PrioMailbox

Rated 5 out of 5 stars

by Alex R on Avq. 22, 2025 · permalink

This feels like it should be a Thunderbird feature, so it's great to have an extension for it! With a bit of work and some saved search folders, you can replicate the mail categorisation features seen in modern mail clients. It's much easier than attempting to do it manually using message filters.