diff --git a/action/add_comment.php b/action/add_comment.php
index df75385..d4247eb 100644
--- a/action/add_comment.php
+++ b/action/add_comment.php
@@ -42,7 +42,7 @@ $is_admin = false;
 $logService = new LogService();
 $pollService = new PollService($connect, $logService);
 $inputService = new InputService();
-$mailService = new MailService($config['use_smtp'], $config['smtp_options']);
+$mailService = new MailService($config['use_smtp'], $config['smtp_options'], $config['use_sendmail']);
 $notificationService = new NotificationService($mailService);
 $securityService = new SecurityService();
 
diff --git a/action/send_edit_link_by_email_action.php b/action/send_edit_link_by_email_action.php
index a2ac204..1097e7a 100644
--- a/action/send_edit_link_by_email_action.php
+++ b/action/send_edit_link_by_email_action.php
@@ -28,7 +28,7 @@ include_once __DIR__ . '/../app/inc/init.php';
 
 $logService = new LogService();
 $sessionService = new SessionService();
-$mailService = new MailService($config['use_smtp'], $config['smtp_options']);
+$mailService = new MailService($config['use_smtp'], $config['smtp_options'], $config['use_sendmail']);
 $pollService = new PollService($connect, $logService);
 
 $result = false;
diff --git a/adminstuds.php b/adminstuds.php
index f4e472e..407e23d 100644
--- a/adminstuds.php
+++ b/adminstuds.php
@@ -50,7 +50,7 @@ $logService = new LogService();
 $pollService = new PollService($connect, $logService);
 $adminPollService = new AdminPollService($connect, $pollService, $logService);
 $inputService = new InputService();
-$mailService = new MailService($config['use_smtp'], $config['smtp_options']);
+$mailService = new MailService($config['use_smtp'], $config['smtp_options'], $config['use_sendmail']);
 $notificationService = new NotificationService($mailService);
 $sessionService = new SessionService();
 
diff --git a/app/classes/Framadate/Services/MailService.php b/app/classes/Framadate/Services/MailService.php
index 9c32f3f..fdc58d9 100644
--- a/app/classes/Framadate/Services/MailService.php
+++ b/app/classes/Framadate/Services/MailService.php
@@ -8,18 +8,39 @@ class MailService {
 
     const MAILSERVICE_KEY = 'mailservice';
 
+    /**
+     * @var bool
+     */
     private $smtp_allowed;
 
+    /**
+     * @var array
+     */
     private $smtp_options = [];
 
+    /**
+     * @var bool
+     */
+    private $use_sendmail;
+
+    /**
+     * @var LogService
+     */
     private $logService;
 
-    function __construct($smtp_allowed, $smtp_options = []) {
+    /**
+     * MailService constructor.
+     * @param $smtp_allowed
+     * @param array $smtp_options
+     * @param bool $use_sendmail
+     */
+    public function __construct($smtp_allowed, $smtp_options = [], $use_sendmail = false) {
         $this->logService = new LogService();
         $this->smtp_allowed = $smtp_allowed;
         if (true === is_array($smtp_options)) {
             $this->smtp_options = $smtp_options;
         }
+        $this->use_sendmail = $use_sendmail;
     }
 
     public function isValidEmail($email) {
@@ -82,7 +103,11 @@ class MailService {
      * @param PHPMailer $mailer
      */
     private function configureMailer(PHPMailer $mailer) {
-        $mailer->isSMTP();
+        if ($this->use_sendmail) {
+            $mailer->isSendmail();
+        } else {
+            $mailer->isSMTP();
+        }
 
         $available_options = [
             'host' => 'Host',
diff --git a/create_classic_poll.php b/create_classic_poll.php
index e72a8af..bdff627 100644
--- a/create_classic_poll.php
+++ b/create_classic_poll.php
@@ -31,7 +31,7 @@ include_once __DIR__ . '/app/inc/init.php';
 /*---------*/
 $logService = new LogService();
 $pollService = new PollService($connect, $logService);
-$mailService = new MailService($config['use_smtp'], $config['smtp_options']);
+$mailService = new MailService($config['use_smtp'], $config['smtp_options'], $config['use_sendmail']);
 $purgeService = new PurgeService($connect, $logService);
 $sessionService = new SessionService();
 
diff --git a/create_date_poll.php b/create_date_poll.php
index 42fef6c..2aee276 100644
--- a/create_date_poll.php
+++ b/create_date_poll.php
@@ -31,7 +31,7 @@ include_once __DIR__ . '/app/inc/init.php';
 /*---------*/
 $logService = new LogService();
 $pollService = new PollService($connect, $logService);
-$mailService = new MailService($config['use_smtp'], $config['smtp_options']);
+$mailService = new MailService($config['use_smtp'], $config['smtp_options'], $config['use_sendmail']);
 $purgeService = new PurgeService($connect, $logService);
 $inputService = new InputService();
 $sessionService = new SessionService();
diff --git a/find_polls.php b/find_polls.php
index d276187..00d9150 100644
--- a/find_polls.php
+++ b/find_polls.php
@@ -28,7 +28,7 @@ include_once __DIR__ . '/app/inc/init.php';
 /* -------- */
 $logService =  new LogService();
 $pollService = new PollService($connect,  $logService);
-$mailService = new MailService($config['use_smtp'], $config['smtp_options']);
+$mailService = new MailService($config['use_smtp'], $config['smtp_options'], $config['use_sendmail']);
 
 /* PAGE */
 /* ---- */
diff --git a/studs.php b/studs.php
index 72d0ce4..27b8fe3 100644
--- a/studs.php
+++ b/studs.php
@@ -58,7 +58,7 @@ $selectedNewVotes = [];
 $logService = new LogService();
 $pollService = new PollService($connect, $logService);
 $inputService = new InputService();
-$mailService = new MailService($config['use_smtp'], $config['smtp_options']);
+$mailService = new MailService($config['use_smtp'], $config['smtp_options'], $config['use_sendmail']);
 $notificationService = new NotificationService($mailService);
 $securityService = new SecurityService();
 $sessionService = new SessionService();
diff --git a/tpl/admin/config.tpl b/tpl/admin/config.tpl
index aade507..8e2f577 100644
--- a/tpl/admin/config.tpl
+++ b/tpl/admin/config.tpl
@@ -101,7 +101,8 @@ const DEMO_POLL_NUMBER_VOTES = 10;
 // Config
 $config = [
     /* general config */
-    'use_smtp' => true,                     // use email for polls creation/modification/responses notification
+    'use_smtp' => true,                     // use email for polls creation/modification/responses notification (uses smtp only if `use_sendmail` is disabled)
+    'use_sendmail' => false,                // use sendmail instead of smtp
     'smtp_options' => [
         'host' => 'localhost',              // SMTP server (you could add many servers (main and backup for example) : use ";" like separator
         'auth' => false,                    // Enable SMTP authentication