On Fri, 10 Dec 2010 00:32:49 +0200, Felipe Contreras <felipe.contreras@gmail.com> wrote:
> I don't know how it works in gnus, but at least on the vim mode, the output
> generated by 'notmuch reply' is not ready to be sent, at least the Message-ID
> field is needed, and also is nice to have the User-Agent.

But notmuch is not the User-Agent. That's why the emacs UI fills in the
User-Agent value itself. I am not sure on the policy of creating
Message-IDs, perhaps notmuch-reply could actually fill in some defaults there.

Sebastian