Undelivered – 5.1.0 Address rejected
最近在做一个<a href="http://zh.wikipedia.org/wiki/DKIM">DKIM</a>相关的项目。有用户的邮件无法接收。OUTLOOK返回如下错误信息： This message was created automatically by the mail system. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: >>> [email protected] (Undelivered): 550 #5.1.0 Address rejected >>> [email protected] 查询了一下，发现错误代码 5.1.0表示Exchange服务器无法在目录找到相应邮件地址，因此拒绝递送相关邮件，这个错误和DKIM本身没有任何关系。 详情请参阅微软相关文档： http://support.microsoft.com/kb/284204
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