Bill English, MCSE, MCT, CTT+, MVP, GSEC, is the owner of Networknowledge (www.networknowledge.com) and an author, trainer, and consultant on Microsoft's SharePoint and Exchange platforms. His books include Exchange 2000 Server (Osborne McGraw-Hill, 2001), MCSE Microsoft® Exchange 2000 Server Administration Readiness Review Exam 70-224 (Microsoft Press, 2001), Exchange 2000 Server Administration (Osborne McGraw-Hill, 2001), and Microsoft® Exchange 2000 Server Administrator's Companion (Microsoft Press, 2000). Bill was named a SharePoint Portal Server MVP (Most Valuable Professional) by Microsoft and has presented at Comdex, the Microsoft Exchange Conference, and the Microsoft Certified Trainer Readiness Event for Microsoft Exchange trainers.