[Dovecot] about index cache

[Geert Hendrickx]

On Mon, Aug 13, 2007 at 06:06:38PM +0300, Timo Sirainen wrote:
> So Dovecot remembers what fields client is interested of and when header
> is being parsed it caches everything that it knows the client wants.

For how long does dovecot remember which headers?  e.g. what happens if a
user switches to another mail client which downloads less headers?  How
long will the now unused headers still be indexed?

	Geert