Simon Willison’s Weblog

Using encryption and digital signatures in Mail (via) I’m still considering switching to Mail.app from Thunderbird

Posted 5th February 2004 at 6:27 am

Recent articles

LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025
Qwen3-4B-Thinking: "This is art - pelicans don't ride bikes!" - 10th August 2025
My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025

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