North American Network Operators Group
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Re: OT? /dev/null 5.1.1 email

  • From: Randy Bush
  • Date: Tue Jul 05 15:43:40 2005 
> Should undeliverable email (5.1.1, User unknown) be directed
> to /dev/null rather than responded to?

one current fashion is to try to catch it as early in the smtp
receipt process as possible and reject the mail to the smtp
sender.  this gives the rejection to the real source as opposed
to the joe job name.

randy