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SMTP 反弹

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SMTP 反弹

发送给客户端时存在 SMTP 退回问题：

Subject: Mail delivery failed: returning message to sender

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:

  [email protected]
    SMTP error from remote mail server after end of data:
    host coct-edge-004.capetown.gov.za [41.208.10.121]:
    550 5.7.1 Message rejected due to content restrictions
  [email protected]
    SMTP error from remote mail server after end of data:
    host coct-edge-004.capetown.gov.za [41.208.10.121]:
    550 5.7.1 Message rejected due to content restrictions

------ This is a copy of the message, including all the headers. ------
------ The body of the message is 41054 characters long; only the first
------ 16384 or so are included here.

Return-path: <[email protected]>
Received: from 41-134-213-41.dsl.mweb.co.za ([41.134.213.41] helo=Vitcptex01.corpcomputers.co.za)
    by relay09.smp.mweb.co.za with esmtp (Exim 4.77)
    id 1Sgbs9-0000yC-U6; Mon, 18 Jun 2012 15:20:02 +0200
Received: from VITCPTEX01.corpcomputers.co.za ([192.168.1.212]) by Vitcptex01
 ([192.168.1.212]) with mapi; Mon, 18 Jun 2012 15:20:01 +0200
From: Karen Alexander <[email protected]>
To: Melisse Fernandez <[email protected]>, Tracy-Lee Petersen
    <[email protected]>
CC: Kauthar Londt <[email protected]>, All_Technical
    <[email protected]>
Date: Mon, 18 Jun 2012 15:20:00 +0200
Subject: RE: HP PRINTER
Thread-Topic: HP PRINTER
Thread-Index: Ac1NUkiesJJjmDQzRAapRJlgOLqLUAAAUpGQAABRx+A=
Message-ID: <A40EFFB628E7094B9FE43B3D90090B09D1364509F7@Vitcptex01>
References: <DDFEEF88E36AB5418BB42BFDFA352D0D65E960C7@CBD-CIVIC-XMB01.capetown.gov.za>
 <47B3CDFC4522FC46B5E5511926A5111665E63DC8@CBD-CIVIC-XMB01.capetown.gov.za>
In-Reply-To: <47B3CDFC4522FC46B5E5511926A5111665E63DC8@CBD-CIVIC-XMB01.capetown.gov.za>
Accept-Language: en-US, en-ZA
Content-Language: en-US
X-MS-Has-Attach: yes
X-MS-TNEF-Correlator:
acceptlanguage: en-US, en-ZA
Content-Type: multipart/related;
    boundary="_005_A40EFFB628E7094B9FE43B3D90090B09D1364509F7Vitcptex01_";
    type="multipart/alternative"
MIME-Version: 1.0

--_005_A40EFFB628E7094B9FE43B3D90090B09D1364509F7Vitcptex01_
Content-Type: multipart/alternative;
    boundary="_000_A40EFFB628E7094B9FE43B3D90090B09D1364509F7Vitcptex01_"

--_000_A40EFFB628E7094B9FE43B3D90090B09D1364509F7Vitcptex01_
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

答案1

由于服务器的内容限制，邮件被退回

550 5.7.1 Message rejected due to content restrictions

我不知道您发送了什么，但服务器不喜欢它。

答案2

邮件似乎包含收件人不允许的某些文本或附件。您必须询问他们，了解他们不允许的内容是什么。通常，发生这种情况是因为收件人不允许特殊文件类型，例如可执行文件。

您是否尝试过发送一封不带任何附件或大量文本的测试邮件？

答案3

目标邮件服务器不喜欢你的邮件内容，

550 5.7.1 Message rejected due to content restrictions

通常情况下，550 表示收件人邮箱不存在或无法写入，但无论您在此处谈论的是哪个 MTA，都会使用它来告诉您基于策略的拒绝。

在网上快速搜索后，你会发现一个知名的产品组合（Exchange + 反恶意软件扫描程序）会生成此消息，有时会给出误报，但这并不意味着你的情况是错误的。无论原因是什么，你应该与收件人邮件服务器所有者交谈。

答案4

550 5.7.1 应归因于与电子邮件内容相关的特定错误代码。电子邮件中触发该服务器规则的内容与电子邮件内容有关。正文中的文本、主题、任何图像、链接等。

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