|  | 
 
| Linux 上的邮件网关(杀病毒)AntiVir MailGate , 它有两种方法:
 
 1. 直接作 mail 网关,然后利用“ 管道 ”调用 smtp 程序。支持标准的 smtp 程序: sendmail、postfix、qmail。
 
 2. 也是作 mail 网关,在 /etc/sendmail.cf 里添加 avgatemail 选项 (这样 sendmail 在 825 端口监听),然后 再利用 825 端口转发邮件。意思是:25 即是 avmailgate 的 smtp 端口,然后它再利用 825(sendmail)端口转发邮件 !
 请注意:但是人家还是可以利用你的 825 端口 (就是利用原来的 senmail 来给你发送病毒邮件!但是,这种情况很少的。)。这时你可以用防火墙来阻止来自外部的对本机的 825 端口的连接。
 
 
 在 /etc/services 里面增加:
 smtp-backdoor   825/tcp
 
 修改 sendmail.cf 成:
 # SMTP daemon options
 
 #O DaemonPortOptions=Port=smtp,Addr=127.0.0.1, Name=MTA
 # 原来的。
 
 # -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- gugong -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
 #
 #       红帽子 V7.x  V8.0 所建立的本文件默认 “只” 对 localhost 即 127.0.0.1
 #       提供服务,根据以往本文件的内容,修改为:
 #
 # SMTP daemon options
 O DaemonPortOptions=Name=MTA, Port=smtp-backdoor
 
 O DaemonPortOptions=Port=587, Name=MSA, M=E
 
 # 若 不需要 avgatemail ,则应该是:
 #O DaemonPortOptions=Name=MTA
 
 #O DaemonPortOptions=Port=587, Name=MSA, M=E
 #       在端口 587 提供 submission 服务(MSA)。
 # -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- gugong -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
 
 
 请看:
 邮件网关杀除病毒后返回的报告:
 
 一、
 
 *********************************************************************
 AntiVir Virus Alert
 *********************************************************************
 This version of AntiVir MailGate is licensed for private and non-commercial use.
 *********************************************************************
 
 AntiVir found these viruses in the following mail:
 
 Worm/Klez.E
 
 The mail was not delivered.
 
 You may force the delivery without further checking the mail using:
 
 avq --deliver=04347-536A3823
 
 but we would not advise to do so. You should delete it with:
 
 avq --remove=04347-536A3823
 
 For more information, please read the manual page avmailgate(
  . 
 
 ----------Mail-Info----------
 From: winson246 <[email protected]>
 To: [email protected]
 Subject: Marginheight
 Mail-From: [email protected]
 Rcpt: [email protected]
 Queue-Id: 04347-536A3823
 Status: The mail was not delivered!
 -----------------------------
 
 
 -----------Log-File----------
 info: extracting attachment 1 to /var/tmp/av-06051-U43SFi/av-0
 (encoding="quoted-printable", name="(no name)", filename="(no name)")
 info: extracting attachment 2 to /var/tmp/av-06051-U43SFi/av-1
 (encoding="base64", name="Vebnq.pif", filename="(no name)")
 info: extracting attachment 3 to /var/tmp/av-06051-U43SFi/av-2
 (encoding="base64", name="frame", filename="(no name)")
 checking file "/var/tmp/av-06051-U43SFi/av-0"
 checking file "/var/tmp/av-06051-U43SFi/av-1"
 checking file "/var/tmp/av-06051-U43SFi/av-2"
 -----------------------------
 *********************************************************************
 For more information on AntiVir please visit our web site
 http://www.antivir.de  or  http://www.hbedv.com
 mailto: [email protected]
 
 AntiVir is a registered trademark of
 H+BEDV Datentechnik GmbH
 *********************************************************************
 
 
 二、
 
 *********************************************************************
 AntiVir Virus Alert
 *********************************************************************
 This version of AntiVir MailGate is licensed for private and non-commercial use.
 *********************************************************************
 
 AntiVir found these viruses in a mail for you from winson246 <[email protected]>:
 
 Worm/Klez.E
 
 The mail was not delivered.
 
 AntiVir  MailGate prevented  a virus  delivery.  But if you  need to
 receive further email from winson246 <[email protected]>,
 you should ask him/her to buy a professional antivirus software such
 as  AntiVir  from  H+BEDV  Datentechnik  GmbH.  He/She  can  contact
 mailto:[email protected] for further information.
 
 ----------Mail-Info----------
 From: winson246 <[email protected]>
 To: [email protected]
 Subject: Marginheight
 -----------------------------
 
 *********************************************************************
 For more information on AntiVir please visit our web site
 http://www.antivir.de  or  http://www.hbedv.com
 mailto: [email protected]
 
 AntiVir is a registered trademark of
 H+BEDV Datentechnik GmbH
 *********************************************************************
 
 
 自动升级病毒库后的报告:
 
 AntiVir has successfully updated itself.
 
 --> /usr/lib/AntiVir/antivir.vdf
 
 Machine: gugonghcs.fruitron.com.cn
 Date:    09 May 2002
 Time:    10:39:18
 
 
 
 
 -----------------------------
 Copyright (C) 1994-2002 by H+BEDV Datentechnik GmbH.
 All rights reserved.
 
 For private (non-commercial) use only.
 
 
 请到 :
 
 http://www.hbedv.com
 
 下载 Linux 版本,并注册,Linux 的 版本可是免费的哟。
 
 由于附件的后缀名限制,附加的文档的 .txt 结尾是我增加附加档案时添加上去的。
 | 
 
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