Workaround for Exchange-corrupted PGP/Mime structure

[Ralph Seichter]

* Carl Worth:

> What would anyone think about a workaround where notmuch-emacs could
> grub around inside a "multipart/mixed" structure looking for child
> parts that look like they really should have been a part of a
> "multipart/encrypted" container?

Personally, I see no reason to spend any effort in Notmuch to fix
whatever Exchange has screwed up this week. Microsoft has more than
enough resources to clean up their own messes, don't you think?

-Ralph