Does the Yahoo! "domain keys" anti-spam measure use PGP?

Ryan Malayter rmalayter at
Fri Dec 12 08:50:04 CET 2003

Yahoo's idea ( seems to be something like a
cryptographically-enhanced SPF ( which would
prevent spammers even from spoofing source IPs, but I haven't seen
details anywhere. Since there's no central PKI mentioned in Yahoo's
proposal, either, I thought they might be using OpenPGP as the signing
method keys. Does anyone know?


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