On Sat, 22 Oct 2011 00:49:07 +0200, Daniel Schoepe <daniel@schoepe.org> wrote:
> notmuch can only index and search through mail that is stored in a
> maildir[1], but not in an mbox file. As far as I can tell from the
> manual, rmail can fetch mail from a maildir directory, but it will
> delete mails from it after doing so.

Doh!  Sorry, I didn't realize that about Rmail.  Yes, notmuch requires
that all messages exist in separate files, ala mbox.  Sorry for the
confusion, Richard.

jamie.