Dominic On Mon, Mar 27, 2017, at 09:45 AM, Dominic Raferd wrote: > I think the rejection you are seeing is being generated by > reject_unknown_sender_domain.
That's what I figured. > OKing an email in one restriction list only affects tests later in that same > list, not tests in > other restriction lists. I didn't catch that. I understood that once it's accepted, it's accepted for good. Kinda silly on my end, now that I think about it some more. But that would explain the problem. > Try adding the line check_client_access lmdb:/etc/postfix/client_whitelist' > to > the smtpd_sender_restriction list, after permit_mynetworks. That works like a champ! Thanks a bunch! Bill