I use the stock macOS Mail app to pull down Gmail etc, and its backing data store should be hackable, it’s all in sqlite3 DBs (although I just tried and I get

I use the stock macOS Mail app to pull down Gmail etc, and its backing data store should be hackable, it’s all in sqlite3 DBs (although I just tried and I get authorization errors trying to work with them! Bet it’s SIP). I was thinking either a standalone CLI or something in emacs.