Hello, we have configured postfix in one of our Centos server.
[root@test ~]# postconf -d | grep mail_version mail_version = 2.10.0 milter_macro_v = $mail_name $mail_version When we have sent one message in our mail id we got below error code in maillog. Jun 12 20:29:23 ems31 postfix/smtpd[1813]: warning: dict_nis_init: NIS domain name not set - NIS lookups disabled Jun 12 20:29:23 ems31 postfix/smtpd[1813]: connect from eemail.example.com [10.0.0.25] Jun 12 20:29:24 ems31 postfix/smtpd[1813]: C582022400C: client= eemail.example.com[10.0.0.25] Jun 12 20:29:25 ems31 postfix/cleanup[1815]: C582022400C: message-id=<> Jun 12 20:29:25 ems31 postfix/qmgr[1798]: C582022400C: from=< test.example.com>, size=849, nrcpt=1 (queue active) Jun 12 20:29:26 ems31 postfix/smtpd[1813]: disconnect from eemail.example.com[10.0.0.25] Jun 12 20:29:26 ems31 postfix/smtp[1816]: C582022400C: to=< ravindragupta_...@yahoo.com>, relay=mta5.am0.yahoodns.net[98.138.112.38]:25, delay=2.4, delays=1.3/0.01/0.69/0.41, dsn=5.0.0, status=bounced (host mta5.am0.yahoodns.net[98.138.112.38] said: 550 Action not taken (in reply to end of DATA command)) Jun 12 20:29:26 ems31 postfix/cleanup[1815]: CC78D22400E: message-id=< 20130613002926.cc78d224...@ems31.eemail.example.com> Jun 12 20:29:26 ems31 postfix/bounce[1817]: C582022400C: sender non-delivery notification: CC78D22400E Jun 12 20:29:26 ems31 postfix/qmgr[1798]: C582022400C: removed Jun 12 20:29:26 ems31 postfix/qmgr[1798]: CC78D22400E: from=<>, size=2817, nrcpt=1 (queue active) Jun 12 20:29:27 ems31 postfix/smtp[1816]: CC78D22400E: to=<test.example.com>, relay=imap.eemail.example.com[10.0.0.125]:25, delay=0.86, delays=0.01/0/0.42/0.42, dsn=5.0.0, status=bounced (host imap.eemail.example.com[10.0.0.125] said: 550 Action not taken (in reply to end of DATA command)) Jun 12 20:29:27 ems31 postfix/qmgr[1798]: CC78D22400E: removed Jun 12 20:30:40 ems31 postfix/smtpd[1802]: timeout after END-OF-MESSAGE from unknown[10.0.0.158] Jun 12 20:30:40 ems31 postfix/smtpd[1802]: disconnect from unknown[10.0.0.158] Can anyone help or suggest how to start troubleshooting?
