Yes, it’s vibe coded, but IT WORKS. This is something I was looking for since a while. Unfortunately, the process of creating a oauth app is tedious.

Index your Gmail account to a SQLite DB and play with the data. - marcboeker/gmail-to-sqlite

Oh, great, there’s an RFC, that’s awesome.

Maybe Gmail will just switch to that and no milters will be necessary?

Google.

To use Postmaster Tools, you need to have a Google Account

Isn’t that kinda fucked up?! The whole point of running an email server is to not have to have a Google Account!

A browser extension for Gmail from the co-founder of Google Inbox that boosts productivity, strengthens privacy, and reduces️ stress. Your time and attention matter.

If you're ready to start using Google alternatives, this guide will provide you with all your options. We cover alternatives for every Google product.

Backup and restore your gmail account at will.