Zimbra is open-source server and client software for messaging and collaboration: email, group calendaring, contacts, and web document management and authoring. The Zimbra server is available for Linux, Mac OS X, appliances, and virtualization platforms. The Zimbra Web 2.0 Ajax client runs on Firefox, Safari, and IE, and features easy...

Congratulations—you’ve purchased the new iPhone 4, the coolest smartphone on the market. Now it’s time to learn how to take advantage of all the features, apps, and secret techniques available. To accomplish this, look no further than iPhone 4 Made Simple. Over 1,000 screen visuals and clear-cut instructions guide...

Martin Rutte, Chair of the Board, The Centre for Spirituality and the Workplace, Saint Mary’s University, co-author of New York Times business...

CCNP Security FIREWALL 642-617 Official Cert Guide is a best of breed Cisco exam study guide that focuses specifically on the objectives for the CCNP Security FIREWALL exam. Senior security consultants and instructors David Hucaby, Dave Garneau, and Anthony Sequeira share preparation hints and test-taking tips,...

When the first edition of this book was published in 2000 coinciding with the release of the Microsoft Windows 2000 family of operating systems, we were extremely gratified by the positive reception from network administrators and others interested in Windows 2000 Server. We're very proud of the book and think it's a worthwhile resource for...