if "B" is a bounce to message "A", "B" must be sent to "A"'s Return-Path header, and
"B"'s Return-Path header must be set to <>, ("null return path"), meaning that no
bounce can further be done to "B".
So, if you receive a message with
Return-Path: <>
it is a bounce (or some fake email); if Return-Path has a different value it is not a
bounce (unless the bouncer is not following the rules, which happens frequently).
Vincenzo
> -----Original Message-----
> From: Gino Marckx [mailto:[EMAIL PROTECTED]
> Sent: giovedi 12 febbraio 2004 21.18
> To: [EMAIL PROTECTED]
> Subject: Differentiate between bounce and reply
>
>
> Hi,
>
> Is it possible to differentiate between bounces and replies for a mail
> using matchers or mailets? I noticed that bounces are sent to the from
> address instead of the reply-to address, but not really knowing this is
> just a coincidence or according the specs.
> I read that inside a mail, there is yet another address, the envelope
> address, and that address is used to send the bounce to... Now, what
> if I just specify another from and reply-to address for mails send with
> James? Do the bounces go to the from or reply-to, or will they go to
> the envelope addres I can't see? What happens with read-notification
> mails, because I also need to be able to trigger those using a
> mailet...
> This is fairly important for me since I am integrating with James to
> provide robust reporting for an electronic mailing system. And my
> customer rather wants to see his email address in the from and reply,
> instead of some fishy address referring to the mail server of the
> mailing system.
>
> Regards,
> Gino Marckx.
>
>
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