发向邮件列表时 From: (sender not specified) 问题！

seraph

一个邮件列表，成员有内部地址也有外部地址，向这个邮件列表发邮件后查看日志，所有发到外部地址的邮件握手时都没有了发件人！！！<br>
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Mon 2005-02-28 10:34:12: [-1:2194:9] Parsing Message <C:\MDAEMON\REMOTEQ\pd80000009160.msg><br>
Mon 2005-02-28 10:34:12: [-1:2194:9] From: (sender not specified)<br>
.................<br>
...............<br>
<br>
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下面是我收到的邮件的邮件头：<br>
<br>
Return-Path: <><br>
Delivered-To: xxx@sina.com<br>
Received: (qmail 55719 invoked from network); 1 Mar 2005 06:37:57 -0000<br>
Received: from unknown (HELO mydomain.com) (xxx.xxx.xxx.xxx)<br>by 10.43.4.65 with SMTP; 1 Mar 2005 06:37:57 -0000<br>
Received: from() to(xxx@sina.com)<br>
Received: from mycomputer ([192.168.1.123])<br>
(authenticated user my@mydomain.com)<br>
by mydomain.com (mydomain.com [127.0.0.1])<br>
(MDaemon.PRO.v6.8.5.R)<br>
with ESMTP id 54-pd50000000127.tmp<br>
for <xxx@sina.com>; Tue, 01 Mar 2005 14:37:46 +0800<br>
From: =?gb2312?B?fdafgead?= <my@mydomain.com><br>
To: "test List Member" <xxx@sina.com><br>
Subject: [test] fdsa<br>
Date: Tue, 1 Mar 2005 14:37:38 +0800<br>
MIME-Version: 1.0<br>
<br>
<br>
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只是在握手的时候出现from丢失！！！

U-Mail

默认邮件列表只能包含内部用户，如果想随意包涵任意用户，你需要使用私人列表。<br>
目前MD不提供这个功能。UMAIL提供。

seraph

现在的md提供此功能吗？