邮件能任发且收，但只是sohu不能收，有LOG

cxhfinal

你可以给21cn,163.com发带附件的mail么?我在changeip.com上面申请的免费域名,给sohu,163收发不带附件的邮件都可以,发带附件的邮件给163就被退回,收到:<br>
<br>
The attached message had PERMANENT fatal delivery errors!<br>
<br>
After one or more unsuccessful delivery attempts the attached message has<br>
been removed from the mail queue on this server. The number and frequency<br>
of delivery attempts are determined by local configuration parameters.<br>
<br>
YOUR MESSAGE WAS NOT DELIVERED TO ONE OR MORE RECIPIENTS!<br>
<br>
Failed address: c****@163.com<br>
<br>
: Message contains [1] file attachments<br>
<br>
给gmail发带附件的邮件没问题,给hotmail发带附件的mail,则放到了垃圾邮件里面<br>