不能向HOTMAIL和YAHOO发送邮件的问题

feelfox

收发163 新浪等邮箱正常。YAHOO和HOTMAIL不行，只能收不能发。
telnet mx1.hotmail.com 25 的结果如下：
220 bay0-mc9-f23.bay0.hotmail.com Sending unsolicited commercial or b
to Microsoft's computer network is prohibited. Other restrictions are
ttp://privacy.msn.com/Anti-spam/. Violations will result in use of eq
ated in California and other states. Sun, 30 Nov 2008 16:05:14 -0800
发送给YAHOO邮件
路由日志：2008-11-28 10:53:44   Router: Failed to connect to SMTP host YAHOO.COM.CN because SMTP Protocol Returned a Permanent Error
2008-11-28 11:28:31   Router: No messages transferred to YAHOO.COM.CN (host mta-v1.mail.vip.cnb.yahoo.com) via SMTP: SMTP Protocol Returned a Permanent Error
退信内容：
Router: Failed to connect to SMTP host YAHOO.COM.CN because : SMTP Protocol Returned a Permanent Error
发送给HOTMAIL邮件
路由日志：
Router: Transferring mail to domain LIVE.COM (host mx2.hotmail.COM [65.54.245.40]) via SMTP
2008-12-01 08:02:58   Router: No messages transferred to LIVE.COM (host mx2.hotmail.COM) via SMTP
2008-12-01 08:03:02   Router: Error transferring message 00004134 via SMTP to mx4.hotmail.COM,mx1.hotmail.COM,mx2.hotmail.COM,mx3.hotmail.COM  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 l
退信内容：
Error transferring to mx2.hotmail.COM; SMTP Protocol Returned a Permanent Error 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 unauthenticat
我做了SPF，而且查询了RBL等黑名单，我都在不在里面。
但是还是不能发送。

neil.fu

十大难发运营商就是难发送，和我联系，我会给您解决所有外发退信的！

feelfox

请问是免费的么？

zw-cmail

应该是收费的