#4.0.0 smtp

ningchaoqun

各位高手:
      你们好!
     我发邮件时（服务器端Win Svr 2k3+Exchange 2k3，客户端Ms Outlook 2k3）发邮件时会有以下信息提示,望指教.谢谢!
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Your message did not reach some or all of the intended recipients.
      Subject: test
      Sent: 2009-7-15 14:41
The following recipient(s) could not be reached:
      bpeiffer on 2009-7-16 2:48
            The e-mail system was unable to deliver the message, but did not report a specific reason.  Check the address and try again.  If it still fails, contact your system administrator.
            <exchangedmz.dmzltsglobsun.local #4.0.0 smtp;450 <bpeiffer@dolfinapparel.com>: Recipient address rejected: Valid DNS required on connecting IP (210.176.60.228) [0L5RD8GR2900]>

钉子

Recipient address rejected: Valid DNS required on connecting IP (210.176.60.228) [0L5RD8GR2900]>
--- IP地址的反向DNS解析不正常,所以被拒绝了.解决办法是加