Protected headers in notmuch

[David Bremner]

Daniel Kahn Gillmor <dkg at fifthhorseman.net> writes:

> Traditionally, encrypted and signed e-mail covers only the body of the
> message.  New standards are emerging that are capable of protecting
> the headers as well.  In particular, Enigmail and an upcoming version
> of K-9 mail both use the "Memory Hole" approach to encrypt the
> Subject: header when sending encrypted mail.  It is awkward to receive
> encrypted messages from those clients with notmuch, because all
> notmuch sees is "Subject: Encrypted Message"
>

Sorry about the long pause, I finished reviewing the last 3 patches in
the series and have no further comments.

d