I think you are obligated to share your entire known hosts file to prove this.

Would you mind educating us plebs then? I had a similar question to op, and I can assure you, I definitely don’t understand local auth services the way I probably should.

It might be worth taking a step back and looking at your objective with all of this and why you are doing it in the first place.

If it’s for privacy, then unfortunately that ship has sailed when it comes to email. It’s the digital equivalent of a post card. It’s inherently not private. Nothing you do will make it private. Even services like proton Mail aren’t private–unless you only email other people on proton.

I appreciate wanting to control your own destiny with it but there are much more productive things you could be spending your time on the improve your privacy surface area.