EXCHANGE返回如下系统退信，但对方可以收到邮件，帮忙看看是什么问题

airght

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EXCHANGE返回如下系统退信，但对方可以收到邮件，帮忙看看是什么问题<br>
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发件人: System Administrator [mailto:postmaster@ismart.com.cn] <br>
发送时间: 2005年4月27日 16:34<br>
收件人: deane_ni<br>
主题: Undeliverable: 转发: 补附件<br>
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Your message<br>
<br>To: stephenchan@keypick-ad.com<br>Cc: 'keypick'<br>Subject: 转发补附件<br>Sent: Wed, 27 Apr 2005 16:31:16 +0800<br>
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did not reach the following recipient(s):<br>
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stephenchan@keypick-ad.com on Wed, 27 Apr 2005 16:34:18 +0800<br>Unable to deliver the message due to a communications failure<br>
The MTS-ID of the original message is: c=us;a=<br>
;p=gdsmc;l=SMARTDD0504270834JJSCMSV1<br>MSEXCH:IMS:GDSMC:GDSMC:SMARTDD 3902 (000B09AA) Host Unknown<br>
'keypick' on Wed, 27 Apr 2005 16:34:18 +0800<br>Unable to deliver the message due to a communications failure<br>
The MTS-ID of the original message is: c=us;a=<br>
;p=gdsmc;l=SMARTDD0504270834JJSCMSV1<br>MSEXCH:IMS:GDSMC:GDSMC:SMARTDD 3902 (000B09AA) Host Unknown<br>
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<img src="../leadbbsfile/UBBicon/em03.GIF" width=20 height=20 align=absmiddle border=0><img src="../leadbbsfile/UBBicon/em03.GIF" width=20 height=20 align=absmiddle border=0><img src="../leadbbsfile/UBBicon/em03.GIF" width=20 height=20 align=absmiddle border=0>

airght

有没有高手，帮忙看看是什么问题啊！

smallbigbox

还是察看一下smtp日志，看看到底成功没有

airght

发送是成功了，对方已经收到信件，会不会是对方邮件服务器出现暂时中断所致。

smallbigbox

到邮件跟踪中心检查一下，上面的到哪一部断掉的？