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 < mahan at mahan.org>: Recipient address rejected: unverified address: host ns.mahan.org[private/dovecot-lmtp] said: 550 5.1.1 <mahan at mahan.org> User doesn't exist: mahan at mahan.org (in reply to RCPT TO command); from=< pmahan at silver-peak.com> to=<mahan at 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://dovecot.org/pipermail/dovecot/attachments/20190328/1dee7bd3/attachment.html>
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 < mahan at mahan.org>: Recipient address rejected: unverified >address: host ns.mahan.org[private/dovecot-lmtp] said: 550 5.1.1 ><mahan at mahan.org> User doesn't exist: mahan at mahan.org (in reply to >RCPT TO command); from=< pmahan at silver-peak.com> to=<mahan at 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
<!doctype html> <html> <head> <meta charset="UTF-8"> </head> <body> <div> <br> </div> <blockquote type="cite"> <div> On 31 March 2019 17:41 Jerry via dovecot < <a href="mailto:dovecot@dovecot.org">dovecot@dovecot.org</a>> wrote: </div> <div> <br> </div> <div> <br> </div> <div> On Thu, 28 Mar 2019 05:22:37 -0700, Patrick Mahan via dovecot stated: </div> <div> <br> </div> <div> >FreeBSD 11.2 </div> <div> >Postfix 3.3.2 </div> <div> >Dovecot 2.3.4 </div> <div> > </div> <div> >I am trying to use dovecot lmtp with postfix to verify authentication </div> <div> >of incoming email and to avoid being a spam relay (an issue I was </div> <div> >having using sendmail as my MTA). </div> <div> > </div> <div> >I am getting the following log message in /var/log/maillog: </div> <div> > </div> <div> >Mar 30 20:31:38 ns postfix/smtpd[40373]: NOQUEUE: reject: RCPT from </div> <div> >mail-eopbgr750091.outbound.protection.outlook.com[40.107.75.91]: 450 </div> <div> >4.1.1 < <a href="mailto:mahan@mahan.org">mahan@mahan.org</a>>: Recipient address rejected: unverified </div> <div> >address: host ns.mahan.org[private/dovecot-lmtp] said: 550 5.1.1 </div> <div> >< <a href="mailto:mahan@mahan.org">mahan@mahan.org</a>> User doesn't exist: <a href="mailto:mahan@mahan.org">mahan@mahan.org</a> (in reply to </div> <div> >RCPT TO command); from=< <a href="mailto:pmahan@silver-peak.com">pmahan@silver-peak.com</a>> to=< <a href="mailto:mahan@mahan.org">mahan@mahan.org</a>> </div> <div> >proto=ESMTP helo=< NAM02-BL2-obe.outbound.protection.outlook.com> </div> <div> > </div> <div> >'mahan' does exist on ns.mahan.org. So I am confused to why lmtp is </div> <div> >failing to find this username. </div> <div> > </div> <div> >Thanks, </div> <div> > </div> <div> >Patrick </div> <div> > </div> <div> <br> </div> <div> You probably shuld be asking this on the Postfix forum. Have you read </div> <div> < <a href="http://www.postfix.org/ADDRESS_VERIFICATION_README.html>" rel="noopener" target="_blank" data-mce-href="http://www.postfix.org/ADDRESS_VERIFICATION_README.html">">http://www.postfix.org/ADDRESS_VERIFICATION_README.html></a>? You also </div> <div> have "smtpd_reject_unlisted_recipient" options. You really need to post </div> <div> the output of "postconf -nf" and perhaps "postconf -Mf". </div> <div> <br> </div> <div> -- </div> <div> Jerry </div> </blockquote> <div> <br> </div> <div> I would try setting </div> <div> <br> </div> <div> auth_username_format=%Ln </div> <div> <br> </div> <div> as otherwise domain part is included in username lookup... </div> <div class="io-ox-signature"> <pre>--- Aki Tuomi</pre> </div> </body> </html>