Excerpts:
"If you're not afraid of the NSA, then encryption is good enough. If you are, then the headers in your email leak so much information that you don't really need to decrypt... Study the other headers and there are all sorts of other things that one mailer or another leaks as well as all the servers all along the way. Most importantly, all of this is permanently stored in everyone's email archives which most of us keep lots of. This is what the NSA wants. They want to construct the social graph, the interactions, the timings. This is how they get "chatter." None of this is encrypted. This is why email is broken in ways encryption can't fix..."
Excerpts: "If you're not afraid of the NSA, then encryption is good enough. If you are, then the headers in your email leak so much information that you don't really need to decrypt... Study the other headers and there are all sorts of other things that one mailer or another leaks as well as all the servers all along the way. Most importantly, all of this is permanently stored in everyone's email archives which most of us keep lots of. This is what the NSA wants. They want to construct the social graph, the interactions, the timings. This is how they get "chatter." None of this is encrypted. This is why email is broken in ways encryption can't fix..."