program/steps/mail/sendmail.inc
@@ -546,7 +546,13 @@ $OUTPUT->send('iframe'); } $sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto, $smtp_error, $mailbody_file); // Handle Delivery Status Notification request if (!empty($_POST['_dsn'])) { $smtp_opts['dsn'] = true; } $sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto, $smtp_error, $mailbody_file, $smtp_opts); // return to compose page if sending failed if (!$sent)