This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: DUChetty@dawnltd.co.za host dawnltd.co.za [154.0.166.217] SMTP error from remote mail server after RCPT TO:: 554 5.7.1 : Relay access denied duckandnicks@gmail.com host gmail-smtp-in.l.google.com [74.125.24.27] SMTP error from remote mail server after RCPT TO:: 550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. Learn more at 550 5.1.1 https://support.google.com/mail/?p=NoSuchUser q9si20562535pgv.414 - gsmtp