Re: [Asrg] [IP] 4 Rivals Almost United on Ways to Fight Spam

["Alan DeKok" <aland at ox.org>]

"Peter J. Holzer" <hjp-asrg at hjp.at> wrote:
> I believe you misunderstood Markus: The Recipient's MTA should block
> (reject) the message instead of accepting it and then send it to
> /dev/null (or worse, bounce). If the recipient's MTA rejects the
> message, it is the sender's MTA who has the responsibility of informing
> the sender of the failure.

  It's difficult for the recipient to do this.  The mail may be
rejected or discarded by filters at the final destination, and that
information never makes it back to the sender.

  Lack of negative feedback is a contributing factor to spam.

  Alan DeKok.


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