往sina.com发邮件,<br>
然而我的发送是成功的,<br>
但是有个用户却发送不成功,返回结果是:<br>
<br>
Subject: Delivery Status Notification (Delay)<br>
<br>
<br>
<br>
This is an automatically generated Delivery Status Notification. <br>
<br>
THIS IS A WARNING MESSAGE ONLY. <br>
<br>
YOU DO NOT NEED TO RESEND YOUR MESSAGE. <br>
<br>
Delivery to the following recipients has been delayed. <br>
<br>
<br>
请教大家,这是怎么回事?<br>
要是原因查不出来的话,我的用户就不愿意使用我的邮件服务器了。