Setting Auto-Submitted header for calendar events and new user mail

Signed-off-by: Bennet Becker <bbecker@pks.mpg.de>

apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php

@@ -36,6 +36,7 @@ use OCP\IConfig;
 use OCP\IL10N;
 use OCP\IURLGenerator;
 use OCP\L10N\IFactory as L10NFactory;
+use OCP\Mail\AutoSubmittedValue;
 use OCP\Mail\IEMailTemplate;
 use OCP\Mail\IMailer;
 use OCP\IUser;
@@ -131,6 +132,7 @@ class EmailProvider extends AbstractProvider {
 				}
 				$message->setTo([$emailAddress]);
 				$message->useTemplate($template);
+				$message->setAutoSubmitted(AutoSubmittedValue::AUTO_GENERATED);
 
 				try {
 					$failed = $this->mailer->send($message);

apps/settings/lib/Mailer/NewUserMailHelper.php

@@ -35,6 +35,7 @@ use OCP\IConfig;
 use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\L10N\IFactory;
+use OCP\Mail\AutoSubmittedValue;
 use OCP\Mail\IEMailTemplate;
 use OCP\Mail\IMailer;
 use OCP\Security\ICrypto;
@@ -181,6 +182,7 @@ class NewUserMailHelper {
 		$message->setTo([$email => $user->getDisplayName()]);
 		$message->setFrom([$this->fromAddress => $this->themingDefaults->getName()]);
 		$message->useTemplate($emailTemplate);
+		$message->setAutoSubmitted(AutoSubmittedValue::AUTO_GENERATED);
 		$this->mailer->send($message);
 	}
 }