Interesting article about NSA facility and capabilities

[David Walters]

On Tue, Mar 27, 2012 at 11:16 AM, Roland Perry
<lists at internetpolicyagency.com> wrote:
> Does anyone encrypt email, SMTP email that is, rather than picking up from
> https://mail.google.com

Yes. As an example the email you sent was encrypted between
chiark.greenend.org.uk and mx.google.com with TLS.

Unless you mean something like PGP encryption of the payload?