On Fri, 6 Aug 2010 08:27:38 -0500, Stephen Paul Weber <singpolyma@singpolyma.net> wrote:
> Would it not make sense to index the keywords header, since that header is
> in fact designed for use in putting searchable keywords on messages?
> 
> In fact, how hard would it be to make the headers indexed configurable?

Ah, if we had a nickel for every time we got this request!

This has far and away been the most common feature request that the list
has been receiving.  It is planned for one of the next releases.

jamie.