在webeasymail的使用过程中遇到的问题

[clihua]

最近几天在我的网站中，webeasymail的使用遇到了如下问题：总是提示邮件投递超时错误，无法将您的邮件投递至以下指定地址:
@MWJ?[e-mail]


//----------------------------------------------------------
Received: Fri, 3 Jun 2005 09:05:33 +0800
From: clh <[e-mail]>
To: @MWJ?[e-mail]
Subject: 7B2312?Q?考勤(周卫东)?Mime-Version: 1.0
X-MSMail-Priority: Normal
Content-Type: multipart/mixed; boundaryM--->extPart_1SONULbJlpiZfVBLpis51K2E265bH0DP"

------>extPart_1SONULbJlpiZfVBLpis51K2E265bH0DP
Content-Type: text/plain; charsetgB2312"
Content-Transfer-Encoding: quoted-printable



------>extPart_1SONULbJlpiZfVBLpis51K2E265bH0DP
Content-Type: application/octet-stream; name_<GZ1mQy.xls"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename_<GZ1mQy.xls"
后面还有一段乱码。


原因在哪里呢？敬请各位指教！