> > You'll definitely want to look at a multi-server setup for that. Put your > > mail/web services on one box and database/LDAP on another. Also, for such > > a large installation you may even want to look at their commercially > > supported editions. Last time I checked (admittedly quite a while ago) the > > pricing wasn't too horrendous and I've heard good things about their > > support staff. > > We've always opted to go with the pure open source aka self-supported > > version but then again we're running installations with fewer than 300 > > users. I believe our largest installation to date is ~100 users or so. > I would have thought that this was a small install:) Agree. If you need multi-servers for 300 hundred users something is just designed wrong. Unless you've got 300 intense power users.