>>> >> >> > > I would hope that traffic shaping could be done in an affordable manner, like > you say with FOSS on the Dovecot server. >
Go to www.lartc.org (linux advanced routing & traffic control). They have a lot of doc and a great mailing list Traffic shaping is a bit tricky until you understand all the mess, but when you "get it" is a very powerfull tool. Regards Javier >