Posteo is an independent email service based in Berlin, that is highly focused on privacy, security, sustainability and usability. It is completely ad-free and 100% powered by green energy from Greenpeace Energy.
CounterMail keeps your online communications private and secure. Each email is uniquely encrypted before it leaves your computer. A CounterMail account lets you communicate in security with any other OpenPGP-compatible email user anywhere in the world. They accept cryptocurrency payments