>As soon as my subscription runs out I'm gonna host my own mailserver instead.

I might end up doing the same. I think I'm stubborn enough to pull it off. Personally I got my eye on https://gitlab.com/simple-nixos-mailserver/nixos-mailserver

I've been in the market for a service like protonmail because I'm trying to degoogle. Reading news like this and looking at the price of these services for two accounts has me thinking twice.