Exam Essentials

Know the various methods you have available to connect to foreign messaging systems. Exchange Server 2003 continues to offer superior support for foreign and legacy messaging systems by providing the X.400, SMTP, Lotus Notes, and Novell GroupWise connectors. Should you need to connect to older systems, such as Lotus cc:Mail or MS Mail, you will need to maintain at least one Exchange 2000 Server for the immediate future.

Understand the SMTP messaging transfer process. As an administrator responsible for an Exchange server organization, you must understand how SMTP works, especially when messages cross the outside edge of your organizational network. Understanding the interrelationships between SMTP and DNS will go a long way toward keeping mail flowing into and out of your organization efficiently and securely.