>So, actually, Proton COULD read your email (IFF you use webmail).
The authorities can also read your self-hosted email if they had a warrant to search your house. Even if you enable FDE they can do a cold boot attack.
The authorities can also read your self-hosted email if they had a warrant to search your house. Even if you enable FDE they can do a cold boot attack.
I'd count that up as a hypothetical win of the self-hosted main in your own location.
If you are Dr. Evil, OTOH, other calculi apply.
tl;dr they pull the decryption keys from your computer while it's still running, which of course it is because your mail server has to be up 24/7.
How would one access it if one needed to do config changes or, really, anything the server for legitimate purposes?
Mail transfer can tolerate multi-hour interruptions. Imagine the drama if it couldn't!