yahoo邮件问题

lifeng521

各位大侠,小弟公司的邮件是自己管理的,但是有段时间一律[email=yahoo.com.tw/@sina.com/@hotmail.com]yahoo.com.tw/@sina.com/@hotmail.com[/email]等的邮件都无法发送,半个小时左右就会收到对方退信,前任网管说我们的IP在他们的垃圾邮件IP段内.还有个朋友说,需要电信反向解析.我们的IP是58.211.29.***/服务器是Cmail server
在线求解.谢谢

tdk

需要日志等更具体信息

lifeng521

[2009-06-12 09:32:35] INTERNET send mail [2 times] from <mis@***.com.cn> to <lifeng5300@sina.com> FAILED: 550 Rejected due to the sending MTA's poor reputation. Please refer http://mail.sina.com.cn/help2/rwmail.html: sina.com(mx) -











[2009-06-12 09:35:39] INTERNET send mail [3 times] from <mis@jhonsin.com.cn> to <weiwoduzun54@hotmail.com> FAILED: 550 DY-001 Mail rejected by Windows Live Hotmail for policy reasons. We generally do not accept email from dynamic IP's as they are not typically used to deliver unauthenticated SMTP e-mail to an Internet mail server. http://www.spamhaus.org maintains lis: hotmail.com(mx) -
mx2.hotmail.com 5
mx3.hotmail.com 5
mx4.hotmail.com 5
mx1.hotmail.com 5

lifeng521

这个就是日志信息,TDK老大给帮下忙

tdk

FAILED: 550 DY-001 Mail rejected by Windows Live Hotmail for policy reasons. We generally do not accept email from dynamic IP's as they are not typically used to deliver unauthenticated SMTP e-mail to an Internet mail server. http://www.spamhaus.org maintains lis: hotmail.com(mx)