A new demo has been added in the Microsoft ISA Server demo portion.The detail of this demo is
Title: How to Configure Attachments for the SMTP Filter in ISA Server 2000
Objective: The objective of this demo is to teach you how to configure attachment properties settings for the SMTP filter in ISA Server 2000. To change the order in which actions should be applied to the condition, click the up or down arrows. You cannot filter for attachments if you did not install the message screener. If you installed the message screener, you can configure the SMTP filter to check for specific attachments. You can specify the size, name, or type of content that should be held, deleted, or forwarded to the administrator.
If you are a subscriber, then click the Demos link in the navigation menu to view the complete list of demos.