这是被中继了，还是病毒啊

zhangzy95

xxx@mydomain.com 这个帐号绝对没发这个信，我在后台会话里不时地看到这个帐号在发信，信的内容是 "淘宝热销左旋肉碱产品排行榜top10qmrx" 下面一堆广告图片，
看下面红字，
Sat 2012-05-12 10:32:18: From: mermaidweiwei@sina.com 这关我个鸟事，怎么回事,发信人应该是 mermaidweiwei@sina.com 呀，怎么跑我这儿了
Sat 2012-05-12 10:32:18: To: mermaidweiwei@sina.com以下是退信内容
===============================
附加的邮件发生暂时的非致命投递错误

这只是一封警告邮件－无需重新投递该邮件！

该服务器配置为在指定的间隔内自动重试投递。后续投递该邮件的尝试正待处理。

The following addresses have NOT yet received a copy of your message:

> maviszhangsky321@sohu.com
> mei1116428@sohu.com
> mgoeyt@sohu.com

--- Session Transcript ---
Sat 2012-05-12 10:32:18: Parsing Message <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000000318.msg>
Sat 2012-05-12 10:32:18: From: mermaidweiwei@sina.com
Sat 2012-05-12 10:32:18: To: mermaidweiwei@sina.com
Sat 2012-05-12 10:32:18: Subject: =?gb2312?B?zNSxpsjIz/rX89D9yOK87rL6xrfFxdDQsPF0b3AxMHFt?= =?gb2312?B?cng=?=
Sat 2012-05-12 10:32:18: Message-ID: <BA820C55860D2B804AB6E3AFE38A09EB@lbmyfrzbq>
Sat 2012-05-12 10:32:18: Route slip host: sohu.com
Sat 2012-05-12 10:32:18: Route slip port: 25
Sat 2012-05-12 10:32:18: 正在进行[sohu.com]的 MX-记录解析（DNS 服务器：221.6.4.66）...
Sat 2012-05-12 10:32:18: *  P=005 S=000 D=sohu.com TTL=(8) MX=[sohumx1.sohu.com] {220.181.26.202}
Sat 2012-05-12 10:32:18: *  P=010 S=001 D=sohu.com TTL=(8) MX=[sohumx.h.a.sohu.com] {61.135.132.100}
Sat 2012-05-12 10:32:18: Attempting MX: P=005 S=000 D=sohu.com TTL=(8) MX=[sohumx1.sohu.com] {220.181.26.202}
Sat 2012-05-12 10:32:18: 试图 SMTP 连接到 [220.181.26.202 : 25]
Sat 2012-05-12 10:32:18: 等候连接...
Sat 2012-05-12 10:32:18: 已建立连接 ([邮件服务器的IP] : 3867 -> 220.181.26.202 : 25) //这里我把我们的IP改成 邮件服务器的IP 了
Sat 2012-05-12 10:32:18: 等待协议初始化...
Sat 2012-05-12 10:32:18: <-- 220 sohumx70164.sohu.com ESMTP Postfix
Sat 2012-05-12 10:32:18: --> EHLO mydomain.com
Sat 2012-05-12 10:32:18: <-- 250-sohumx70164.sohu.com
Sat 2012-05-12 10:32:18: <-- 250-PIPELINING
Sat 2012-05-12 10:32:18: <-- 250-SIZE 157286400
Sat 2012-05-12 10:32:18: <-- 250-ETRN
Sat 2012-05-12 10:32:18: <-- 250-ENHANCEDSTATUSCODES
Sat 2012-05-12 10:32:18: <-- 250-8BITMIME
Sat 2012-05-12 10:32:18: <-- 250 DSN
Sat 2012-05-12 10:32:18: --> MAIL From:<xxx@mydomain.com> SIZE=53327
Sat 2012-05-12 10:32:18: <-- 250 2.1.0 Ok