公司今天突然发现很多用户收邮件超级慢,有的邮件根本就被拒收了,但是之前用的都很正常
上传日志,让大家帮我分析下究竟是哪个地方出了问题!
Wed 2008-10-29 15:15:02: ----------
Wed 2008-10-29 15:20:38: Session 1603; child 3; thread 792
Wed 2008-10-29 15:08:31: 接收 SMTP 来自[202.x.x.x : 52305]的连接
Wed 2008-10-29 15:08:31: --> 220 x.com.cn ESMTP MDaemon 7.2.3; Wed, 29 Oct 2008 15:08:31 +0800
Wed 2008-10-29 15:08:31: <-- EHLO smtp1.hk.net
Wed 2008-10-29 15:08:31: --> 250-x.com.cn Hello smtp1.x.net, 很高兴见到你
Wed 2008-10-29 15:08:31: --> 250-ETRN
Wed 2008-10-29 15:08:31: --> 250-AUTH=LOGIN
Wed 2008-10-29 15:08:31: --> 250-AUTH LOGIN CRAM-MD5
Wed 2008-10-29 15:08:31: --> 250-8BITMIME
Wed 2008-10-29 15:08:31: --> 250 SIZE 100000000
Wed 2008-10-29 15:08:31: <-- MAIL FROM:<sara.x@es.x.com> SIZE=1641644
Wed 2008-10-29 15:08:31: Performing lookup on es.x.com (looking for 202.76.4.11)
Wed 2008-10-29 15:11:31: 180 秒等候 DNS 回复, 时间已到
Wed 2008-10-29 15:11:31: D=es.x.com TTL=(60) A=[203.x.x.xx]
Wed 2008-10-29 15:14:31: 180 秒等候 DNS 回复, 时间已到
Wed 2008-10-29 15:14:31: 垃圾邮件封锁器正在检查 202.x.x.x (正在连接 IP)
Wed 2008-10-29 15:14:31: * sbl-xbl.spamhaus.org - 发送失败
Wed 2008-10-29 15:14:31: * relaywatcher.n13mbl.com - 发送失败
Wed 2008-10-29 15:17:37: * opm.blitzed.org - 被发送
Wed 2008-10-29 15:20:38: * relays.ordb.org - 发送失败
Wed 2008-10-29 15:20:38: * bl.spamcop.net - 发送失败
Wed 2008-10-29 15:20:38: 垃圾邮件封锁器完成
Wed 2008-10-29 15:20:38: --> 250 <x@es.x.com> , 发信人完成。
Wed 2008-10-29 15:20:38: 正在 socket 读取时发生错误!
Wed 2008-10-29 15:20:38: 未预料的 socket 关闭
Wed 2008-10-29 15:20:38: SMTP 连接被终止(字节入/出: 64/260)
Wed 2008-10-29 15:20:38: ----------
为了保护公司信息,将部分的IP和邮件信息以X表示,还请大家谅解!
另外我觉得这个地方非常可疑: Wed 2008-10-29 15:08:31: --> 250 SIZE 100000000
但是邮件很小,所以觉得特别奇怪
而且,很多公司向我们发邮件,并不能当时就能收到,总要延时1个多小时!
我们网速很快的,是10M光迁!
还请各位能帮忙解答!(备注:发邮件正常!) |