Simon Willison’s Weblog

Justin Mason: more on social whitelisting with OpenID. The author of spam assassin warns that whitelist-based trust networks are a lot harder than they look.

Posted 26th January 2007 at 1:02 am

Recent articles

Deep Blue - 15th February 2026
The evolution of OpenAI's mission statement - 13th February 2026
Introducing Showboat and Rodney, so agents can demo what they’ve built - 10th February 2026

openid 213 social-whitelisting 4 spamassassin 1

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