Get your mission-critical messaging and collaboration systemsup and running with the essential guide to deploying and managing ExchangeServer 2007. This comprehensive administrator's reference covers the fullrange of server and client deployments, unified communications, messagingsecurity, performance optimization, troubleshooting, and disaster recovery.With special emphasis on security, the top concern for messagingadministrators, this book includes chapters on messaging security, policy,and tools and techniques to mitigate e-mail viruses, spam, and phishing.This book delivers the definitive information-messaging that professionalsneed to deploy and operate effective, reliable, and more-secure messagingand collaboration services. The companion CD features a fully searchableeBook and job aids--everything you need to help build enterprisecollaboration solutions that improve worker productivity, save time, andhelp reduce IT deployment and management costs.