[求助]Exchange5.5 总有病毒

phoenix

各位：<br>大家好！<br>
我的邮件服务器总是在用postmaster帐号发送病毒。以下是我从Log文件中截取的信息：<br>
04-12-27 8:57:25 : A connection was accepted from MAIL.<br>
04-12-27 8:57:25 : <<< IO: |HELO SMTP<br>
|<br>
04-12-27 8:57:25 : <<< HELO SMTP<br>
04-12-27 8:57:25 : >>> 250 OK<br>
<br>
04-12-27 8:57:25 : <<< IO: |MAIL FROM:<><br>
|<br>
04-12-27 8:57:25 : <<< MAIL FROM:<><br>
04-12-27 8:57:25 : >>> 250 OK - mail from <><br>
<br>
04-12-27 8:57:25 : <<< IO: |RCPT TO:<postmaster@cdtechno.com.cn><br>
|<br>
04-12-27 8:57:26 : <<< RCPT TO:<postmaster@cdtechno.com.cn><br>
04-12-27 8:57:26 : >>> 250 OK - Recipient <postmaster@cdtechno.com.cn><br>
<br>
04-12-27 8:57:26 : <<< IO: |RSET<br>
|<br>
04-12-27 8:57:26 : <<< RSET<br>
04-12-27 8:57:26 : >>> 250 OK - Reset<br>
<br>
04-12-27 8:57:26 : <<< IO: |MAIL FROM:<><br>
|<br>
04-12-27 8:57:26 : <<< MAIL FROM:<><br>
04-12-27 8:57:26 : >>> 250 OK - mail from <><br>
<br>
04-12-27 8:57:26 : <<< IO: |RCPT TO:<postmaster@cdtechno.com.cn><br>
|<br>
04-12-27 8:57:26 : <<< RCPT TO:<postmaster@cdtechno.com.cn><br>
04-12-27 8:57:26 : >>> 250 OK - Recipient <postmaster@cdtechno.com.cn><br>
<br>
04-12-27 8:57:26 : <<< IO: |DATA<br>
|<br>
04-12-27 8:57:27 : <<< DATA<br>
04-12-27 8:57:27 : >>> 354 Send data. End with CRLF.CRLF<br>
<br>
04-12-27 8:57:27 : <<< IO: |From: Symantec AntiVirus<br>
Subject: =?gb2312?B?1NrP+8+iICJVbmRlbGl2ZXJhYmxlOiBNZXJyeSBDaHJpc3RtYXMhItbQt6LP1rKhtr4=?=<br>
To: System Administrator <postmaster@cdtechno.com.cn><br>
<br>
<br>
请立刻联系网络管理员 268分机<br>
<br>
Symantec AntiVirus 在您 (System Administrator <postmaster@cdtechno.com.cn>) 发送给 dmgao@ipp.ac.cn 的附件中发现病毒。<br>
<br>
为确保收件人可以使用您所发送的文件，请在您的计算机上执行病毒扫描，清理受感染的文件，然后重新发送该附件。<br>
<br>
<br>
附件： Unknown0...<br>
威胁： W32.Erkez.D@mm<br>
采用的操作： 隔离 成功<br>
文件状态： 受感染<br>