Revertron 
OMG as mozilla (thunderbird / FireFox) seems to start cooperation with Meta I am looking for a mail client, free, open source, for Mac OS / iOS and Linux..
Any advice appreciated! 
edit: they started already in 2022: https://news.itsfoss.com/mozilla-meta-facebook/ The latest report was about something with AI. Have to re-search the origin....
It's FOSS News · Everything You Need to Know About Mozilla and Meta (Facebook) Working TogetherI’m sure it is easy to make several assumptions about the story going by the headlines.
Why?
Well, it is Facebook, after all.
Even if it is “Meta” now, it does not change the fact that they were involved in some of the worst privacy practices ever.
If you
