http://www.spamhaus.org/lookup.lasso 查询邮件服务器 ip
返回结果:
x.x.x.x is not listed in the SBL
x.x.x.x is listed in the PBL , in the following records:
x.x.x.x is not lis ted in the XBL
x.x.x.x是我邮件服务器ip
点击 PBLxxxxxxxx 这个链接往下解除这个ip地址就行了