Mdaemon 10.0.3 收到的邮件无故消失

sushunnong

以下是从all copy出来的:
服务器收到的相关日志:
Mon 2014-04-07 16:12:58: *  From: user1@domain1.com.hk; Recipient: user2@domain2.com.cn
Mon 2014-04-07 16:12:58: *  Subject: =?big5?B?TGVhZGVyc2hpcCBTdHJhdGVneSAtIEhvdyB0byBVc2UgRWZmZWN0aXZlIKGlUA==?= =?big5?B?ZXJmb3JtYW5jZSBBcHByYWlzYWyhpiB0byBNb3RpdmF0ZSBTdGFmZg==?=
Mon 2014-04-07 16:12:58: *  Message-ID: <004901cf5238$c49a5a90$4dcf0fb0$@cheng@domain1.com.hk>
Mon 2014-04-07 16:12:58: *  大小：77330; 邮件：d:\mdaemon\users\domain2.com.cn\user2\md50000024900.msg

客户用pop3收取的日志：
Mon 2014-04-07 17:08:04: Sending <D:\MDAEMON\Users\domain2.com.cn\user2\md50000024901.msg> to [203.145.79.33]
Mon 2014-04-07 17:08:05: Transfer Complete
Mon 2014-04-07 17:08:08: <-- RETR 2
Mon 2014-04-07 17:08:08: --> +OK 33143 octets
Mon 2014-04-07 17:08:08: Sending <D:\MDAEMON\Users\domain2.com.cn\user2\md50000024899.msg> to [203.145.79.33]
Mon 2014-04-07 17:08:10: Transfer Complete
Mon 2014-04-07 17:08:11: <-- RETR 1
Mon 2014-04-07 17:08:11: --> +OK 19374 octets
Mon 2014-04-07 17:08:11: Sending <D:\MDAEMON\Users\domain2.com.cn\user2\md50000024898.msg> to [203.145.79.33]
Mon 2014-04-07 17:08:11: Transfer Complete

不知md50000024900.msg何故消失了,以这为关键字搜索整个all日志，并没发现有其它进程处理过的，另外没有人会动过服务器。。