>> The attached file implements links to mail collections and "searchs"
>> to the notmuch mail client.
>
> I'm not using notmuch myself and I would welcome feedback from notmuch
> Org users.  I would happily add it to org-mode/contrib/lisp if this is
> proves useful to several people around.

I'm now using this along with notmuch and can confirm that it seems to
work well in all my old gnus use-cases (primarily context-aware
note-taking using capture) for both searches and individual messages.

+1 for inclusion by default.