On August 15, 2023 7:05:32 AM GMT+02:00, Chad Lundquist via Postfix-users <[email protected]> wrote: >I am getting legitimate emails REJECTED by postfix and I need to figure out a >way to forward them or whitelist them from getting blocked. > > > >I am using PFLogsumm and see this: > > > >message reject detail > >--------------------- > > RCPT > > 450 4.7.1 <mailgate-smtp2-plw.apisswe.us-east-1.aws.alight.com>: Helo > command rejected: Host not found; from=<[email protected]> > to=<[email protected]> proto=ESMTP > helo=<mailgate-smtp2-plw.apisswe.us-east-1.aws.alight.com> (total: 21) > > 21 amazonaws.com ([email protected]) > > > >What file do I edit in postfix to allow this message to flow and get delivered >or whitelisted? > Do you by any chance have reject_unknown_helo_hostname in your smtpd_*_restrictions in main.cf? This results in a reject, when the announced helo name has no A/MX dns entry. The host from your log message has no dns A entry. -- Christian Kivalo _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
[pfx] Re: Postfix Help with a rejection message
Christian Kivalo via Postfix-users Tue, 15 Aug 2023 00:25:46 -0700
- [pfx] Postfix Help with a rejection mes... Chad Lundquist via Postfix-users
- [pfx] Re: Postfix Help with a reje... Christian Kivalo via Postfix-users
