diff --git a/cron/offlineIM.php b/cron/offlineIM.php
index 37af13f..50c4aa9 100644
--- a/cron/offlineIM.php
+++ b/cron/offlineIM.php
@@ -52,11 +52,8 @@
                 $mail->SMTPDebug = SMTP::DEBUG_SERVER;
                 $mail->isSMTP();
                 $mail->Host       = $RUNTIME['SMTP']['SERVER'];
-                $mail->SMTPAuth   = true;
-                $mail->Username   = $RUNTIME['SMTP']['USER'];
-                $mail->Password   = $RUNTIME['SMTP']['PASS'];
-                $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
-                $mail->Port       = $RUNTIME['SMTP']['PORT'];   
+                $mail->Port       = $RUNTIME['SMTP']['PORT']; 
+                $mail->SMTPAuth   = false;
     
                 $mail->setFrom($RUNTIME['SMTP']['ADRESS'], $RUNTIME['GRID']['NAME']);
                 $mail->addAddress($email, $RUNTIME['OPENSIM']->getUserName($row['PrincipalID']));