Spam fighting tools
Fraser Campbell
fraser-eicrhRFjby5dCsDujFhwbypxlwaOVQ5f at public.gmane.org
Tue Apr 6 14:38:58 UTC 2004
On Tuesday 06 April 2004 06:19, Walter Dnes wrote:
> The concept of the "automatically generated challenge" in the form of
> a DSN (i.e. bounce message) is getting an *EXTREMELY* bad reception on
> nanae and spamfighting mailing lists. It's considered equivalent to the
> "you sent us a virus" notification. Spammers and viruses both forge
> "From:" *AND* envelope-sender. On the other hand, if you send a 5XX
> reject at the SMTP transaction, that's OK, because it doesn't contribute
> to mailbombing innocent third-parties.
Unless I'm missing something the 5xx would still result in a message going to
the forged sender address.
--
Fraser Campbell <fraser-Txk5XLRqZ6CsTnJN9+BGXg at public.gmane.org> http://www.wehave.net/
Georgetown, Ontario, Canada Debian GNU/Linux
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