user_id) do
+      user
+      |> participation_updated(participation)
+      |> Email.Mailer.deliver_later()
+
+      :ok
+    end
+  end
+
+  @spec participation_updated(User.t(), Participant.t(), String.t()) :: Bamboo.Email.t()
+  def participation_updated(user, participant, locale \\ "en")
+
+  def participation_updated(
+        %User{email: email},
+        %Participant{event: event, role: :rejected},
+        locale
+      ) do
+    Gettext.put_locale(locale)
+
+    subject =
+      gettext(
+        "Your participation to event %{title} has been rejected",
+        title: event.title
+      )
+
+    Email.base_email(to: email, subject: subject)
+    |> assign(:locale, locale)
+    |> assign(:event, event)
+    |> assign(:subject, subject)
+    |> render(:event_participation_rejected)
+  end
+
+  @spec participation_updated(User.t(), Participant.t(), String.t()) :: Bamboo.Email.t()
+  def participation_updated(
+        %User{email: email},
+        %Participant{event: event, role: :participant},
+        locale
+      ) do
+    Gettext.put_locale(locale)
+
+    subject =
+      gettext(
+        "Your participation to event %{title} has been approved",
+        title: event.title
+      )
+
+    Email.base_email(to: email, subject: subject)
+    |> assign(:locale, locale)
+    |> assign(:event, event)
+    |> assign(:subject, subject)
+    |> render(:event_participation_approved)
+  end
+end
diff --git a/lib/mobilizon_web/resolvers/event.ex b/lib/mobilizon_web/resolvers/event.ex
index 300fdd26b..48ffc73db 100644
--- a/lib/mobilizon_web/resolvers/event.ex
+++ b/lib/mobilizon_web/resolvers/event.ex
@@ -83,7 +83,8 @@ defmodule MobilizonWeb.Resolvers.Event do
     {:ok,
      %{
        approved: Mobilizon.Events.count_approved_participants(id),
-       unapproved: Mobilizon.Events.count_unapproved_participants(id)
+       unapproved: Mobilizon.Events.count_unapproved_participants(id),
+       rejected: Mobilizon.Events.count_rejected_participants(id)
      }}
   end
 
@@ -202,9 +203,9 @@ defmodule MobilizonWeb.Resolvers.Event do
     {:error, "You need to be logged-in to leave an event"}
   end
 
-  def accept_participation(
+  def update_participation(
         _parent,
-        %{id: participation_id, moderator_actor_id: moderator_actor_id},
+        %{id: participation_id, moderator_actor_id: moderator_actor_id, role: new_role},
         %{
           context: %{
             current_user: user
@@ -214,14 +215,15 @@ defmodule MobilizonWeb.Resolvers.Event do
     # Check that moderator provided is rightly authenticated
     with {:is_owned, moderator_actor} <- User.owns_actor(user, moderator_actor_id),
          # Check that participation already exists
-         {:has_participation, %Participant{role: :not_approved} = participation} <-
+         {:has_participation, %Participant{role: old_role} = participation} <-
            {:has_participation, Mobilizon.Events.get_participant(participation_id)},
+         {:same_role, false} <- {:same_role, new_role == old_role},
          # Check that moderator has right
          {:actor_approve_permission, true} <-
            {:actor_approve_permission,
             Mobilizon.Events.moderator_for_event?(participation.event.id, moderator_actor_id)},
          {:ok, _activity, participation} <-
-           MobilizonWeb.API.Participations.accept(participation, moderator_actor) do
+           MobilizonWeb.API.Participations.update(participation, moderator_actor, new_role) do
       {:ok, participation}
     else
       {:is_owned, nil} ->
@@ -234,55 +236,14 @@ defmodule MobilizonWeb.Resolvers.Event do
       {:actor_approve_permission, _} ->
         {:error, "Provided moderator actor ID doesn't have permission on this event"}
 
+      {:same_role, true} ->
+        {:error, "Participant already has role #{new_role}"}
+
       {:error, :participant_not_found} ->
         {:error, "Participant not found"}
     end
   end
 
-  def reject_participation(
-        _parent,
-        %{id: participation_id, moderator_actor_id: moderator_actor_id},
-        %{
-          context: %{
-            current_user: user
-          }
-        }
-      ) do
-    # Check that moderator provided is rightly authenticated
-    with {:is_owned, moderator_actor} <- User.owns_actor(user, moderator_actor_id),
-         # Check that participation really exists
-         {:has_participation, %Participant{} = participation} <-
-           {:has_participation, Mobilizon.Events.get_participant(participation_id)},
-         # Check that moderator has right
-         {:actor_approve_permission, true} <-
-           {:actor_approve_permission,
-            Mobilizon.Events.moderator_for_event?(participation.event.id, moderator_actor_id)},
-         {:ok, _activity, participation} <-
-           MobilizonWeb.API.Participations.reject(participation, moderator_actor) do
-      {
-        :ok,
-        %{
-          id: participation.id,
-          event: %{
-            id: participation.event.id
-          },
-          actor: %{
-            id: participation.actor.id
-          }
-        }
-      }
-    else
-      {:is_owned, nil} ->
-        {:error, "Moderator Actor ID is not owned by authenticated user"}
-
-      {:actor_approve_permission, _} ->
-        {:error, "Provided moderator actor ID doesn't have permission on this event"}
-
-      {:has_participation, nil} ->
-        {:error, "Participant not found"}
-    end
-  end
-
   @doc """
   Create an event
   """
diff --git a/lib/mobilizon_web/schema/event.ex b/lib/mobilizon_web/schema/event.ex
index 630848346..7a49037a2 100644
--- a/lib/mobilizon_web/schema/event.ex
+++ b/lib/mobilizon_web/schema/event.ex
@@ -111,6 +111,7 @@ defmodule MobilizonWeb.Schema.EventType do
   object :participant_stats do
     field(:approved, :integer, description: "The number of approved participants")
     field(:unapproved, :integer, description: "The number of unapproved participants")
+    field(:rejected, :integer, description: "The number of rejected participants")
   end
 
   object :event_offer do
diff --git a/lib/mobilizon_web/schema/events/participant.ex b/lib/mobilizon_web/schema/events/participant.ex
index c70a3ee60..7873d433f 100644
--- a/lib/mobilizon_web/schema/events/participant.ex
+++ b/lib/mobilizon_web/schema/events/participant.ex
@@ -38,6 +38,7 @@ defmodule MobilizonWeb.Schema.Events.ParticipantType do
     value(:moderator)
     value(:administrator)
     value(:creator)
+    value(:rejected)
   end
 
   @desc "Represents a deleted participant"
@@ -65,19 +66,12 @@ defmodule MobilizonWeb.Schema.Events.ParticipantType do
     end
 
     @desc "Accept a participation"
-    field :accept_participation, :participant do
+    field :update_participation, :participant do
       arg(:id, non_null(:id))
+      arg(:role, non_null(:participant_role_enum))
       arg(:moderator_actor_id, non_null(:id))
 
-      resolve(&Resolvers.Event.accept_participation/3)
-    end
-
-    @desc "Reject a participation"
-    field :reject_participation, :deleted_participant do
-      arg(:id, non_null(:id))
-      arg(:moderator_actor_id, non_null(:id))
-
-      resolve(&Resolvers.Event.reject_participation/3)
+      resolve(&Resolvers.Event.update_participation/3)
     end
   end
 end
diff --git a/lib/mobilizon_web/templates/email/event_participation_approved.html.eex b/lib/mobilizon_web/templates/email/event_participation_approved.html.eex
new file mode 100644
index 000000000..b5b6fcb9f
--- /dev/null
+++ b/lib/mobilizon_web/templates/email/event_participation_approved.html.eex
@@ -0,0 +1,81 @@
+<!-- HERO -->
+    <tr>
+        <td bgcolor="#424056" align="center" style="padding: 0px 10px 0px 10px;">
+            <!--[if (gte mso 9)|(IE)]>
+            <table align="center" border="0" cellspacing="0" cellpadding="0" width="600">
+            <tr>
+            <td align="center" valign="top" width="600">
+            <![endif]-->
+            <table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width: 600px;" >
+                <tr>
+                    <td bgcolor="#ffffff" align="center" valign="top" style="padding: 40px 20px 20px 20px; border-radius: 4px 4px 0px 0px; color: #111111; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 48px; font-weight: 400; letter-spacing: 4px; line-height: 48px;">
+                      <h1 style="font-size: 48px; font-weight: 400; margin: 0;">
+                      <%= gettext "All good!" %>
+                      </h1>
+                    </td>
+                </tr>
+            </table>
+            <!--[if (gte mso 9)|(IE)]>
+            </td>
+            </tr>
+            </table>
+            <![endif]-->
+        </td>
+    </tr>
+    <!-- COPY BLOCK -->
+    <tr>
+        <td bgcolor="#f4f4f4" align="center" style="padding: 0px 10px 0px 10px;">
+            <!--[if (gte mso 9)|(IE)]>
+            <table align="center" border="0" cellspacing="0" cellpadding="0" width="600">
+            <tr>
+            <td align="center" valign="top" width="600">
+            <![endif]-->
+            <table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width: 600px;" >
+              <!-- COPY -->
+              <tr>
+                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 0px 30px; color: #666666; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 25px;" >
+                  <p style="margin: 0;">
+                    <%= gettext "You requested to participate in event %{title}", title: @event.title %>
+                  </p>
+                </td>
+              </tr>
+              <tr>
+                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 40px 30px; color: #777777; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 25px;" >
+                  <p style="margin: 0">
+                    <%= gettext "An organizer just approved your participation. You're now going to this event!" %>
+                  </p>
+                </td>
+              </tr>
+              <!-- BULLETPROOF BUTTON -->
+              <tr>
+                <td bgcolor="#ffffff" align="left">
+                  <table width="100%" border="0" cellspacing="0" cellpadding="0">
+                    <tr>
+                      <td bgcolor="#ffffff" align="center" style="padding: 20px 30px 60px 30px;">
+                        <table border="0" cellspacing="0" cellpadding="0">
+                          <tr>
+                              <td align="center" style="border-radius: 3px;" bgcolor="#424056"><a href="<%= page_url(MobilizonWeb.Endpoint, :event, @event.id) %>" target="_blank" style="font-size: 20px; font-family: Helvetica, Arial, sans-serif; color: #ffffff; text-decoration: none; color: #ffffff; text-decoration: none; padding: 15px 25px; border-radius: 2px; border: 1px solid #424056; display: inline-block;">
+                              <%= gettext "Go to event page" %>
+                              </a></td>
+                          </tr>
+                        </table>
+                      </td>
+                    </tr>
+                  </table>
+                </td>
+              </tr>
+              <tr>
+                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 40px 30px; color: #777777; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 14px; font-weight: 400; line-height: 20px;" >
+                  <p style="margin: 0">
+                    <%= gettext "If you need to cancel your participation, just access the event page through link above and click on the participation button." %>
+                  </p>
+                </td>
+              </tr>
+            </table>
+            <!--[if (gte mso 9)|(IE)]>
+            </td>
+            </tr>
+            </table>
+            <![endif]-->
+        </td>
+    </tr>
\ No newline at end of file
diff --git a/lib/mobilizon_web/templates/email/event_participation_approved.text.eex b/lib/mobilizon_web/templates/email/event_participation_approved.text.eex
new file mode 100644
index 000000000..7f1521b7e
--- /dev/null
+++ b/lib/mobilizon_web/templates/email/event_participation_approved.text.eex
@@ -0,0 +1,11 @@
+<%= gettext "Participation approved" %>
+
+==
+
+<%= gettext "You requested to participate in event %{title}.", title: @event.title %>
+
+<%= gettext "An organizer just approved your participation. You're now going to this event!" %>
+
+<%= page_url(MobilizonWeb.Endpoint, :event, @event.id) %>
+
+<%= gettext "If you need to cancel your participation, just access the previous link and click on the participation button." %>
diff --git a/lib/mobilizon_web/templates/email/event_participation_rejected.html.eex b/lib/mobilizon_web/templates/email/event_participation_rejected.html.eex
new file mode 100644
index 000000000..4439f32a2
--- /dev/null
+++ b/lib/mobilizon_web/templates/email/event_participation_rejected.html.eex
@@ -0,0 +1,56 @@
+<!-- HERO -->
+    <tr>
+        <td bgcolor="#424056" align="center" style="padding: 0px 10px 0px 10px;">
+            <!--[if (gte mso 9)|(IE)]>
+            <table align="center" border="0" cellspacing="0" cellpadding="0" width="600">
+            <tr>
+            <td align="center" valign="top" width="600">
+            <![endif]-->
+            <table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width: 600px;" >
+                <tr>
+                    <td bgcolor="#ffffff" align="center" valign="top" style="padding: 40px 20px 20px 20px; border-radius: 4px 4px 0px 0px; color: #111111; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 48px; font-weight: 400; letter-spacing: 4px; line-height: 48px;">
+                      <h1 style="font-size: 48px; font-weight: 400; margin: 0;">
+                      <%= gettext "Sorry!" %>
+                      </h1>
+                    </td>
+                </tr>
+            </table>
+            <!--[if (gte mso 9)|(IE)]>
+            </td>
+            </tr>
+            </table>
+            <![endif]-->
+        </td>
+    </tr>
+    <!-- COPY BLOCK -->
+    <tr>
+        <td bgcolor="#f4f4f4" align="center" style="padding: 0px 10px 0px 10px;">
+            <!--[if (gte mso 9)|(IE)]>
+            <table align="center" border="0" cellspacing="0" cellpadding="0" width="600">
+            <tr>
+            <td align="center" valign="top" width="600">
+            <![endif]-->
+            <table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width: 600px;" >
+              <!-- COPY -->
+              <tr>
+                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 0px 30px; color: #666666; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 25px;" >
+                  <p style="margin: 0;">
+                    <%= gettext "You requested to participate in event %{title}", title: @event.title %>
+                  </p>
+                </td>
+              </tr>
+              <tr>
+                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 40px 30px; color: #777777; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 25px;" >
+                  <p style="margin: 0">
+                    <%= gettext "Unfortunately, the organizers rejected your participation." %>
+                  </p>
+                </td>
+              </tr>
+            </table>
+            <!--[if (gte mso 9)|(IE)]>
+            </td>
+            </tr>
+            </table>
+            <![endif]-->
+        </td>
+    </tr>
\ No newline at end of file
diff --git a/lib/mobilizon_web/templates/email/event_participation_rejected.text.eex b/lib/mobilizon_web/templates/email/event_participation_rejected.text.eex
new file mode 100644
index 000000000..1cae5e298
--- /dev/null
+++ b/lib/mobilizon_web/templates/email/event_participation_rejected.text.eex
@@ -0,0 +1,7 @@
+<%= gettext "Participation rejected" %>
+
+==
+
+<%= gettext "You requested to participate in event %{title}.", title: @event.title %>
+
+<%= gettext "Unfortunately, the organizers rejected your participation." %>
diff --git a/lib/service/activity_pub/activity.ex b/lib/service/activity_pub/activity.ex
index d0be2e2c0..aebf3f091 100644
--- a/lib/service/activity_pub/activity.ex
+++ b/lib/service/activity_pub/activity.ex
@@ -8,7 +8,6 @@ defmodule Mobilizon.Service.ActivityPub.Activity do
           local: boolean,
           actor: Actor.t(),
           recipients: [String.t()]
-          # notifications: [???]
         }
 
   defstruct [
@@ -16,6 +15,5 @@ defmodule Mobilizon.Service.ActivityPub.Activity do
     :local,
     :actor,
     :recipients
-    # :notifications
   ]
 end
diff --git a/lib/service/activity_pub/activity_pub.ex b/lib/service/activity_pub/activity_pub.ex
index 79aac27a5..b98753c06 100644
--- a/lib/service/activity_pub/activity_pub.ex
+++ b/lib/service/activity_pub/activity_pub.ex
@@ -454,7 +454,8 @@ defmodule Mobilizon.Service.ActivityPub do
            {:only_organizer, Participant.is_not_only_organizer(event_id, actor_id)},
          {:ok, %Participant{} = participant} <-
            Mobilizon.Events.get_participant(event_id, actor_id),
-         {:ok, %Participant{} = participant} <- Mobilizon.Events.delete_participant(participant),
+         {:ok, %Participant{} = participant} <-
+           Events.delete_participant(participant),
          leave_data <- %{
            "type" => "Leave",
            # If it's an exclusion it should be something else
diff --git a/lib/service/activity_pub/transmogrifier.ex b/lib/service/activity_pub/transmogrifier.ex
index 71330ab25..d211121d1 100644
--- a/lib/service/activity_pub/transmogrifier.ex
+++ b/lib/service/activity_pub/transmogrifier.ex
@@ -14,6 +14,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   alias Mobilizon.Events.{Comment, Event, Participant}
   alias Mobilizon.Service.ActivityPub
   alias Mobilizon.Service.ActivityPub.{Converter, Convertible, Utils, Visibility}
+  alias MobilizonWeb.Email.Participation
 
   require Logger
 
@@ -543,10 +544,8 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
     end
   end
 
-  @doc """
-  Handle incoming `Accept` activities wrapping a `Join` activity on an event
-  """
-  def do_handle_incoming_accept_join(join_object, %Actor{} = actor_accepting) do
+  # Handle incoming `Accept` activities wrapping a `Join` activity on an event
+  defp do_handle_incoming_accept_join(join_object, %Actor{} = actor_accepting) do
     with {:join_event,
           {:ok,
            %Participant{role: :not_approved, actor: actor, id: join_id, event: event} =
@@ -566,7 +565,9 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
              "#{MobilizonWeb.Endpoint.url()}/accept/join/#{join_id}"
            ),
          {:ok, %Participant{role: :participant}} <-
-           Events.update_participant(participant, %{"role" => :participant}) do
+           Events.update_participant(participant, %{"role" => :participant}),
+         :ok <-
+           Participation.send_emails_to_local_user(participant) do
       {:ok, activity, participant}
     else
       {:join_event, {:ok, %Participant{role: :participant}}} ->
@@ -591,10 +592,8 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
     end
   end
 
-  @doc """
-  Handle incoming `Reject` activities wrapping a `Join` activity on an event
-  """
-  def do_handle_incoming_reject_join(join_object, %Actor{} = actor_accepting) do
+  # Handle incoming `Reject` activities wrapping a `Join` activity on an event
+  defp do_handle_incoming_reject_join(join_object, %Actor{} = actor_accepting) do
     with {:join_event,
           {:ok,
            %Participant{role: :not_approved, actor: actor, id: join_id, event: event} =
@@ -613,8 +612,9 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
              },
              "#{MobilizonWeb.Endpoint.url()}/reject/join/#{join_id}"
            ),
-         {:ok, %Participant{}} <-
-           Events.delete_participant(participant) do
+         {:ok, %Participant{role: :rejected} = participant} <-
+           Events.update_participant(participant, %{"role" => :rejected}),
+         :ok <- Participation.send_emails_to_local_user(participant) do
       {:ok, activity, participant}
     else
       {:join_event, {:ok, %Participant{role: :participant}}} ->
diff --git a/priv/gettext/cs/LC_MESSAGES/default.po b/priv/gettext/cs/LC_MESSAGES/default.po
index 5850d5126..a92c0d33d 100644
--- a/priv/gettext/cs/LC_MESSAGES/default.po
+++ b/priv/gettext/cs/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/cs/LC_MESSAGES/errors.po b/priv/gettext/cs/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..b0013f1d0
--- /dev/null
+++ b/priv/gettext/cs/LC_MESSAGES/errors.po
@@ -0,0 +1,93 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: cs\n"
+"Plural-Forms: nplurals=3\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/de/LC_MESSAGES/default.po b/priv/gettext/de/LC_MESSAGES/default.po
index 2446cfb60..3238ac825 100644
--- a/priv/gettext/de/LC_MESSAGES/default.po
+++ b/priv/gettext/de/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/de/LC_MESSAGES/errors.po b/priv/gettext/de/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..6af13fbcf
--- /dev/null
+++ b/priv/gettext/de/LC_MESSAGES/errors.po
@@ -0,0 +1,87 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: de\n"
+"Plural-Forms: nplurals=2\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/default.pot b/priv/gettext/default.pot
index 6f2a4f07e..2ffba5752 100644
--- a/priv/gettext/default.pot
+++ b/priv/gettext/default.pot
@@ -1,20 +1,17 @@
-#, elixir-format
-#: lib/mobilizon_web/templates/email/email.text.eex:3
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
 #, elixir-format
-#: lib/service/export/feed.ex:161
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
 #, elixir-format
 #: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
@@ -35,17 +32,18 @@ msgstr ""
 
 #, elixir-format
 #: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
 #, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
 #, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
@@ -55,7 +53,7 @@ msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
 #, elixir-format
-#: lib/mobilizon_web/email/user.ex:46
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
@@ -71,7 +69,6 @@ msgstr ""
 
 #, elixir-format
 #: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
@@ -82,6 +79,7 @@ msgstr ""
 
 #, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
@@ -124,3 +122,107 @@ msgstr ""
 #: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/en/LC_MESSAGES/default.po b/priv/gettext/en/LC_MESSAGES/default.po
index 55e1df476..e00504e8f 100644
--- a/priv/gettext/en/LC_MESSAGES/default.po
+++ b/priv/gettext/en/LC_MESSAGES/default.po
@@ -18,135 +18,241 @@ msgstr ""
 "X-Generator: Weblate 3.8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr "An email sent by Mobilizon on %{instance}."
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 "If you didn't request this, please ignore this email. Your password won't "
 "change until you access the link below and create a new one."
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr "Feed for %{email} on Mobilizon"
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr "%{instance} is a Mobilizon server."
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr "%{reporter_name} (%{reporter_username}) reported the following content."
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr "%{title} by %{creator}"
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr "Activate my account"
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr "Ask the community on Framacolibri"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr "Comments"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr "Event"
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr "If you didn't request this, please ignore this email."
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr "Instructions to reset your password on %{instance}"
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr "Learn more about Mobilizon."
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr "Nearly here!"
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr "Need some help? Something not working properly?"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr "New report on %{instance}"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr "Reason"
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr "Reset Password"
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 "Resetting your password is easy. Just press the button below and follow the "
 "instructions. We'll have you up and running in no time."
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr "Trouble signing in?"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr "View the report"
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 "You created an account on %{host} with this email address. You are one click "
 "away from activating it."
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr "You requested a new password for your account on %{server}."
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr "Instructions to confirm your Mobilizon account on %{instance}"
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr "New report on Mobilizon instance %{instance}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr "Activate my account"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr "Learn more about Mobilizon."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr "New report on %{instance}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+"Resetting your password is easy. Just press the button below and follow the "
+"instructions. We'll have you up and running in no time."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+"You created an account on %{host} with this email address. You are one click "
+"away from activating it."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr "You requested a new password for your account on %{server}."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/es/LC_MESSAGES/default.po b/priv/gettext/es/LC_MESSAGES/default.po
index 405c501eb..f3f0ee57b 100644
--- a/priv/gettext/es/LC_MESSAGES/default.po
+++ b/priv/gettext/es/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/es/LC_MESSAGES/errors.po b/priv/gettext/es/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..f30c3a2a6
--- /dev/null
+++ b/priv/gettext/es/LC_MESSAGES/errors.po
@@ -0,0 +1,87 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: es\n"
+"Plural-Forms: nplurals=2\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/fr_FR/LC_MESSAGES/default.po b/priv/gettext/fr_FR/LC_MESSAGES/default.po
index c7505ea4c..fc938e7f6 100644
--- a/priv/gettext/fr_FR/LC_MESSAGES/default.po
+++ b/priv/gettext/fr_FR/LC_MESSAGES/default.po
@@ -21,105 +21,233 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=n > 1;\n"
 "X-Generator: Weblate 3.8\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr "Un email envoyé par Mobilizon sur %{instance}."
-
+#, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr "Si vous n'avez pas demandé ceci, vous pouvez ignorer cet email. Votre mot de passe ne changera pas tant que vous n'accédez pas au lien ci-dessous et que vous en définissiez un nouveau."
 
-#: lib/service/export/feed.ex:161
+#, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr "Flux pour %{email} sur Mobilizon"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr "%{instance} est une instance Mobilizon."
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr "%{reporter_name} (%{reporter_username}) a signalé le contenu suivant."
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr "%{title} par %{creator}"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr "Activer mon compte"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 msgid "Ask the community on Framacolibri"
 msgstr "Demander à la communauté sur Framacolibri"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr "Commentaires"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr "Événement"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr "Si vous n'avez pas demandé ceci, merci d'ignorer cet email."
 
-#: lib/mobilizon_web/email/user.ex:46
+#, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr "Instructions pour réinitialiser votre mot de passe sur %{instance}"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr "En apprendre plus à propos de Mobilizon."
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr "Vous y êtes presque !"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 msgid "Need some help? Something not working properly?"
 msgstr "Besoin d'aide ? Quelque chose ne fonctionne pas correctement ?"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr "Nouveau signalement sur %{instance}"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr "Raison"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr "Réinitialiser mon mot de passe"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr "Réinitialiser votre mot de passe est facile. Cliquez simplement sur le bouton et suivez les inscriptions. Vous serez opérationnel en un rien de temps."
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr "Des problèmes à vous connecter ?"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr "Voir le signalement"
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr "Vous avez créé un compte sur %{host} avec cette adresse email. Vous êtes à un clic de l'activer."
 
+#, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 "Vous avez demandé un nouveau mot de passe pour votre compte sur %{server}."
 
+#, elixir-format
 #: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr "Instructions pour confirmer votre compte Mobilizon sur %{instance}"
 
+#, elixir-format
 #: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr "Nouveau signalement sur l'instance Mobilizon %{instance}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr "Activer mon compte"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr "En apprendre plus à propos de Mobilizon."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr "Nouveau signalement sur %{instance}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr "Réinitialiser votre mot de passe est facile. Cliquez simplement sur le bouton et suivez les inscriptions. Vous serez opérationnel en un rien de temps."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr "Vous avez créé un compte sur %{host} avec cette adresse email. Vous êtes à un clic de l'activer."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+"Vous avez demandé un nouveau mot de passe pour votre compte sur %{server}."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/it/LC_MESSAGES/default.po b/priv/gettext/it/LC_MESSAGES/default.po
index c87575e18..d96df4740 100644
--- a/priv/gettext/it/LC_MESSAGES/default.po
+++ b/priv/gettext/it/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/it/LC_MESSAGES/errors.po b/priv/gettext/it/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..b7ddca1ad
--- /dev/null
+++ b/priv/gettext/it/LC_MESSAGES/errors.po
@@ -0,0 +1,87 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: it\n"
+"Plural-Forms: nplurals=2\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/ja/LC_MESSAGES/default.po b/priv/gettext/ja/LC_MESSAGES/default.po
index 403f19e7e..dfe522921 100644
--- a/priv/gettext/ja/LC_MESSAGES/default.po
+++ b/priv/gettext/ja/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/ja/LC_MESSAGES/errors.po b/priv/gettext/ja/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..8295f51cb
--- /dev/null
+++ b/priv/gettext/ja/LC_MESSAGES/errors.po
@@ -0,0 +1,81 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: ja\n"
+"Plural-Forms: nplurals=1\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/nl/LC_MESSAGES/default.po b/priv/gettext/nl/LC_MESSAGES/default.po
index c0a397d7c..1e965739c 100644
--- a/priv/gettext/nl/LC_MESSAGES/default.po
+++ b/priv/gettext/nl/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/nl/LC_MESSAGES/errors.po b/priv/gettext/nl/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..b9d80a672
--- /dev/null
+++ b/priv/gettext/nl/LC_MESSAGES/errors.po
@@ -0,0 +1,87 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: nl\n"
+"Plural-Forms: nplurals=2\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/oc/LC_MESSAGES/default.po b/priv/gettext/oc/LC_MESSAGES/default.po
index e1f72d785..0c6be00bb 100644
--- a/priv/gettext/oc/LC_MESSAGES/default.po
+++ b/priv/gettext/oc/LC_MESSAGES/default.po
@@ -14,137 +14,243 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=n > 1;\n"
 "X-Generator: Weblate 3.8\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr "Un corrièl enviat per Mobilizon sus %{instance}."
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 "S’avètz pas demandat aquò, podètz ignorar aqueste corrièl. Vòstre senhal "
 "cambiarà pas mentre que cliquetz pas lo ligam çai-jos e ne definiscatz un "
 "novèl."
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr "Flux per %{email} sus Mobilizon"
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr "%{instance} es una instància Mobilizon."
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 "%{reporter_name} (%{reporter_username}) a senhalat lo contengut seguent."
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr "%{title} per %{creator}"
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr "Activar mon compte"
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr "Demandar a la comunautat sus Framacolibri"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr "Comentaris"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr "Eveniment"
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr "S’avètz pas demandat aquò, mercés d’ignorar aqueste messatge."
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr "Consignas per reïnincializar vòstre senhal sus %{instance}"
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr "Ne saber mai tocant Mobilizon."
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr "I sètz gaireben !"
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr "Besonh d’ajuda ? Quicòm truca ?"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr "Nòu senhalament sus %{instance}"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr "Rason"
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr "Reïnicializar mon senhal"
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 "Reïnicializar vòstre senhal es facil. Clicatz simplament lo boton e seguètz "
 "las consignas. Seretz prèst d’aquí un momenton."
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr "De dificultats a vos connectar ?"
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr "Veire lo senhalament"
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 "Avètz creat un compte sus %{host} amb aquesta adreça electronica. Sètz a un "
 "clic de l’activar."
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr "Avètz demandat un nòu senhal per vòstre compte sus %{server}."
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr "Consignas per confirmar vòstre compte Mobilizon sus %{instance}"
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr "Nòu senhalament sus l’instància Mobilizon %{instance}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr "Activar mon compte"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr "Ne saber mai tocant Mobilizon."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr "Nòu senhalament sus %{instance}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+"Reïnicializar vòstre senhal es facil. Clicatz simplament lo boton e seguètz "
+"las consignas. Seretz prèst d’aquí un momenton."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+"Avètz creat un compte sus %{host} amb aquesta adreça electronica. Sètz a un "
+"clic de l’activar."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr "Avètz demandat un nòu senhal per vòstre compte sus %{server}."
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/oc/LC_MESSAGES/errors.po b/priv/gettext/oc/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..912d902b3
--- /dev/null
+++ b/priv/gettext/oc/LC_MESSAGES/errors.po
@@ -0,0 +1,87 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: oc\n"
+"Plural-Forms: nplurals=2\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/pl/LC_MESSAGES/default.po b/priv/gettext/pl/LC_MESSAGES/default.po
index e1b790500..b199be43a 100644
--- a/priv/gettext/pl/LC_MESSAGES/default.po
+++ b/priv/gettext/pl/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/pl/LC_MESSAGES/errors.po b/priv/gettext/pl/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..31b49eccb
--- /dev/null
+++ b/priv/gettext/pl/LC_MESSAGES/errors.po
@@ -0,0 +1,93 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: pl\n"
+"Plural-Forms: nplurals=3\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/pt/LC_MESSAGES/default.po b/priv/gettext/pt/LC_MESSAGES/default.po
index d3a913acb..22c0fbdbe 100644
--- a/priv/gettext/pt/LC_MESSAGES/default.po
+++ b/priv/gettext/pt/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/pt/LC_MESSAGES/errors.po b/priv/gettext/pt/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..e1c02dac4
--- /dev/null
+++ b/priv/gettext/pt/LC_MESSAGES/errors.po
@@ -0,0 +1,87 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: pt\n"
+"Plural-Forms: nplurals=2\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/gettext/ru/LC_MESSAGES/default.po b/priv/gettext/ru/LC_MESSAGES/default.po
index 1bad6a142..ac823f0ca 100644
--- a/priv/gettext/ru/LC_MESSAGES/default.po
+++ b/priv/gettext/ru/LC_MESSAGES/default.po
@@ -12,129 +12,231 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Translate Toolkit 2.4.0\n"
 
-#: lib/mobilizon_web/templates/email/email.text.eex:3
 #, elixir-format
-msgid "An email sent by Mobilizon on %{instance}."
-msgstr ""
-
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
-#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:12
 msgid "If you didn't request this, please ignore this email. Your password won't change until you access the link below and create a new one."
 msgstr ""
 
-#: lib/service/export/feed.ex:161
 #, elixir-format
+#: lib/service/export/feed.ex:169
 msgid "Feed for %{email} on Mobilizon"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:122
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:122
+#: lib/mobilizon_web/templates/email/email.text.eex:6
 msgid "%{instance} is a Mobilizon server."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:38
 msgid "%{reporter_name} (%{reporter_username}) reported the following content."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:48
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:48
 msgid "%{title} by %{creator}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:58
 msgid "Activate my account"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:91
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:94
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:91
 msgid "Ask the community on Framacolibri"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:62
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:62
+#: lib/mobilizon_web/templates/email/report.text.eex:11
 msgid "Comments"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:46
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:46
+#: lib/mobilizon_web/templates/email/report.text.eex:6
 msgid "Event"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:45
 msgid "If you didn't request this, please ignore this email."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:46
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:45
 msgid "Instructions to reset your password on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:123
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:123
 msgid "Learn more about Mobilizon."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:13
 msgid "Nearly here!"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/email.html.eex:88
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:91
 #, elixir-format
+#: lib/mobilizon_web/templates/email/email.html.eex:88
 msgid "Need some help? Something not working properly?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:13
 msgid "New report on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:80
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:80
+#: lib/mobilizon_web/templates/email/report.text.eex:18
 msgid "Reason"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:61
 msgid "Reset Password"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:41
 msgid "Resetting your password is easy. Just press the button below and follow the instructions. We'll have you up and running in no time."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:13
 msgid "Trouble signing in?"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/report.html.eex:100
 #, elixir-format
+#: lib/mobilizon_web/templates/email/report.html.eex:100
 msgid "View the report"
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.html.eex:38
 msgid "You created an account on %{host} with this email address. You are one click away from activating it."
 msgstr ""
 
-#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 #, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
 msgstr ""
 
-#: lib/mobilizon_web/email/user.ex:25
 #, elixir-format
+#: lib/mobilizon_web/email/user.ex:25
 msgid "Instructions to confirm your Mobilizon account on %{instance}"
 msgstr ""
 
-#: lib/mobilizon_web/email/admin.ex:23
 #, elixir-format
+#: lib/mobilizon_web/email/admin.ex:23
 msgid "New report on Mobilizon instance %{instance}"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:1
+msgid "Activate your account"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
+msgid "All good!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
+msgid "An organizer just approved your participation. You're now going to this event!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+msgid "Go to event page"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
+msgid "If you need to cancel your participation, just access the previous link and click on the participation button."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/email.text.eex:6
+msgid "Learn more about Mobilizon:"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/report.text.eex:1
+msgid "New report from %{reporter} on %{instance}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
+msgid "Participation approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
+msgid "Participation rejected"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:1
+msgid "Password reset"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:7
+msgid "Resetting your password is easy. Just click the link below and follow the instructions. We'll have you up and running in no time."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
+msgid "Sorry!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
+msgid "Unfortunately, the organizers rejected your participation."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
+msgid "You created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/password_reset.text.eex:5
+msgid "You requested a new password for your account on %{host}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
+msgid "You requested to participate in event %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
+msgid "You requested to participate in event %{title}."
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:73
+msgid "Your participation to event %{title} has been approved"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/participation.ex:52
+msgid "Your participation to event %{title} has been rejected"
+msgstr ""
diff --git a/priv/gettext/ru/LC_MESSAGES/errors.po b/priv/gettext/ru/LC_MESSAGES/errors.po
new file mode 100644
index 000000000..0b7138931
--- /dev/null
+++ b/priv/gettext/ru/LC_MESSAGES/errors.po
@@ -0,0 +1,93 @@
+## `msgid`s in this file come from POT (.pot) files.
+##
+## Do not add, change, or remove `msgid`s manually here as
+## they're tied to the ones in the corresponding POT file
+## (with the same domain).
+##
+## Use `mix gettext.extract --merge` or `mix gettext.merge`
+## to merge POT files into PO files.
+msgid ""
+msgstr ""
+"Language: ru\n"
+"Plural-Forms: nplurals=3\n"
+
+msgid "can't be blank"
+msgstr ""
+
+msgid "has already been taken"
+msgstr ""
+
+msgid "is invalid"
+msgstr ""
+
+msgid "must be accepted"
+msgstr ""
+
+msgid "has invalid format"
+msgstr ""
+
+msgid "has an invalid entry"
+msgstr ""
+
+msgid "is reserved"
+msgstr ""
+
+msgid "does not match confirmation"
+msgstr ""
+
+msgid "is still associated with this entry"
+msgstr ""
+
+msgid "are still associated with this entry"
+msgstr ""
+
+msgid "should be %{count} character(s)"
+msgid_plural "should be %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have %{count} item(s)"
+msgid_plural "should have %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should be at least %{count} character(s)"
+msgid_plural "should be at least %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have at least %{count} item(s)"
+msgid_plural "should have at least %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should be at most %{count} character(s)"
+msgid_plural "should be at most %{count} character(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "should have at most %{count} item(s)"
+msgid_plural "should have at most %{count} item(s)"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "must be less than %{number}"
+msgstr ""
+
+msgid "must be greater than %{number}"
+msgstr ""
+
+msgid "must be less than or equal to %{number}"
+msgstr ""
+
+msgid "must be greater than or equal to %{number}"
+msgstr ""
+
+msgid "must be equal to %{number}"
+msgstr ""
diff --git a/priv/repo/migrations/20190929170817_rename_postgres_types.exs b/priv/repo/migrations/20190929170817_rename_postgres_types.exs
new file mode 100644
index 000000000..b57852ff4
--- /dev/null
+++ b/priv/repo/migrations/20190929170817_rename_postgres_types.exs
@@ -0,0 +1,52 @@
+defmodule Mobilizon.Storage.Repo.Migrations.RenamePostgresTypes do
+  use Ecto.Migration
+  alias Mobilizon.Actors.{ActorVisibility, MemberRole}
+
+  alias Mobilizon.Events.{
+    CommentVisibility,
+    JoinOptions,
+    EventStatus,
+    EventVisibility,
+    ParticipantRole
+  }
+
+  alias Mobilizon.Users.UserRole
+
+  @types %{
+    "actor_visibility_type" => ActorVisibility.type(),
+    "comment_visibility_type" => CommentVisibility.type(),
+    "event_join_options_type" => JoinOptions.type(),
+    "event_status_type" => EventStatus.type(),
+    "event_visibility_type" => EventVisibility.type(),
+    "member_role_type" => MemberRole.type(),
+    "participant_role_type" => ParticipantRole.type(),
+    "user_role_type" => UserRole.type()
+  }
+
+  def up do
+    Enum.each(@types, fn {k, v} -> rename_type(k, v) end)
+  end
+
+  def down do
+    Enum.each(@types, fn {k, v} -> rename_type(v, k) end)
+  end
+
+  defp rename_type(old_type_name, new_type_name) do
+    with %Postgrex.Result{columns: ["exists"], rows: [[true]]} <-
+           Ecto.Adapters.SQL.query!(
+             Mobilizon.Storage.Repo,
+             "select exists (select 1 from pg_type where typname = '#{
+               old_type_name |> remove_schema
+             }' and typnamespace = (select oid from pg_namespace where nspname = 'public'))"
+           ) do
+      Ecto.Migration.execute(
+        "ALTER TYPE #{old_type_name |> remove_schema} RENAME TO #{new_type_name |> remove_schema}"
+      )
+    end
+  end
+
+  # We don't want the schema: public.actor_visibility => actor_visibility
+  def remove_schema(schema) when is_atom(schema), do: remove_schema(to_string(schema))
+  def remove_schema("public." <> schema), do: schema
+  def remove_schema(schema), do: schema
+end
diff --git a/priv/repo/migrations/20190929175229_add_rejected_to_participant_role.exs b/priv/repo/migrations/20190929175229_add_rejected_to_participant_role.exs
new file mode 100644
index 000000000..230d2f34a
--- /dev/null
+++ b/priv/repo/migrations/20190929175229_add_rejected_to_participant_role.exs
@@ -0,0 +1,21 @@
+defmodule Mobilizon.Storage.Repo.Migrations.AddRejectedToParticipantRole do
+  use Ecto.Migration
+  alias Mobilizon.Storage.Repo
+  alias Mobilizon.Events.Participant
+  alias Mobilizon.Events.ParticipantRole
+  import Ecto.Query
+
+  @disable_ddl_transaction true
+
+  def up do
+    Ecto.Migration.execute(
+      "ALTER TYPE #{ParticipantRole.type()} ADD VALUE IF NOT EXISTS 'rejected'"
+    )
+  end
+
+  def down do
+    Participant
+    |> where(role: "rejected")
+    |> Repo.delete_all()
+  end
+end
diff --git a/schema.graphql b/schema.graphql
index 716dc6c27..6ac98af50 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -1,5 +1,5 @@
 # source: http://localhost:4000/api
-# timestamp: Wed Sep 25 2019 16:41:05 GMT+0200 (GMT+02:00)
+# timestamp: Mon Sep 30 2019 09:56:05 GMT+0200 (GMT+02:00)
 
 schema {
   query: RootQueryType
@@ -671,12 +671,16 @@ enum ParticipantRoleEnum {
   MODERATOR
   NOT_APPROVED
   PARTICIPANT
+  REJECTED
 }
 
 type ParticipantStats {
   """The number of approved participants"""
   approved: Int
 
+  """The number of rejected participants"""
+  rejected: Int
+
   """The number of unapproved participants"""
   unapproved: Int
 }
@@ -879,9 +883,6 @@ enum ReportStatus {
 }
 
 type RootMutationType {
-  """Accept a participation"""
-  acceptParticipation(id: ID!, moderatorActorId: ID!): Participant
-
   """Change default actor for user"""
   changeDefaultActor(preferredUsername: String!): User
 
@@ -1028,9 +1029,6 @@ type RootMutationType {
     summary: String = ""
   ): Person
 
-  """Reject a participation"""
-  rejectParticipation(id: ID!, moderatorActorId: ID!): DeletedParticipant
-
   """Resend registration confirmation token"""
   resendConfirmationEmail(email: String!, locale: String = "en"): String
 
@@ -1065,6 +1063,9 @@ type RootMutationType {
     visibility: EventVisibility = PUBLIC
   ): Event
 
+  """Accept a participation"""
+  updateParticipation(id: ID!, moderatorActorId: ID!, role: ParticipantRoleEnum!): Participant
+
   """Update an identity"""
   updatePerson(
     """
diff --git a/test/mobilizon_web/resolvers/participant_resolver_test.exs b/test/mobilizon_web/resolvers/participant_resolver_test.exs
index d6f6c160f..c1d6d1d6d 100644
--- a/test/mobilizon_web/resolvers/participant_resolver_test.exs
+++ b/test/mobilizon_web/resolvers/participant_resolver_test.exs
@@ -1,7 +1,8 @@
 defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
   use MobilizonWeb.ConnCase
+  use Bamboo.Test
   alias Mobilizon.Events
-  alias MobilizonWeb.AbsintheHelpers
+  alias MobilizonWeb.{AbsintheHelpers, Email}
   import Mobilizon.Factory
 
   @event %{
@@ -491,7 +492,8 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
           uuid,
           participantStats {
             approved,
-            unapproved
+            unapproved,
+            rejected
           }
         }
       }
@@ -504,6 +506,7 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
       assert json_response(res, 200)["data"]["event"]["uuid"] == to_string(event.uuid)
       assert json_response(res, 200)["data"]["event"]["participantStats"]["approved"] == 1
       assert json_response(res, 200)["data"]["event"]["participantStats"]["unapproved"] == 0
+      assert json_response(res, 200)["data"]["event"]["participantStats"]["rejected"] == 0
 
       moderator = insert(:actor)
 
@@ -521,13 +524,20 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         actor_id: unapproved.id
       })
 
+      Events.create_participant(%{
+        role: :rejected,
+        event_id: event.id,
+        actor_id: unapproved.id
+      })
+
       query = """
       {
         event(uuid: "#{event.uuid}") {
           uuid,
           participantStats {
             approved,
-            unapproved
+            unapproved,
+            rejected
           }
         }
       }
@@ -540,11 +550,12 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
       assert json_response(res, 200)["data"]["event"]["uuid"] == to_string(event.uuid)
       assert json_response(res, 200)["data"]["event"]["participantStats"]["approved"] == 2
       assert json_response(res, 200)["data"]["event"]["participantStats"]["unapproved"] == 1
+      assert json_response(res, 200)["data"]["event"]["participantStats"]["rejected"] == 1
     end
   end
 
-  describe "Participant approval" do
-    test "accept_participation/3", %{conn: conn, actor: actor, user: user} do
+  describe "Participation role status update" do
+    test "update_participation/3", %{conn: conn, actor: actor, user: user} do
       user_creator = insert(:user)
       actor_creator = insert(:actor, user: user_creator)
       event = insert(:event, join_options: :restricted, organizer_actor: actor_creator)
@@ -581,8 +592,9 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
 
       mutation = """
           mutation {
-            acceptParticipation(
+            updateParticipation(
               id: "#{participation_id}",
+              role: PARTICIPANT,
               moderator_actor_id: #{actor_creator.id}
             ) {
                 id,
@@ -603,21 +615,25 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         |> post("/api", AbsintheHelpers.mutation_skeleton(mutation))
 
       assert json_response(res, 200)["errors"] == nil
-      assert json_response(res, 200)["data"]["acceptParticipation"]["role"] == "PARTICIPANT"
+      assert json_response(res, 200)["data"]["updateParticipation"]["role"] == "PARTICIPANT"
 
-      assert json_response(res, 200)["data"]["acceptParticipation"]["event"]["id"] ==
+      assert json_response(res, 200)["data"]["updateParticipation"]["event"]["id"] ==
                to_string(event.id)
 
-      assert json_response(res, 200)["data"]["acceptParticipation"]["actor"]["id"] ==
+      assert json_response(res, 200)["data"]["updateParticipation"]["actor"]["id"] ==
                to_string(actor.id)
 
+      participation = Mobilizon.Events.get_participant(participation_id)
+
+      assert_delivered_email(Email.Participation.participation_updated(user, participation))
+
       res =
         conn
         |> auth_conn(user_creator)
         |> post("/api", AbsintheHelpers.mutation_skeleton(mutation))
 
-      assert hd(json_response(res, 200)["errors"])["message"] =~
-               " can't be approved since it's already a participant (with role participant)"
+      assert hd(json_response(res, 200)["errors"])["message"] ==
+               "Participant already has role participant"
     end
 
     test "accept_participation/3 with bad parameters", %{conn: conn, actor: actor, user: user} do
@@ -657,8 +673,9 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
 
       mutation = """
           mutation {
-            acceptParticipation(
+            updateParticipation (
               id: "#{participation_id}",
+              role: PARTICIPANT,
               moderator_actor_id: #{actor_creator.id}
             ) {
                 id,
@@ -721,11 +738,13 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
 
       mutation = """
           mutation {
-            rejectParticipation(
+            updateParticipation(
               id: "#{participation_id}",
+              role: REJECTED,
               moderator_actor_id: #{actor_creator.id}
             ) {
                 id,
+                role,
                 actor {
                   id
                 },
@@ -742,20 +761,24 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         |> post("/api", AbsintheHelpers.mutation_skeleton(mutation))
 
       assert json_response(res, 200)["errors"] == nil
-      assert json_response(res, 200)["data"]["rejectParticipation"]["id"] == participation_id
+      assert json_response(res, 200)["data"]["updateParticipation"]["id"] == participation_id
 
-      assert json_response(res, 200)["data"]["rejectParticipation"]["event"]["id"] ==
+      assert json_response(res, 200)["data"]["updateParticipation"]["event"]["id"] ==
                to_string(event.id)
 
-      assert json_response(res, 200)["data"]["rejectParticipation"]["actor"]["id"] ==
+      assert json_response(res, 200)["data"]["updateParticipation"]["actor"]["id"] ==
                to_string(actor.id)
 
+      participation = Mobilizon.Events.get_participant(participation_id)
+      assert_delivered_email(Email.Participation.participation_updated(user, participation))
+
       res =
         conn
         |> auth_conn(user_creator)
         |> post("/api", AbsintheHelpers.mutation_skeleton(mutation))
 
-      assert hd(json_response(res, 200)["errors"])["message"] == "Participant not found"
+      assert hd(json_response(res, 200)["errors"])["message"] ==
+               "Participant already has role rejected"
     end
 
     test "reject_participation/3 with bad parameters", %{conn: conn, actor: actor, user: user} do
@@ -795,8 +818,9 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
 
       mutation = """
           mutation {
-            rejectParticipation(
+            updateParticipation (
               id: "#{participation_id}",
+              role: REJECTED,
               moderator_actor_id: #{actor_creator.id}
             ) {
                 id,