“Mozilla will never sell user data” was also a promise.

Good to know. I was wondering if this would happen and what I would do about it. Somehow the Thunderbird team seems to work completely independent from Mozilla. They also make quite good money from donations, so there is less of a reason to search for additional revenue.

Wasn’t sure if there were better places to post this, feel free to cross-post if you know other fitting communities :)

That’s a relief.