Re: “RCPT from unknown Sender address rejected: Domain not found" after SpamAssassin installation

[Wietse Venema]

Carlo Manuali:
> NOQUEUE: reject: RCPT from unknown Sender address rejected: Domain not found

You may want to read this:

http://www.postfix.org/postconf.5.html#reject_unknown_sender_domain

        Wietse