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Re: Domain spoofing - was Re: [anti-spam-wg@localhost] I wrote a spam filter in Perl


On Wed, Oct 08, 2003 at 01:51:09PM +0200, pna.lists wrote:
> Shouldn't we start implementing SPF?
> http://yro.slashdot.org/article.pl?sid=03/10/06/0044200
> http://spf.pobox.com/

SPF sucks.

It totally breaks forwarding. The idea to put in routing information
to deliver bounces will bring us back to the last century and it IMHO
doesn't make a difference if I use

    maex%space.net%some.example.com%another.example.com@localhost
or
  maex#space.net-maex#some.example.com-maex#another.example.com@localhost

it tosses the relay door for spammers wide open again.

	\Maex

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