« Silent Circle and Lavabit are developing a new way to do email with end-to-end encryption. We welcome like-minded organizations to join our alliance. »
▻http://www.darkmail.info/home.html
Some details in this ArsTechnica paper: ▻http://arstechnica.com/business/2013/10/silent-circle-and-lavabit-launch-darkmail-alliance-to-thwart-e-mail-spy
A very good criticism by the Mailpile people: ▻http://www.mailpile.is/blog/2013-10-31_DarkMail_and_Secure_Protocols.html