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Postfix Milter rejecting messges

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Kathiresh Nadar

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Sep 22, 2014, 10:01:28 AM9/22/14
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Hi members,

I am having a Postfix server with milter. Sometimes i am getting lots of below messages even though mailing is work at a slower rate.

The issue is resolved on milter restart. Can somebody help me to resolve the issue.


server2[192.168.0.2]: 451 4.7.1 Service unavailable - try again later; proto=SMTP helo=<server2>
Sep 22 17:14:59 server1 postfix/smtpd[28590]: NOQUEUE: milter-reject: MAIL from server2[192.168.0.2]: 451 4.7.1 Service unavailable - try again later; from=<members...@xxxxxxxxxx.com> proto=ESMTP helo=<server2>
Sep 22 17:14:59 server1 postfix/smtpd[28590]: too many errors after MAIL from server2[192.168.0.2]
Sep 22 17:14:59 server1 postfix/smtpd[28590]: disconnect from server2[192.168.0.2]
Sep 22 17:15:02 server1 postfix/smtpd[28590]: connect from server2[192.168.0.2]
Sep 22 17:15:02 server1 postfix/smtpd[28590]: warning: milter unix:/dev/shm/pmilter.socket: unexpected reply "t" in initial handshake
Sep 22 17:15:02 server1 postfix/smtpd[28590]: NOQUEUE: milter-reject: CONNECT from server2[192.168.0.2]: 451 4.7.1 Service unavailable - try again later; proto=SMTP
Sep 22 17:15:02 server1 postfix/smtpd[28590]: NOQUEUE: milter-reject: EHLO from server2[192.168.0.2]: 451 4.7.1 Service unavailable - try again later; proto=SMTP helo=<server2>
Sep 22 17:15:02 server1 postfix/smtpd[28590]: NOQUEUE: milter-reject: MAIL from server2[192.168.0.2]: 451 4.7.1 Service unavailable - try again later; from=<members...@xxxxxx.com> proto=ESMTP helo=<server2>
Sep 22 17:15:02 server1 postfix/smtpd[28590]: too many errors after MAIL from server2[192.168.0.2]
Sep 22 17:15:02 server1 postfix/smtpd[28590]: disconnect from server2[192.168.0.2]

Regards.
Kathiresh
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