Flutterby™! : "Trust us, we're from the NSA"

Haven't got your fill of techno-babble about privacy and security: Forbes: Former NSA Security Architect Pushes Email Encryption For The Masses:

Will Ackerly’s primary focus with the NSA was developing technology to protect data. “After my experience at NSA I really gained an appreciation for how hard it was for people to protect their data and an acute awareness that there’s a lack of tools out there for individuals to be able to protect their data.”

The product is Virtru, I don't see any source code links on their web page. So, yeah: Do you trust the NSA to make your email secure?