Simon Willison’s Weblog

5th February 2007 - Link Blog

SMTP Service Extension for Yadis Discovery. Could potentially let you use your e-mail address as an OpenID, although personally I wouldn’t always want to hand my address over to third-party sites.

Posted 5th February 2007 at 9:44 am

Recent articles

Anthropic's Project Glasswing - restricting Claude Mythos to security researchers - sounds necessary to me - 7th April 2026
The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026

This is a link post by Simon Willison, posted on 5th February 2007.

dmitryshechtman 1 email 35 identity 14 openid 213 yadis 3

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