You can absolutely use monero without converting it to other currency. You just haven’t looked in right places. Of course you can’t buy a loaf of bread with it, but you cannot use gold either, neither can you rent a server with something like mongolian togrog, yet, they’re all still valid forms of currency.
No, I’m Belarusian.
This. The best you can do is encrypt your messages locally before sending. But then your email service provider still knows where you are, when and to whom you are sending the message to, and how long is it. And so does the recepient’s email provider and anyone in between. Best they can do is to promise not to keep that data. But it’s just that - a promise, which there is no way to verify.
migadu.com still works greta for my private domain. $19/yr plus whatever the domain costs ($1.90 in my case)