u-mail出现严重延迟队列问题，就是所谓死循环然后邮件就出不来

最近丫的发现umail太操蛋了，一个客户邮件相当的巨大，但是使用了umail加中继后就经常出现一些莫名其妙的问题，是其他邮件系统没有碰到过的。死队列，坏队列，循环队列等等。

[caption id="attachment_3965" align="alignnone" width="749"] uamil邮件延迟队列堵住问题邮件中继[/caption]

The attached message had transient non-fatal delivery errors

THIS IS A WARNING MESSAGE ONLY - YOU DO NOT NEED TO RESEND YOUR MESSAGE!

This server is configured to automatically retry delivery at configured

intervals. Subsequent attempts to deliver this message are pending.

--- Session Transcript ---

Mon 2013-10-28 14:37:52: Parsing message <xxxxxxxxxxxxxxxxxxxxxxpd35000168869.msg>

Mon 2013-10-28 14:37:52: * From: winni.wang@emailsos.net

Mon 2013-10-28 14:37:52: * To: r.thoma@tse-mail.com

Mon 2013-10-28 14:37:52: * Subject: pls confirm the PI

Mon 2013-10-28 14:37:52: * Message-ID: <201310281343222820128@emailsos.net>

Mon 2013-10-28 14:37:52: * Route slip host: tse-mail.com

Mon 2013-10-28 14:37:52: * Route slip port: 25

Mon 2013-10-28 14:37:52: Attempting SMTP connection to [tse-mail.com]

Mon 2013-10-28 14:37:52: Resolving MX records for [tse-mail.com] (DNS Server: 8.8.8.8)...

Mon 2013-10-28 14:37:52: * P=100 S=000 D=tse-mail.com TTL=(283) MX=[mail2.cosmik.net]

Mon 2013-10-28 14:37:52: Attempting SMTP connection to [mail2.cosmik.net:25]

Mon 2013-10-28 14:37:52: * Cache hit on mail2.cosmik.net; IP = 80.242.151.19

Mon 2013-10-28 14:37:52: Waiting for socket connection...

Mon 2013-10-28 14:37:52: * Connection established (127.0.0.1:2952 -> 80.242.151.19:25)

Mon 2013-10-28 14:37:52: Waiting for protocol to start...

Mon 2013-10-28 14:37:55: EHLO mail.emailsos.net

Mon 2013-10-28 14:37:55: Mon 2013-10-28 14:37:55: Mon 2013-10-28 14:37:55: Mon 2013-10-28 14:37:55: Mon 2013-10-28 14:37:55: Mon 2013-10-28 14:37:55: Mon 2013-10-28 14:37:55: Mon 2013-10-28 14:37:55: Mon 2013-10-28 14:37:55: STARTTLS

Mon 2013-10-28 14:37:59: EHLO mail.emailsos.net

Mon 2013-10-28 14:38:08: Mon 2013-10-28 14:38:08: Mon 2013-10-28 14:38:08: Mon 2013-10-28 14:38:08: Mon 2013-10-28 14:38:08: Mon 2013-10-28 14:38:08: Mon 2013-10-28 14:38:08: Mon 2013-10-28 14:38:08: MAIL From:<winni.wang@emailsos.net> SIZE=241778

Mon 2013-10-28 14:38:08: ... Sender ok

Mon 2013-10-28 14:38:08: --> RCPT To:<dr.m.amin@tse-mail.com>

Mon 2013-10-28 14:38:11: ... Recipient ok

Mon 2013-10-28 14:38:11: --> RCPT To:<r.thoma@tse-mail.com>

Mon 2013-10-28 14:38:24: ... Recipient ok

Mon 2013-10-28 14:38:24: --> DATA

Mon 2013-10-28 14:38:25: Mon 2013-10-28 14:38:25: Sending <xxxxxxxxxxxxxxxxxxxxxxpd35000168869.msg> to [80.242.151.19]

Mon 2013-10-28 15:11:54: Connection timed out!

Mon 2013-10-28 15:11:54: This message is 85 minutes old; it has 0 minutes left in this queue

Mon 2013-10-28 15:11:54: Remote queue lifetime exceeded; message placed in retry queue

--- End Transcript ---