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Exchange Intelligent Message Filter

Microsoft Exchange Server Intelligent Message Filter provides server-side message filtering, heuristics-based message analysis, and support for per-message spam confidence level ratings. Find out how you can reduce spam while improving productivity and trimming costs by exploring the resources listed on this page.

Note: The Exchange Intelligent Message Filter Update v1 download has been removed. A new version of this tool (Exchange Intelligent Message Filter Update v2) is available as part of Microsoft Exchange Server 2003 Service Pack 2.

Exchange Server 2003 Service Pack 2 (SP2)

Tired of spam? Reduce the number of junk e-mail messages that you receive by downloading Exchange Server SP2, which includes Exchange Intelligent Message Filter v2.

Downloads

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Exchange Intelligent Message Filter Updates with Microsoft Update

Starting with Exchange Server 2003 SP2, you can update your Intelligent Message Filter spam definitions using Microsoft Update. Updates are available twice per month. Read the Exchange Server Team Blog for more information about Intelligent Message Filter updates.

Documentation

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Exchange Intelligent Message Filter Operations Guide

Read about operational tasks for working with version 2 of the Exchange Intelligent Message Filter, which installs with Exchange Server 2003 SP2. Topics of interest include the following: configuring and enabling, updating the filter, troubleshooting, and customizing.

•	Exchange Intelligent Message Filter Overview Learn about key features such as topology and Microsoft SmartScreen technology.

•	Spam Confidence Level Find out about values, normalization, mapping, and more by visiting the MSDN Library.

•	System Requirements for Intelligent Message Filter Review system configuration requirements and recommendations.

•	White Paper: Anti-Spam Framework Overview Read about the methods for reducing unsolicited commercial e-mail, also known as spam, as introduced by Microsoft Exchange Server 2003 with Service Pack 2 (SP2).

•	Release Notes for Exchange Server 2003 Service Pack 2 Read about some of the new message hygiene features of the Intelligent Message Filter, such as the Custom Weighting Feature, and obtaining filter updates through Microsoft Update.

Non-Microsoft Resources

•	Configure Exchange Server 2003 to Block Unsolicited Commercial E-Mail with Intelligent Message Filter Read this MSCEworld article to find out how to install and configure Intelligent Message Message filter.

•	Running the Exchange Intelligent Message Filter in Non–Native-Mode Environments, by Paul Robichaux Find out if you need to install one Exchange Server 2003 system to host the Exchange Intelligent Message Filter in this Windows IT Pro article (August 2004).

•	Using Exchange Intelligent Message Filter Download the Intelligent Message Filter Archive Manager and follow the screen shots to set up Intelligent Message Filter by reading this MSExchange.org article.

For More Information

To learn more about protecting your users from spam, see:

•	Anti-Spam Framework Overview
•	Exchange Hosted Filtering
•	Microsoft IT Showcase: How Microsoft IT Defends Against Spam, Viruses, and E-Mail Attacks
•	Exchange Server 2003 Service Pack 2 (SP2) Antispam Framework, in the Microsoft Exchange Team Blog

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