On Thu, 28 Mar 2019 05:22:37 -0700, Patrick Mahan via dovecot stated: >FreeBSD 11.2 >Postfix 3.3.2 >Dovecot 2.3.4 > >I am trying to use dovecot lmtp with postfix to verify authentication >of incoming email and to avoid being a spam relay (an issue I was >having using sendmail as my MTA). > >I am getting the following log message in /var/log/maillog: > >Mar 30 20:31:38 ns postfix/smtpd[40373]: NOQUEUE: reject: RCPT from >mail-eopbgr750091.outbound.protection.outlook.com[40.107.75.91]: 450 >4.1.1 < ma...@mahan.org>: Recipient address rejected: unverified >address: host ns.mahan.org[private/dovecot-lmtp] said: 550 5.1.1 ><ma...@mahan.org> User doesn't exist: ma...@mahan.org (in reply to >RCPT TO command); from=< pma...@silver-peak.com> to=<ma...@mahan.org> >proto=ESMTP helo=< NAM02-BL2-obe.outbound.protection.outlook.com> > >'mahan' does exist on ns.mahan.org. So I am confused to why lmtp is >failing to find this username. > >Thanks, > >Patrick >
You probably shuld be asking this on the Postfix forum. Have you read <http://www.postfix.org/ADDRESS_VERIFICATION_README.html>? You also have "smtpd_reject_unlisted_recipient" options. You really need to post the output of "postconf -nf" and perhaps "postconf -Mf". -- Jerry
