Study with the Experts! Scott Rachui, MCSE, MCT, is a Microsoft BackOffice specialist who has provided high level technical support for Exchange 5.5. He is currently a consultant who rolls out Exchange installations and implementations in North and South America. Curt Simmons, MCSE, MCT, makes his living as a technical trainer and writer. He is the author of MCSE Windows?? 98 Ace It!, MCSE Study Tips For Dummies??, and MCSE Proxy Server 2 Study Guide.