Lavabit developer has a new encrypted, end-to-end email protocol

The developer behind Lavabit, an email service that noted leaker Edward Snowden used, is releasing source code for an open-source end-to-end encrypted email standard that promises surveillance-proof messaging.
The code for the Dark Internet Mail Environment (DIME) standard will become available on Github, along with an associated mail server program, said its developer Ladar Levison on Friday.
DIME will work across different service providers and perhaps crucially will be "flexible enough