On Fri, Nov 14, 2003 at 12:26:33PM -0500, Charles Gregory is rumored to have said:
> 
> Another spam today, with the infamous empty return path.
> (Return-Path: <>)
> 
> But I didn't see any test that was catching this. Is there something
> legitimate about an empty return path that makes it a bad test?

Bounce messages sent by daemons use a blank address, as required by RFC 2821:

  "One way to prevent loops in error reporting 
  is to specify a null reverse-path in the MAIL 
  command of a notification message. When such 
  a message is transmitted the reverse-path 
  MUST be set to null."



St-


> 
> - Charles
> 
> 
> 
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