发信时,有两个地址总是<br>
<br>
The recipient xxx@xxx.com had permanent fatal errors.<br>
While talking to 161.58.18.5:<br>
554 denied by xbl-spamhaus<br>
<br>
偶到<a target=_blank href=http://www.spamhaus.org/>http://www.spamhaus.org/</a>去查161.58.18.5,又说没有被BLOCK掉。怎么回事?要找偶这里的邮件供应商还是对端的邮件供应商?