shipped, unused

A system that blocks spam at the source

Their argument was that working out where spam came from does nothing to stop it arriving, so they built a system that prevents it at the source instead. Made it available. Nobody used it and nobody cared. It still works well for them personally.

Told by Lk7Of3vfJS2n on Hacker News, 8 Jul 2023. Retold here in our words, with some of theirs kept; the original is linked above.

Written by them, summarised by us, and linked back. Ask us to take it down and we will, no questions.