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Re: tmda: Challenge-response is fundamentally broken



On Wed, Aug 27, 2003 at 02:54:43PM +0300, Lars Wirzenius wrote:
> TDMA seems to hurt innocent outsiders by sending them mail (e.g., in
> response to garbage sent by viruses or spammers). The other examples you
> gave (Emacs, Gnome, CUPS) don't do that, as far as I know. The
> difference is important, I think.

Every MTA is sending bounces to mails with forged headers.

Greetings
Bernd
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