[求助]各位高人帮忙啊。。

gas2000

用WINWEBMAIL配了一个，用FOXMAIL可以正常发信，但用程序发就提示下面的错误：（程序正常，用163SMTP就可以发信）<br>
<br>
Trying to 202.107.251.*:25 <br>
220 ESMTP on WinWebMail [3.6.3.1] ready. <a target=_blank href=http://www.winwebmail.com>http://www.winwebmail.com</a> <br>
Connected to relay host 202.107.251.* <br>
> HELO 202.107.251.* <br>
250 HELO <br>
> AUTH LOGIN dmlwQDIwMi4xMDcuMjUxLjEy <br>
502 Error: command not implemented <br>
Error: Remote host returned "502 Error: command not implemented" <br>
Error: Error occurred while sending HELO command. <br>
Error: Cannot send email to <br>
Disconnected from remote host <br>
<br>
请问各位高人这是什么地方没有设置好啊？？？？<img src="../leadbbsfile/UBBicon/em12.GIF" width=20 height=20 align=absmiddle border=0>