diff --git a/adminstuds.php b/adminstuds.php
index 5d7e2d6..bb450be 100644
--- a/adminstuds.php
+++ b/adminstuds.php
@@ -16,15 +16,22 @@
  * Auteurs de STUdS (projet initial) : Guilhem BORGHESI (borghesi@unistra.fr) et Raphaël DROZ
  * Auteurs de Framadate/OpenSondage : Framasoft (https://github.com/framasoft)
  */
-use Framadate\Services\PollService;
+use Framadate\Editable;
+use Framadate\Message;
 use Framadate\Services\AdminPollService;
 use Framadate\Services\InputService;
 use Framadate\Services\LogService;
-use Framadate\Message;
-use Framadate\Editable;
+use Framadate\Services\MailService;
+use Framadate\Services\PollService;
+use Framadate\Utils;
 
 include_once __DIR__ . '/app/inc/init.php';
 
+/* Constants */
+/* --------- */
+const UPDATE_POLL = 1;
+const DELETED_POLL = 2;
+
 /* Variables */
 /* --------- */
 
@@ -41,6 +48,41 @@ $logService = new LogService();
 $pollService = new PollService($connect, $logService);
 $adminPollService = new AdminPollService($connect, $pollService, $logService);
 $inputService = new InputService();
+$mailService = new MailService($config['use_smtp']);
+
+/* Functions */
+/*-----------*/
+
+/**
+ * Send a notification to the poll admin to notify him about an update.
+ *
+ * @param stdClass $poll The poll
+ * @param MailService $mailService The mail service
+ * @param int $type cf: Constants on the top of this page
+ */
+function sendUpdateNotification($poll, $mailService, $type) {
+    if (!isset($_SESSION['mail_sent'])) {
+        $_SESSION['mail_sent'] = [];
+    }
+
+    if ($poll->receiveNewVotes) {
+
+        $subject = '[' . NOMAPPLICATION . '] ' . __('Mail', 'Notification of poll') . ' : ' . $poll->title;
+
+        $message = '';
+        switch ($type) {
+            case UPDATE_POLL:
+                $message = __f('Mail', 'Someone just change your poll available at the following link %s.', Utils::getUrlSondage($poll->admin_id, true)) . "\n\n";
+                break;
+            case DELETED_POLL:
+                $message = __f('Mail', 'Someone just delete your poll %s.', Utils::htmlEscape($poll->title)) . "\n\n";
+                break;
+        }
+
+        $messageTypeKey = $type . '-' . $poll->id;
+        $mailService->send($poll->admin_mail, $subject, $message, $messageTypeKey);
+    }
+}
 
 /* PAGE */
 /* ---- */
@@ -133,6 +175,7 @@ if (isset($_POST['update_poll_info'])) {
     // Update poll in database
     if ($updated && $adminPollService->updatePoll($poll)) {
         $message = new Message('success', __('adminstuds', 'Poll saved'));
+        sendUpdateNotification($poll, $mailService, UPDATE_POLL);
     } else {
         $message = new Message('danger', __('Error', 'Failed to save poll'));
         $poll = $pollService->findById($poll_id);
@@ -297,6 +340,7 @@ if (isset($_POST['delete_poll'])) {
 if (isset($_POST['confirm_delete_poll'])) {
     if ($adminPollService->deleteEntirePoll($poll_id)) {
         $message = new Message('success', __('adminstuds', 'Poll fully deleted'));
+        sendUpdateNotification($poll, $mailService, DELETED_POLL);
     } else {
         $message = new Message('danger', __('Error', 'Failed to delete the poll'));
     }
diff --git a/locale/de.json b/locale/de.json
index c033119..597e553 100644
--- a/locale/de.json
+++ b/locale/de.json
@@ -189,7 +189,6 @@
         "Remove the comments": "Entfernen Sie die Kommentare",
         "Comment deleted": "Kommentar gelöscht",
         "All comments deleted": "Alle Kommentare gelöscht",
-        "The poll has been deleted": "Die Umfrage wurde gelöscht",
         "Keep votes": "Halten Stimmen",
         "Keep comments": "Halten Sie Kommentare",
         "Keep this poll": "Halten Sie diese Umfrage"
@@ -289,9 +288,12 @@
     },
     "Mail": {
         "Poll's participation": "Beteiligung an der Umfrage",
+        "Notification of poll": "Mitteilung bezüglich der Umfrage",
         "filled a vote.\nYou can find your poll at the link": "füllte eine Stimme.<br/>Sie können Ihre Umfrage unter dem Link zu finden",
         "updated a vote.\nYou can find your poll at the link": "eine Abstimmung regelmäßig aktualisiert.<br/>Sie können Ihre Umfrage unter dem Link zu finden",
         "wrote a comment.\nYou can find your poll at the link": "hat einen Kommentar.<br/>Sie können Ihre Umfrage unter dem Link zu finden",
+        "Someone just change your poll available at the following link %s.": "Jemand ändern Sie einfach Ihre Umfrage finden Sie unter dem folgenden Link <a href=\"%1$s\">%1$s</a>.",
+        "Someone just delete your poll %s.": "Jemand hat gerade Ihre Umfrage löschen \"%s\".",
         "Thanks for your trust.": "Danke für Ihr Vertrauen.",
         "FOOTER": "",
         "[ADMINISTRATOR] New settings for your poll": "[ADMINISTRATOR] Neue Einstellungen für Ihre Umfrage ",
diff --git a/locale/en.json b/locale/en.json
index d63249c..58441e5 100644
--- a/locale/en.json
+++ b/locale/en.json
@@ -189,7 +189,6 @@
     "All comments deleted": "All comments deleted",
     "Keep the comments": "Keep the comments",
     "Remove the comments": "Remove the comments",
-    "The poll has been deleted": "The poll has been deleted",
     "Keep votes": "Keep votes",
     "Keep comments": "Keep comments",
     "Keep this poll": "Keep this poll"
@@ -289,9 +288,12 @@
   },
   "Mail" : {
     "Poll's participation": "Poll's participation",
+    "Notification of poll": "Notification of poll",
     "filled a vote.\nYou can find your poll at the link": "filled a vote.<br/>You can find your poll at the link",
     "updated a vote.\nYou can find your poll at the link": "updated a vote.<br/>You can find your poll at the link",
     "wrote a comment.\nYou can find your poll at the link": "wrote a comment.<br/>You can find your poll at the link",
+    "Someone just change your poll available at the following link %s.": "Someone just change your poll available at the following link <a href=\"%1$s\">%1$s</a>.",
+    "Someone just delete your poll %s.": "Someone just delete your poll \"%s\".",
     "Thanks for your trust.": "Thanks for your trust.",
     "FOOTER": "",
     "[ADMINISTRATOR] New settings for your poll": "[ADMINISTRATOR] New settings for your poll",
diff --git a/locale/es.json b/locale/es.json
index 032e51f..ed52eca 100644
--- a/locale/es.json
+++ b/locale/es.json
@@ -189,7 +189,6 @@
         "Remove the comments": "ES_Supprimer les commentaires",
         "Comment deleted": "ES_Commentaire supprimé",
         "All comments deleted": "ES_Tous les commentaires ont été supprimés",
-        "The poll has been deleted": "ES_Le sondage a été supprimé",
         "Keep votes": "ES_Garder les votes",
         "Keep comments": "ES_Garder les commentaires",
         "Keep this poll": "Dejar este encuesta!"
@@ -288,10 +287,13 @@
         "Polls sent": "ES_Sondages envoyés"
     },
     "Mail": {
-        "Poll's participation": "ES_Participation au sondage",
+        "Poll's participation": "Participación Encuesta",
+        "Notification of poll": "Notificación de la encuesta",
         "filled a vote.\nYou can find your poll at the link": "ES_vient de voter.<br/>Vous pouvez retrouver votre sondage avec le lien suivant",
         "updated a vote.\nYou can find your poll at the link": "ES_vient de mettre à jour un vote.<br/>Vous pouvez retrouver votre sondage avec le lien suivant",
         "wrote a comment.\nYou can find your poll at the link": "ES_vient de rédiger un commentaire.<br/>Vous pouvez retrouver votre sondage avec le lien suivant",
+        "Someone just change your poll available at the following link %s.": "Alguien acaba de cambiar su encuesta disponible en el siguiente enlace <a href=\"%1$s\">%1$s</a>.",
+        "Someone just delete your poll %s.": "Alguien acaba de borrar tu encuesta \"%s\".",
         "Thanks for your trust.": "ES_Merci de votre confiance.",
         "FOOTER": "",
         "[ADMINISTRATOR] New settings for your poll": "ES_[ADMINISTRATEUR] Changement de configuration du sondage",
@@ -306,8 +308,8 @@
     "Error": {
         "Error!": "Error!",
         "Enter a title": "Introducza un título",
-        "Something is going wrong...": "ES_Quelque chose ne va pas...",
-        "Something is wrong with the format": "Something is wrong with the format",
+        "Something is going wrong...": "Algo va mal...",
+        "Something is wrong with the format": "Algo está mal con el formato",
         "Enter an email address": "Introduzca una dirección electrónica",
         "The address is not correct! You should enter a valid email address (like r.stallman@outlock.com) in order to receive the link to your poll.": "ES_L'adresse saisie n'est pas correcte ! Il faut une adresse électronique valide (par exemple r.stallman@outlock.com) pour recevoir le lien vers le sondage.",
         "No polls found": "ES_Aucun sondage n'a été trouvé",
diff --git a/locale/fr.json b/locale/fr.json
index 368772c..32026b8 100644
--- a/locale/fr.json
+++ b/locale/fr.json
@@ -189,7 +189,6 @@
     "Remove the comments": "Supprimer les commentaires",
     "Comment deleted": "Commentaire supprimé",
     "All comments deleted": "Tous les commentaires ont été supprimés",
-    "The poll has been deleted": "Le sondage a été supprimé",
     "Keep votes": "Garder les votes",
     "Keep comments": "Garder les commentaires",
     "Keep this poll": "Garder ce sondage"
@@ -289,9 +288,12 @@
   },
   "Mail": {
     "Poll's participation": "Participation au sondage",
+    "Notification of poll": "Notification d'un sondage",
     "filled a vote.\nYou can find your poll at the link": "vient de voter.<br/>Vous pouvez retrouver votre sondage avec le lien suivant",
     "updated a vote.\nYou can find your poll at the link": "vient de mettre à jour un vote.<br/>Vous pouvez retrouver votre sondage avec le lien suivant",
     "wrote a comment.\nYou can find your poll at the link": "vient de rédiger un commentaire.<br/>Vous pouvez retrouver votre sondage avec le lien suivant",
+    "Someone just change your poll available at the following link %s.": "Quelqu'un vient de modifier votre sondage accessible au lien suivant <a href=\"%1$s\">%1$s</a>.",
+    "Someone just delete your poll %s.": "Quelqu'un vient de supprimer votre sondage \"%s\".",
     "Thanks for your trust.": "Merci de votre confiance.",
     "FOOTER": "« La route est longue, mais la voie est libre… »<br/>Framasoft ne vit que par vos dons (déductibles des impôts).<br/>Merci d'avance pour votre soutien http://soutenir.framasoft.org.",
     "[ADMINISTRATOR] New settings for your poll": "[ADMINISTRATEUR] Changement de configuration du sondage",
diff --git a/locale/it.json b/locale/it.json
index fb12303..0d90324 100644
--- a/locale/it.json
+++ b/locale/it.json
@@ -189,7 +189,6 @@
     "Remove the comments": "Eliminare i commenti",
     "Comment deleted": "Commento rimosso",
     "All comments deleted": "Tutti i commenti sono stati cancellati",
-    "The poll has been deleted": "Il sondaggio è stato eliminato",
     "Keep votes": "Tenere voti",
     "Keep comments": "Tenere commenti",
     "Keep this poll": "Mantengo questo sondaggio !"
@@ -289,9 +288,12 @@
   },
   "Mail": {
     "Poll's participation": "Partecipazione al sondaggio",
+    "Notification of poll": "Notifica di sondaggio",
     "filled a vote.\nYou can find your poll at the link": "IT_vient de voter.\nVous pouvez retrouver votre sondage avec le lien suivant",
     "updated a vote.\nYou can find your poll at the link": "IT_vient de mettre à jour un vote.\nVous pouvez retrouver votre sondage avec le lien suivant",
     "wrote a comment.\nYou can find your poll at the link": "IT_vient de rédiger un commentaire.\nVous pouvez retrouver votre sondage avec le lien suivant",
+    "Someone just change your poll available at the following link %s.": "Qualcuno basta cambiare il vostro sondaggio disponibile al seguente link <a href=\"%1$s\">%1$s</a>.",
+    "Someone just delete your poll %s.": "Qualcuno ha appena cancellare il tuo sondaggio \"%s\".",
     "Thanks for your trust.": "Grazie per la vostra fiducia.",
     "FOOTER": "IT_« La route est longue, mais la voie est libre… »\nFramasoft ne vit que par vos dons (déductibles des impôts).\nMerci d'avance pour votre soutien http://soutenir.framasoft.org.",
     "[ADMINISTRATOR] New settings for your poll": "[AMMINISTRATORE] Modifica di configurazione del sondaggio",
diff --git a/tpl/poll_deleted.tpl b/tpl/poll_deleted.tpl
index 79174ec..0c7bd62 100644
--- a/tpl/poll_deleted.tpl
+++ b/tpl/poll_deleted.tpl
@@ -2,7 +2,7 @@
 
 {block name=main}
     <div class="alert alert-success text-center">
-        <h2>{__('adminstuds', 'The poll has been deleted')}</h2>
+        <h2>{$message}</h2>
         <p>{__('Generic', 'Back to the homepage of')} <a href="{$SERVER_URL|html}">{$APPLICATION_NAME|html}</a></p>
     </div>
 {/block}
\ No newline at end of file