They're an American company with an American hosting provider. Only pro accounts use the encrypted email feature set.
Here's Lavabit's whitepaper on their process - pretty standard setup: http://lavabit.com/secure.html
You need to get a paid account then email them to ask them to set it up; there's no web interface to add a domain as you would on eg fastmail.
They're an American company with an American hosting provider. Only pro accounts use the encrypted email feature set.
Here's Lavabit's whitepaper on their process - pretty standard setup: http://lavabit.com/secure.html