On 2 July 2013 15:11, Jason White <jason@jasonjgw.net> wrote:
Dovecot performs indexing of all the maildir folders that it accesses, which

If indexed mail is your preference, have a look at:

http://notmuchmail.org/

This works best on a local Maildir however. In fact a local Maildir might be the only thing it supports (I can't remember right now), which may mean it is insufficient for Russell's requirements.
--
Brian May <brian@microcomaustralia.com.au>