Slightly OT. Good IMAP search tool?

[cra at WPI.EDU (Chuck Anderson)]

On Sat, Feb 20, 2010 at 04:45:03PM -0500, Rich Kulawiec wrote:
> I use fetchmail and grepmail.  Grepmail emits as its output a Unix mbox
> file, so it lends itself quite nicely to going through chunks of saved mail,
> matching grep-ish criteria (including headers) and producing a file full
> of the messages that match.

Have you figured out how to get grepmail to decode MIME?  A mailing 
list I'm on recently started emitting MIME/base64 encoded inline text.