I am looking to put together a Debian based firewall and a mail server -how bad of an idea is it to host them on the same machine? (please explain how dumb it is, if so) How much power would I need (CPU/RAM/HD) to make it (or each of them) work? I just browse at home and download the occasional files and would like to learn how to configure various mail and firewall packages. not too much strain. Thanks! Mark p.s. please cc to me directly on replies