diff --git a/lib/MailQueueHandler.php b/lib/MailQueueHandler.php
index 3480b9b44..5d11c9bda 100644
--- a/lib/MailQueueHandler.php
+++ b/lib/MailQueueHandler.php
@@ -35,7 +35,7 @@
 use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\IUserManager;
-use OCP\L10N\IFactory;
+use OCP\L10N\IFactory; 
 use OCP\Mail\IMailer;
 use OCP\RichObjectStrings\InvalidObjectExeption;
 use OCP\RichObjectStrings\IValidator;
@@ -411,6 +411,12 @@ protected function sendEmailToUser($userName, $email, $lang, $timezone, $maxTime
 		$message->useTemplate($template);
 		$message->setFrom([$this->getSenderData('email') => $this->getSenderData('name')]);
 
+		if(method_exists($message, 'setAutoSubmitted')){
+			$message->setAutoSubmitted(\OCP\Mail\AutoSubmittedValue::AUTO_GENERATED);
+		} else {
+			$message->getSwiftMessage()->getHeaders()->addTextHeader('Auto-Submitted', 'auto-generated');
+		}
+
 		try {
 			$this->mailer->send($message);
 		} catch (\Exception $e) {