Simon Willison’s Weblog

29th January 2007 - Link Blog

undisposable.org. A free Web Service for checking if an address is likely to come from a disposable e-mail service. It’s the anti-Mailinator!

Posted 29th January 2007 at 3:49 am

Recent articles

Notes on the xAI/Anthropic data center deal - 7th May 2026
Live blog: Code w/ Claude 2026 - 6th May 2026
Vibe coding and agentic engineering are getting closer than I'd like - 6th May 2026

This is a link post by Simon Willison, posted on 29th January 2007.

mailinator 3 undisposable 1 webservice 3

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe