One of the major components that helps an e-mail message reach its intended recipient is a Mail Exchanger DNS record -- better known as an MX record. This tutorial explains what MX records are and how they work. It then describes how to create an MX record and Host record on your own DNS server.
TUTORIAL: A PRIMER ON DNS AND MX RECORDS
Part 1: How DNS works
Part 2: An introduction to DNS records
Part 3: How to create an MX record
Part 4: How to set up a Host record
Brien M. Posey, MCSE
ABOUT THE AUTHOR: Brien M. Posey, MCSE, is a Microsoft Most Valuable Professional for his work with Exchange Server, and has previously received Microsoft's MVP award for Windows Server and Internet Information Server (IIS). Brien has served as CIO for a nationwide chain of hospitals and was once responsible for the Department of Information Management at Fort Knox. As a freelance technical writer, Brien has written for Microsoft, TechTarget, CNET, ZDNet, MSD2D, Relevant Technologies and other technology companies. You can visit Brien's personal Web site at http://www.brienposey.com.