为什么outlookexpress 发不出email呢?信息

The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was sdfs@asd.com'. Subject 'questions', Account: 'imap.xxx.edu (1)', Server: 'smtp.xxx.edu', Protocol: SMTP, Server Response: '550 ... Relaying denied', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79

接受时没问题,发到我自己的信箱里也没问题,发到本学校的email adress都没问题。
那位expert知道是什么问题啊?

所有跟帖: 

发到非本学校的email adress的统统被拒,为什么? -气死人了。- 给 气死人了。 发送悄悄话 (0 bytes) () 10/08/2005 postreply 20:42:41

school blocked smtp port:25 -blkJunkMai- 给 blkJunkMai 发送悄悄话 (77 bytes) () 10/09/2005 postreply 04:16:48

I changed it already. but 3xs. -iwillcall- 给 iwillcall 发送悄悄话 (0 bytes) () 10/09/2005 postreply 08:25:52

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