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421 timeouts

From: Matt Francis (mattmyfrancis.net)
Date: Thu Aug 24 2006 - 13:49:40 CDT


Hey all,

I am having a problem with postfix not sending mail to certain domains,
and the error messages follow. The "server refused to talk to me" errror
is rare, but the timeout (in reply) is all over the place. I have dropped
my MTU to 1400, hoping that would fix my delivery issues.

Aug 22 04:14:49 penguin postfix/qmgr[6967]: 03E193056C: from=<memy.net>, size=1641, nrcpt=1 (queue active)
Aug 22 04:14:49 penguin postfix/qmgr[6967]: EE952300F8: from=<memy.net>, size=2604, nrcpt=1 (queue active)
Aug 22 04:19:53 penguin postfix/smtp[13698]: 03E193056C: host mail.org[XXX.XXX.XXX.XXX] said: 421 4.0.0 Error: timeout (in reply
to end of DATA command)
Aug 22 04:19:53 penguin postfix/smtp[13699]: EE952300F8: host mail.org[XXX.XXX.XXX.XXX] said: 421 4.0.0 Error: timeout (in reply
to end of DATA command)
Aug 22 04:19:53 penguin postfix/smtp[13699]: connect to mail.org[XXX.XXX.XXX.XXX]: server refused to talk to me: 421 Service not available, too many connections (port 25)
Aug 22 04:19:53 penguin postfix/smtp[13699]: EE952300F8: to=<userAmail.org>, relay=none, delay=337792, status=deferred
(connect to mail.org[XXX.XXX.XXX.XXX]: server refused to talk to me: 421 Service not available, too
many connections )
Aug 22 04:24:52 penguin postfix/smtp[13698]: 03E193056C: to=<userBmail.org>, relay=mail.org[XXX.XXX.XXX.XXX],
delay=20493, status=deferred (host mail.org[XXX.XXX.XXX.XXX] said: 421 4.0.0 Error: timeout (in reply
to end of DATA command))

Thanks,
Matt

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