A new demo has been added in the Windows Server 2003 demo portion.The detail of this demo is

Title: How to Set IP Address Access Restrictions to SMTP Server in Windows Server 2003

Objective: The objective of this demo is to teach you how to set IP address access restrictions to SMTP server in Windows Server 2003. You can grant or deny Simple Mail Transfer Protocol (SMTP) virtual server access to specific IP addresses. By default, the SMTP virtual server is accessible to all IP addresses. You can set restrictions by specifying a single IP address, a group of addresses using a subnet mask, or a domain name.

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