exchange mail server不能发送邮件到hotmail 雅虎

fengyedanlin

server是Windows2003，exchange server 是2003，公司的公网ip地址，域名ip地址更改后不能发送到hotmail.雅虎，报下面的错误，请大家帮助。谢谢！！！！
-----Original Message-----
From: 系统管理员 [mailto:Administrator@xxxxxxxx.com.cn]
Sent: Monday, March 15, 2010 10:36 AM
To: xxxx
Subject: 未送达: 测试

Your message


To:      xxxxxxx@hotmail.com

Subject: 测试

Sent:
Mon, 15 Mar 2010 10:35:34 +0800

did not reach the following recipient(s):

xxxxx@hotmail.com on Mon, 15 Mar 2010 10:35:47 +0800
    收件人电子邮件服务器出现 SMTP 通信问题。请与系统管理员联系。

<xxxxxx.xxxxxx.com.cn #5.5.0 smtp;550 DY-002 Mail rejected by Windows Live Hotmail for policy reasons. The likely cause is a compromised or virus infected server/personal computer. If you are not an email/network admin please contact your E-mail/Internet Service Provider for help.
Email/network admins, please visit http://postmaster.
live.com for email delivery information and support>

tdk

只改了Ip？
看看dns对应spf和反解是否修改了