Didn't know about them before, looks interesting. I've managed to find their site - https://tutanota.com https://tutanota.com - even though I was searching for

Didn't know about them before, looks interesting. I've managed to find their site - https://tutanota.com https://tutanota.com - even though I was searching for Tutanova (should have just used copy & paste. The name is indeed not easy to remember... A few questions remain: * How do they 'encrypt emails to anybody'? * Where do they encrypt - locally or on the server?