公司邮箱发送邮件到hotmail失败,提示550 SC-002 (SNT0-MC4-F13) Unfortunately的解决方法

近日公司邮箱收发hotmail时出现问题,,
下面是日志记录

ed 2013-11-13 11:20:31: ----------
****************
Wed 2013-11-13 11:24:22: <-- 250-8bitmime
Wed 2013-11-13 11:24:22: <-- 250-BINARYMIME
Wed 2013-11-13 11:24:22: <-- 250-CHUNKING
Wed 2013-11-13 11:24:22: <-- 250-AUTH LOGIN
Wed 2013-11-13 11:24:22: <-- 250-AUTH=LOGIN
Wed 2013-11-13 11:24:22: <-- 250 OK
Wed 2013-11-13 11:24:22: --> MAIL From:<mis@sh****ine.com> SIZE=1050
Wed 2013-11-13 11:24:22: <-- 550 SC-002 (SNT0-MC4-F53) Unfortunately, messages from 125.93.86.40 weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshoot
Wed 2013-11-13 11:24:22: --> QUIT
Wed 2013-11-13 11:24:22: Socket connection closed by the other side (how rude!)
Wed 2013-11-13 11:24:22: SMTP session terminated (Bytes in/out: 701/79)
Wed 2013-11-13 11:24:22: ----------


从上面日志可以看出 hotmail 发送一个550 SC-002 (SNT0-MC4-F53) 的错误


https://support.msn.com/eform.aspx?productKey=edfsmsbl2&ct=eformts 通过这个页面递交申请
后对方说
We have information indicating suspicious/abusive email sending behavior from IP
(125.*.*.40):
Time of abuse: 10/28/2013 5:15:56 AM
Total RCPT To commands sent: 1012.00
Total email Sent: 6.00
Because of the large difference in recept to commands versus email sent, this IP has been flagged for Namespace Mining. Outlook.com is blocking (or filtering) all email sent from this IP.

然后 邮件服务器mdaemon 13 已安装了antivirus ,并开启了爆发保护才解决问题