Stephen Atkins: > So it turns out my replacement while I was on vacation modified my > main.cf. I went back to an back up I have a few weeks ago and changed > it back. Now I don't have that problem any more. What it came down to > was "check_relay_domains" had been removed for some reason.
Use "permit_mynetworks, reject_unauth_destination" instead of "check_relay_domains". I am about to remove "check_relay_domains" from Postfix. Wietse