求助关于loop的问题【问题已解决】

搭建基于postfix+cyrus-sasl+qpopper服务器。
发送到外网被视为垃圾邮件，并且出现loop（warning: mailer loop: best MX host for iXXX.com is local）
请教解决的方法，需要更详细的资料请告诉我，我帖上来。

以下是我的maillog:
Jul 11 22:35:40 localhost postfix/postfix-script: refreshing the Postfix mail system
Jul 11 22:35:46 localhost postfix/smtpd[2022]: connect from localhost.localdomain[127.0.0.1]
Jul 11 22:36:37 localhost postfix/smtpd[2022]: 8169C126DB0: client=localhost.localdomain[127.0.0.1], sasl_method=login, sasl_username=email
Jul 11 22:36:56 localhost postfix/cleanup[2026]: 8169C126DB0: message-id=<20080711143637.8169C126DB0@mail.xxx.com>
Jul 11 22:36:56 localhost postfix/qmgr[2020]: 8169C126DB0: from=<email@xxx.com>, size=365, nrcpt=1 (queue active)        
Jul 11 22:36:58 localhost postfix/smtp[2028]: 8169C126DB0: to=<xxx@hotmail.com>, relay=mx2.hotmail.com[65.54.245.40], delay=21, status=bounced (host mx2.hotmail.com[65.54.245.40] said: 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 lists of dynamic and residential IP addresses. 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(in reply to MAIL FROM command))
Jul 11 22:36:58 localhost postfix/cleanup[2026]: 28DBB126E12: message-id=<20080711143658.28DBB126E12@mail.xxx.com>
Jul 11 22:36:58 localhost postfix/qmgr[2020]: 28DBB126E12: from=<>, size=3105, nrcpt=1 (queue active)
Jul 11 22:36:58 localhost postfix/smtp[2028]: warning: mailer loop: best MX host for itgodo.com is local
Jul 11 22:36:58 localhost postfix/smtp[2028]: 28DBB126E12: to=<email@xxx.com>, relay=none, delay=0, status=bounced (mail for xxx.com loops back to myself)
Jul 11 22:36:59 localhost postfix/smtpd[2022]: disconnect from localhost.localdomain[127.0.0.1]

有高手可以帮我解决吗？先谢谢！

不如靠自己，解决了。