MDaemon 的发送邮件错误，怎么解释？为什么出现这种错误？

sylmdl

--- Session Transcript ---
Thu 2007-07-05 12:09:03: Parsing Message <xxxxxxxxxxxxxxxxxxxxxxxx\pd50000000062.msg>
Thu 2007-07-05 12:09:03: From: imut1@stu.xxx.xxx.cn  Thu 2007-07-05 12:09:03: To: xxx@hotmail.com  Thu 2007-07-05 12:09:03: Subject: =?gb2312?B?16q3ojpscnkgMjAwNy0wNy0wNS0xMToxMGNsaWVudCBmcm9tIGltdXQx?=
Thu 2007-07-05 12:09:03: Message-ID:
Thu 2007-07-05 12:09:03: 正在进行[hotmail.com]的 MX-记录解析（DNS 服务器：xxx.xxx.xxx.1）...
Thu 2007-07-05 12:09:03: *  P=005 S=000 D=hotmail.com TTL=(4) MX=[mx2.hotmail.com] {65.54.244.168}  Thu 2007-07-05 12:09:03: *  P=005 S=001 D=hotmail.com TTL=(4) MX=[mx3.hotmail.com] {65.54.244.200}  Thu 2007-07-05 12:09:03: *  P=005 S=002 D=hotmail.com TTL=(4) MX=[mx4.hotmail.com] {65.54.245.104}  Thu 2007-07-05 12:09:03: *  P=005 S=003 D=hotmail.com TTL=(4) MX=[mx1.hotmail.com] {65.54.244.8}  Thu 2007-07-05 12:09:03: *  P=005 S=004 D=hotmail.com TTL=(4) MX=[mx1.hotmail.com] {65.54.244.136} multi-homed  Thu 2007-07-05 12:09:03: *  P=005 S=005 D=hotmail.com TTL=(4) MX=[mx1.hotmail.com] {65.54.245.8} multi-homed  Thu 2007-07-05 12:09:03: *  P=005 S=006 D=hotmail.com TTL=(4) MX=[mx2.hotmail.com] {65.54.245.40} multi-homed  Thu 2007-07-05 12:09:03: *  P=005 S=007 D=hotmail.com TTL=(4) MX=[mx2.hotmail.com] {65.54.244.40} multi-homed  Thu 2007-07-05 12:09:03: *  P=005 S=008 D=hotmail.com TTL=(4) MX=[mx3.hotmail.com] {65.54.245.72} multi-homed  Thu 2007-07-05 12:09:03: *  P=005 S=009 D=hotmail.com TTL=(4) MX=[mx3.hotmail.com] {65.54.244.72} multi-homed  Thu 2007-07-05 12:09:03: *  P=005 S=010 D=hotmail.com TTL=(4) MX=[mx4.hotmail.com] {65.54.244.104} multi-homed  Thu 2007-07-05 12:09:03: *  P=005 S=011 D=hotmail.com TTL=(4) MX=[mx4.hotmail.com] {65.54.244.232} multi-homed  Thu 2007-07-05 12:09:03: Attempting MX: P=005 S=000 D=hotmail.com TTL=(4) MX=[mx2.hotmail.com] {65.54.244.168}  Thu 2007-07-05 12:09:03: 试图 SMTP 连接到 [65.54.244.168 : 25]  Thu 2007-07-05 12:09:03: 等候连接...
Thu 2007-07-05 12:09:04: 已建立连接 (xxx.207.xx.135 : 3847 -> 65.54.244.168 : 25)  Thu 2007-07-05 12:09:04: 等待协议初始化...
Thu 2007-07-05 12:09:07: <-- 220 bay0-mc1-f15.bay0.hotmail.com Sending unsolicited commercial or bulk e-mail to Microsoft's computer network is prohibited. Other restrictions are found at http://privacy.msn.com/Anti-spam/. Violations will result in use of equipment located in California and other states. Wed, 4 Jul 2007 21:12:41 -0700  Thu 2007-07-05 12:09:07: --> EHLO stu.xxx.xxx.cn  Thu 2007-07-05 12:09:07: <-- 250-bay0-mc1-f15.bay0.hotmail.com (3.3.3.1) Hello [xxx.207.xx.135]  Thu 2007-07-05 12:09:07: <-- 250-SIZE 29696000  Thu 2007-07-05 12:09:07: <-- 250-PIPELINING  Thu 2007-07-05 12:09:07: <-- 250-8bitmime  Thu 2007-07-05 12:09:07: <-- 250-BINARYMIME  Thu 2007-07-05 12:09:07: <-- 250-CHUNKING  Thu 2007-07-05 12:09:07: <-- 250-AUTH LOGIN  Thu 2007-07-05 12:09:07: <-- 250-AUTH=LOGIN  Thu 2007-07-05 12:09:07: <-- 250 OK  Thu 2007-07-05 12:09:07: --> MAIL From:<imut1@stu.xxx.xxx.cn> SIZE=427115  Thu 2007-07-05 12:09:08: <-- 250 imut1@stu.imut.edu.cn....Sender OK  Thu 2007-07-05 12:09:08: --> RCPT To:<suya_su@hotmail.com>  Thu 2007-07-05 12:09:08: <-- 250 xxx@hotmail.com  Thu 2007-07-05 12:09:08: --> DATA  Thu 2007-07-05 12:09:09: <-- 354 Start mail input; end with <CRLF>.<CRLF>  Thu 2007-07-05 12:09:09: 正在发送 <c:\mdaemon\queues\remote\pd50000000062.msg> 到 [65.54.244.168]  Thu 2007-07-05 12:09:41: Winsock Error 10054 连接被另一端重置！
Thu 2007-07-05 12:09:41: 写入套接字错误
Thu 2007-07-05 12:09:41: 此邮件已经过了 61 分；在这个队列还剩 0 分
Thu 2007-07-05 12:09:41: 远程队列生命期已超过；邮件放到重试队列
--- End Transcript ---