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Re: Spammers Skirt IP Authentication Attempts
On Mon, 6 Sep 2004, Tom (UnitedLayer) wrote:
I think SPF is an important step in getting rid of people pretending to be someone else. If you have SPF records, and they match the mail, chances are you are who you say you are.
Not really. For that you need X.509 or PGP and web-of-trust.
Also, SPF doesnt tell you whether it is spam. Indeed, apparently majority of SPF-valid email at moment is spam!
Finding out who you are behind domain records/etc, thats a different story...
SPF is worthless.
Joe-job protection can be done in far better ways, eg SRS.
regards, -- Paul Jakma paul@xxxxxxxx paul@xxxxxxxxx Key ID: 64A2FF6A Fortune: Zombie processes haunting the computer