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Re: Spammers Skirt IP Authentication Attempts
On Mon, 6 Sep 2004, Peter Corlett wrote:
I'm an advocate of SPF, but not because it's the magic bullet that stops spam. It does however allow innocent domains to say "no, I didn't send that" and thus avoid the double-bounced backwash from a spammer forging their domain as the sender.
Envelope "cookie" schemes on outbound email, like SRS, can achieve that, far better (*you* know whether the bounce is legit, rather than relying on the bouncer to do the checking) and without the collateral damage of SPF.
regards, -- Paul Jakma paul@xxxxxxxx paul@xxxxxxxxx Key ID: 64A2FF6A Fortune: The American Dental Association announced today that most plaque tends to form on teeth around 4:00 PM in the afternoon.
Film at 11:00.