qmail怎么设置，拒绝收取非本域系统退信。

lpc · 发表于 2008-7-18 10:07:49

qmail怎么设置，拒绝收取非本域系统退信。
有些邮件地址被人拿去当回复地址（恶意）

退信式郵件攻擊
江衍源說明，所謂「退信式垃圾信攻擊」方式是偽造某公司員工寄出去的垃圾信，而收件者則是以隨意亂數產生的對象，透過目的地 Mail Server因收件者不存在，或者是其它錯誤訊息而產生退信。這類電子郵件的退信服務原本應是郵件服務中的正常作業模式，所以郵件伺服器通常也會允許接收這類的退信通知，將信退回至被偽造發信的員工信箱中，造成大量垃圾退信湧入員工信箱，影響企業生產力

lpc · 发表于 2008-7-18 10:16:39

以下是类似的退信

发件人： MAILER-DAEMON
发送时间： 2008-07-16 23:56:15
收件人： yangwh
抄送：
主题： failure notice

Hi. This is the qmail-send program at firefly.profnet.com.br.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
<laminia@profnet.com.br>:
address: /usr/local/vpopmail/domains/profnet.com.br/laminia/Maildir/
quota: 50000000
user is over quota
--- Below this line is a copy of the message.
Return-Path: <yangwh@simli.com>
Received: (qmail 30035 invoked from network); 17 Jul 2008 01:11:31 -0000
Received: from unknown (HELO 70.105.77.194) (70.105.77.194)
  by 0 with SMTP; 17 Jul 2008 01:11:31 -0000
Message-ID: <000501c8e754$042410a2$660e0586@mnprtv>
From: "dill ximenes" <yangwh@simli.com>
To: <laminia@profnet.com.br>
Subject:  Angelina Jolie nude movie
Date: Wed, 16 Jul 2008 13:09:50 +0000
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0002_01C8E754.04240E8A"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.3138
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198
This is a multi-part message in MIME format.
------=_NextPart_000_0002_01C8E754.04240E8A
Content-Type: text/plain;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
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------=_NextPart_000_0002_01C8E754.04240E8A
Content-Type: text/html;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 6.00.2900.3199" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>

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qmail怎么设置，拒绝收取非本域系统退信。

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