On this page we’ll show you how to set up the two most common types of Internet servers. A server running Apache to act as an external (Internet) or internal (Intranet) Web Server, and an e-mail server running Sendmail which is the most widely used e-mail server software on the Internet. More here
While Linux/UNIX can be used as a workstation OS it’s real power shows itself when used as a server. The lean structure of Debian allows even an old Pentium III system to operate as a server. And the fact that Web (Apache) and e-mail (Sendmail) server applications are free and included with Debian, once you’ve set up a Debian system all you have to do is install the Apache and Sendmail packages and you’re in business.