I have lost the author name for this item

This is not so much a story, unless you consider someone in this day and age not being at home in the Linux environment. There, I’ve admitted it to the world at large that I’m a Windows geek. It’s not pretty and it’s not by choice but it is the way of the world at the moment. I need help to mend my heathen ways and so I ask for assistance from all and sundry. Any intelligent advice will be appreciated.

I have installed CentOS 4 on a small Dell 800 MHz system and I would like to install and configure a Mail Server.

• I have my own domain name
• I have a static IP address, unless my ISP changes the rules.
• I have a SmoothWall system acting as a firewall
• I have not yet developed any predjudices about distributions or any other applications