大家看一下这样的错误信息是什么意思？

littlebeer

----- Original Message ----- <br>
From: <MAILER-DAEMON@ntvirus4.url.com.tw><br>
To: <alan@apex-point.com><br>
Sent: Monday, October 18, 2004 10:37 PM<br>
Subject: failure notice<br>
<br>
<br>
> Hi. This is the qmail-send program at ntvirus4.url.com.tw.<br>
> I'm afraid I wasn't able to deliver your message to the following<br>
addresses.<br>
> This is a permanent error; I've given up. Sorry it didn't work out.<br>
><br>
> <mail@url.com.tw>:<br>
> 127.0.0.1 failed after I sent the message.<br>
> Remote host said: 550 Unacceptable content<br>
><br>
> --- Below is a copy of the message header.<br>
><br>
> Return-Path: <alan@apex-point.com><br>
> Received: (qmail 15669 invoked from network); 19 Oct 2004 05:37:30 -0000<br>
> Return-Path: <alan@apex-point.com><br>
> Message-ID: <20041019053730.15667.qmail@ntvirus4.url.com.tw><br>
> X-AccFilter: gw2-level 4 #C1#P0#M0#o1#x0#f0#h0#v0#c1#R7<br>
> Received: from unknown (HELO url.com.tw) ([220.137.101.48])<br>
(envelope-sender <alan@apex-point.com>)<br>
> by ntvirus4.url.com.tw (qmail-ldap-1.03) with SMTP<br>
> for <mail@url.com.tw>; 19 Oct 2004 13:37:28 +0800<br>
> From: alan@apex-point.com<br>
> To: mail@url.com.tw<br>
> Subject: lol<br>
> Date: Tue, 19 Oct 2004 13:37:25 +0800<br>
> MIME-Version: 1.0<br>
> Content-Type: multipart/mixed;<br>
> boundary="----=_NextPart_000_0000_00007459.00004C0F"<br>
> X-Priority: 3<br>
> X-MSMail-Priority: Normal<br>
><br>
> This is a multi-part message in MIME format.<br>
><br>
> ------=_NextPart_000_0000_ ......<br>
><br>
><br>
<br>
<font color="red"><b>是病毒吗？我可从没有向mail@url.com.tw发过信。</b></font>

whytn

呵 呵，有可能你开启了一些自动回复的服务，比如：发往你的域的用户为不存在的话，系统会自动给发送人回一封信，发信人又是使用的假地址，而这个假地址就是你收到的这封信的地址。没什么大碍的。