I'm getting the error below when sending mail via smtp through google apps mail. Can anyone see why I get this error? As far as I can tell my domain exists!
THIS IS A WARNING MESSAGE ONLY.
YOU DO NOT NEED TO RESEND YOUR MESSAGE.
Delivery to the following recipient has been delayed:
Message will be retried for 2 more day(s)
Technical details of temporary failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain tutek.pl by mx.maxus.pl. [184.108.40.206].
The error that the other server returned was: 450 4.1.8 : Sender address rejected: Domain not found