邮件收发不正常,该如何解决

邮件收发不正常
我们公司邮件收发不正常,不知道是什么原因.发邮件是正常的,就收邮件不正常.我们用是FoxMail收发的.在WEB是正常的,下面是邮箱错误日志.
有人知道是原因吗?麻烦你们告诉我一下,公司急需解决..谢谢!!!!

Mar 11 09:12:57 2008 - 1205197977 Child 94902: error: password was wrong (116.228.33.206)
Mar 11 09:17:24 2008 - 1205198244 Child 96622: error: password was wrong (116.228.33.206)
Mar 11 09:17:25 2008 - 1205198245 Child 96622: error: no such domain (116.228.33.206)
Mar 11 09:17:25 2008 - 1205198245 Child 96622: error: incorrect state (116.228.33.206)
Mar 11 09:17:31 2008 - 1205198251 Child 96359: error: password was wrong (116.228.33.206)
Mar 11 09:17:32 2008 - 1205198252 Child 96359: error: no such domain (116.228.33.206)
Mar 11 09:17:32 2008 - 1205198252 Child 96359: error: incorrect state (116.228.33.206)
Mar 11 09:26:52 2008 - 1205198812 Child 99678: error: password was wrong (116.228.33.206)
Mar 11 09:40:57 2008 - 1205199657 Child 5233: error: password was wrong (116.228.33.206)
Mar 11 09:41:15 2008 - 1205199675 Child 5324: error: password was wrong (116.228.33.206)
Mar 11 09:41:32 2008 - 1205199692 Child 5347: error: password was wrong (116.228.33.206)
Mar 11 09:41:36 2008 - 1205199696 Child 5323: error: password was wrong (116.228.33.206)
Mar 11 09:41:51 2008 - 1205199711 Child 5250: error: password was wrong (116.228.33.206)
Mar 11 09:41:59 2008 - 1205199719 Child 5521: error: password was wrong (116.228.33.206)
Mar 11 09:42:05 2008 - 1205199725 Child 5521: error: password was wrong (116.228.33.206)
Mar 11 09:42:13 2008 - 1205199733 Child 5516: error: no such user (116.228.33.206)
Mar 11 09:43:04 2008 - 1205199784 Child 5609: error: no such user (116.228.33.206)
Mar 11 09:45:10 2008 - 1205199910 Child 6259: error: no such user (116.228.33.206)
Mar 11 09:46:28 2008 - 1205199988 Child 7007: error: no such user (116.228.33.206)
Mar 11 09:48:03 2008 - 1205200083 Child 7574: error: no such user (116.228.33.206)
Mar 11 09:52:51 2008 - 1205200371 Child 9469: error: no such user (116.228.33.206)
Mar 11 09:53:58 2008 - 1205200438 Child 9683: error: no such user (116.228.33.206)
 
 
Mar 11 13:00:05 2008 - 1205211605 Child 72326: error: incorrect state (116.228.33.206)
Mar 11 13:00:06 2008 - 1205211606 Child 72326: error: no such user (116.228.33.206)
Mar 11 13:00:07 2008 - 1205211607 Child 72326: error: incorrect state (116.228.33.206)
Mar 11 13:00:08 2008 - 1205211608 Child 72432: error: no such domain (116.228.33.206)
Mar 11 13:00:08 2008 - 1205211608 Child 72432: error: incorrect state (116.228.33.206)
Mar 11 13:00:09 2008 - 1205211609 Child 72432: error: no such user (116.228.33.206)
Mar 11 13:00:10 2008 - 1205211610 Child 72432: error: incorrect state (116.228.33.206)
Mar 11 13:00:18 2008 - 1205211618 Child 72432: error: no such domain (116.228.33.206)
Mar 11 13:00:22 2008 - 1205211622 Child 72432: error: incorrect state (116.228.33.206)
Mar 11 13:00:26 2008 - 1205211626 Child 72432: error: no such user (116.228.33.206)
Mar 11 13:00:30 2008 - 1205211630 Child 72432: error: incorrect state (116.228.33.206)
Mar 11 13:00:32 2008 - 1205211632 Child 72527: error: no such domain (116.228.33.206)
Mar 11 13:00:32 2008 - 1205211632 Child 72527: error: incorrect state (116.228.33.206)
Mar 11 13:00:33 2008 - 1205211633 Child 72527: error: no such user (116.228.33.206)
Mar 11 13:00:34 2008 - 1205211634 Child 72527: error: incorrect state (116.228.33.206)


------解决方案--------------------
不是密码错就是无此用户，如果确信密码没问题，也许要抓包才知道