The "Exchange Server 2003 Message Security Guide" guide for Microsoft Exchange Server 2003 is available (842752)

Microsoft has released a guide that provides information about how to implement S/MIME with Microsoft Exchange Server 2003. The guide explains how, when you use S/MIME, encryption protects the contents of e-mail messages and digital signatures verify the identity of a purported sender of an e-mail message. The guide also provides pointers to other resources.

To obtain the complete guide, visit the following Microsoft Web site: For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.