The point of [ietf] has little to do with programatic filters and much to do with human visual filtering. Seeing the list tag in the list of subjects provided in the index list provided by my mail client makes human prioritization much easier. Headers are for programs, subject content is for humans. There is a need though you may not feel the need. Dave On Wed, 17 Dec 2003, Tim Chown wrote: > On Wed, Dec 17, 2003 at 08:00:38AM +0200, Pekka Savola wrote: > > > > I don't- IMHO it's stupid to waste the precious bits in the subject > > line to say "[ietf] " because there is no need for such. The messages > > can be filtered better using other thods as well, and humans can look > > at the headers.. > > I agree, for filtering everything's in the header already. >