On Sat, 2 Aug 2003, Lars Hansson wrote:
>
> What you can do, if your mailserver supports it, is to block email
> with empty envelope sender that has multiple recipients. A valid
> bounce never have more than one recipient.

Incorrect. If a message is sent from a role address that goes to more than
one person (e.g. a mailing list's moderator alias), or if the sender of
the message has a .forward file with multiple destinations, then the
bounce may end up with multiple recipients.

-- 
Tony Finch  <[EMAIL PROTECTED]>  http://www.cus.cam.ac.uk/~fanf2/
    Mail Support, University of Cambridge Computing Service
     New Museums Site, Pembroke Street, Cambridge, CB2 3QH



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