Re: [Dovecot] [Q] IMAP update message header?

On Wed, 2008-05-07 at 14:05 -0400, Bill Cole wrote:

1. Instead of using a header, use an IMAP flag. One of the standard flags might suffice (i.e. '\Seen') but you can also come up with your own custom flags, which the Dovecot docs refer to as "keywords." These are set with the IMAP STORE command.

IMAP RFC also calls them keywords. :)