标题: 退信#5.5.0 smtp;550 currently not permitted to relay [打印本页] 作者: levi_qian 时间: 2007-8-14 15:01 标题: 退信#5.5.0 smtp;550 currently not permitted to relay 退信信息如下,是什么问题啊? 被当作垃圾邮件了?
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<mail.abc.com #5.5.0 smtp;550-mail.abc.com [210.13.111.50]:20382 is currently not permitted to relay>作者: 砸锅卖铁 时间: 2007-8-14 15:36
退信的意思是不允许中继，如果DNS解析没出问题的话，就联系对方Exchange管理员