求大侠帮忙 出现这里的问题!!!!!

abig5

无法将您的邮件投递至以下指定地址: <br>
syferboy@126.com : DNS lookup failed. <br>
<br>
----- Original message follows. <br>
<br>
Received: Fri, 10 Feb 2006 14:50:23 +0800 <br>
From: 111 <111@028news.com> <br>
To: syferboy@126.com <br>
Subject: sdfsdfsdfsdfsdf <br>
Date: Fri, 10 Feb 2006 14:50:23 +0800 <br>
Mime-Version: 1.0 <br>
X-MSMail-Priority: Normal <br>
Content-Type: text/plain; charsetgB2312" <br>
Content-Transfer-Encoding: quoted-printable <br>
<br>
sdfsadfsadfsadf

Vernal

DNS lookup failed. 表示服务器不能正确解析相关域名，请确认你服务器上正确设置了DNS服务器