I am sorry. I posted this only to Stan before. Looking at the rejected line, it seems to be postfix/smtp.
note, there is no corresponding mx record for the from email domain. Jul 17 17:54:38 mailserver postfix/smtpd[10802]: F2E484231D: client=unknown[192.168.25.88], sasl_method=login, sasl_username=mailu...@mailserver.replydomain.biz Jul 17 17:54:39 mailserver postfix/cleanup[10804]: F2E484231D: message-id=<> Jul 17 17:54:39 mailserver postfix/qmgr[3176]: F2E484231D: from=<b...@replydomain.com>, size=15284, nrcpt=1 (queue active) Jul 17 17:54:49 mailserver postfix/smtp[10805]: F2E484231D: to=<u...@targetdomain.com>, relay=smtp.secureserver.net[216.69.186.201]:25, delay=10, delays=0.08/0.01/10/0.16, dsn=5.0.0, status=bounced (host smtp.secuaid: 550 #5.1.0 Address rejected. (in reply to RCPT TO command)) Jul 17 17:54:49 mailserver postfix/cleanup[10804]: 4485042566: message-id=<20130717215449.4485042...@mailserver.replydomain.biz> Jul 17 17:54:49 mailserver postfix/bounce[10806]: F2E484231D: sender non-delivery notification: 4485042566 Jul 17 17:54:49 mailserver postfix/qmgr[3176]: 4485042566: from=<>, size=17264, nrcpt=1 (queue active) Jul 17 17:54:49 mailserver postfix/qmgr[3176]: F2E484231D: removed On Wed, Jul 17, 2013 at 8:51 PM, Wietse Venema <wie...@porcupine.org> wrote: > Roman Gelfand: >> I am trying to send out a message my server and getting an error below >> from my server >> 550 #5.1.0 Address rejected. (in reply to RCPT TO command)) > > That is qmail, not Postfix. > > Wietse
