一方收退信，另一方完全沒檢測到有這郵件的記錄

sushunnong

我公司用的是mdaemon 10.0，有客戶發郵件過來公司，有退信，內容如下：
問題是我這邊防火牆完全沒有檢測到有＠abcdefg.com郵箱發過來的記錄，請問這內容告訴對方什麼信息？

From: Moinul Islam [mailto:moinul@abcdefg.com]
Sent: Thursday, November 05, 2009 11:45 AM
To: 'Tommy Wong'
Subject: RE: [mis] sending problem {01}

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  cindy.zhang@1234567.com.cn
    retry timeout exceeded
  willow.liu@1234567.com.cn
    retry timeout exceeded

------ This is a copy of the message, including all the headers. ------

Return-path: <mahbub@abcdefg.com>
Received: from [202.22.202.85] (helo=mahabubmerchandiser)
      by triad.lunarbreeze.com with esmtpa (Exim 4.69)
      (envelope-from <mahbub@abcdefg.com>)
      id 1N5eR1-0001nz-NX; Wed, 04 Nov 2009 03:54:02 -0800
Message-ID: <001c01ca5d45$8f14ebc0$1c640a0a@mahabubmerchandiser>
From: "MAHBUB" <mahbub@abcdefg.com>
To: "Cyrus Leung" <cyrus.leung@1234567.com.hk>
Cc: "'Willow Liu'" <willow.liu@1234567.com.cn>,
      =?utf-8?Q?Cindy_Zhang_=E5=BC=A0=E6=96=B9?= <cindy.zhang@1234567.com.cn>,
      "Chilok" <chilok.poon@1234567.com.hk>,
      <sylvia.cheng@1234567.com.hk>,
      "MD Sir" <sohag@abcdefg.com>
Subject: Fw: New Inquiries for 2010.
Date: Wed, 4 Nov 2009 17:54:18 +0600
MIME-Version: 1.0
Content-Type: multipart/alternative;
      boundary="----=_NextPart_000_0019_01CA5D77.D4F1D3B0"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.3598
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350

This is a multi-part message in MIME format.

------=_NextPart_000_0019_01CA5D77.D4F1D3B0
Content-Type: text/plain;
      charset="utf-8"
Content-Transfer-Encoding: quoted-printable

hiscal

根据“retry timeout exceeded” 我个人推测是服务器之间未连接成功 那你的服务器自然也不会有记录的

sushunnong

就是兩邊網絡之間不能通信是吧，難道是兩國的防火牆之間的問題....

好的，謝謝

neil.fu

DNS问题，对方解析不到您的MX记录