They make a email server, web server, webdav server, dns server, and more. All very affordable and fairly easy to use. From their website… “Art & Technology – A New Unity? Even PC users concede that the Mac’s great for art, graphics and design. But packed into even a tiny Mac Mini is everything that is needed to run a business on—host a web site, share your ideas, create a community, market your services, execute transactions, account for cash flows, coordinate a project team, share calendars, etc.  There’s a whole lot of powerful technologies built into every Mac – Apache, WebDav, Postfix, SMTP, POP, IMAP, Fetchmail, iCal, MySQL, SQLite, SSL,…