On Thu, May 13, 2021 at 09:02:26AM -0400, Alex wrote: > > That is not valid relay_domains syntax. For more help, see: > > > > http://www.postfix.org/DEBUG_README.html#mail > > Just to be clear, I forgot to note that the check_recipient_access was > part of my smtpd_recipient_restrictions, not relay_domains:
Posting tiny fragments of your configuration wastes everyone's time. :-( If you want help post the complete output of "postconf -nf" preserving all whitespace, ... (not folding or unfolding of lines). > May 12 23:02:35 xavier postfix-117/smtpd[3481802]: NOQUEUE: reject: > RCPT from mail-dm6nam10lp2107.outbound.protection.outlook.com[104.47.58.107]: > 554 5.7.1 <gar...@gmail.com>: Relay access denied; > from=<a...@example.com> to=<gar...@gmail.com> proto=ESMTP > helo=<NAM10-DM6-obe.outbound.protection.outlook.com> This was rejected by "reject_unauth_destination". -- Viktor.