Additional Reading

• Outlook expert Sue Mosher maintains what must be the most comprehensive Outlook-oriented site on the Web at http://www.slipstick.com . In particular, her write-up of the management options for the Outlook E-Mail Security Update (see http://www.slipstick.com/outlook/esecup/admin.htm ) is a great summary of how to make the product do what you want it to do.

• The Microsoft Office Resource Kit site has complete information on the Outlook security package, setting up RPC over HTTP, using IRM, and other Outlook security topics. See http://www.microsoft.com/office/ork/2003/three/default.htm .

• For more information on the Windows RMS package, see its page at http://www.microsoft.com/rms .

• To learn more than you ever wanted to know about S/MIME algorithms, protocols, and implementation considerations, visit the S/MIME Working Group of the Internet Engineering Task Force (IETF) at http://www.imc.org/ietf-smime/index.html .