Simon Willison’s Weblog

The Architecture of Mailinator. 3 million e-mails a day on a 2GHz server with 1GB of RAM.

Posted 7th December 2006 at 3:11 pm

Recent articles

Cooking with Claude - 23rd December 2025
Your job is to deliver code you have proven to work - 18th December 2025
Gemini 3 Flash - 17th December 2025

mailinator 3 scaling 147

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