Email delivery error

Posted by Tim on Server Fault See other posts from Server Fault or by Tim
Published on 2011-04-02T15:34:20Z Indexed on 2012/10/02 3:41 UTC
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I sent an email, but immediately got a reply saying:

Final-Recipient: rfc822;[email protected]
Action: failed
Status: 5.0.0 (permanent failure)
Diagnostic-Code: smtp; 5.1.2 - Bad destination host 'DNS Hard Error looking up smtpint.xxx.edu (MX):  NXDomain' (delivery attempts: 0)

I was wondering

  1. what this error report means,
  2. where in the delivery route the error happened,
  3. who should be contacted to solve this issue and how to solve it?

Thanks and regards! I also appreciate if someone can explain a bit more about the mechanism behind the email delivery.

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