PALO ALTO, CA--(Marketwire - December 20, 2010) -  The latest study by The Radicati Group, Inc., "On-Premises Email and Collaboration Market, 2010-2014," provides an in-depth analysis of the worldwide market for enterprise on-premises email and collaboration solutions. The study includes market trends, market size, installed base and revenue market share by vendor, four-year forecasts, detailed breakouts by region and business size, as well as breakouts by version for IBM Lotus Notes/Domino and Microsoft Exchange Server.

Email remains an essential part of everyday business communications, and email platforms are continuing to evolve to include advanced features for high availability (HA) and disaster recovery (DR), anti-virus and spam filtering protection, email archiving, instant messaging (IM), social network integration, web conferencing, unified communications (UC), wireless push email, and more.

The worldwide installed base for corporate on-premises email has reached 550 million mailboxes in 2010, and is expected to increase at an average annual growth rate of 6% over the next four years.

The study provides a detailed analysis of leading players, including: CommuniGate Systems, Gecad Technologies, IBM, Ipswitch, MailSite Software, Microsoft, Novell, Open-Xchange, Oracle, Zimbra, and others.

To order a copy of the study, or for additional information about our market research programs, please contact Todd Yamasaki at (650) 322-8059, or visit our Web site at

About The Radicati Group, Inc.

The Radicati Group is a leading technology research and advisory firm focused on all aspects of email, security, email archiving, regulatory compliance, wireless technologies, web services, instant messaging, unified communications, social networking, and more. The company provides both quantitative and qualitative information, including detailed market size, installed base and forecast information on a worldwide basis, as well as detailed country breakouts.

The Radicati Group works with corporate organizations to assist in the selection of the right products and technologies to support their business needs, as well as with vendors to define the best strategic direction for their products. We also work with investment firms on a worldwide basis to help identify new investment opportunities.

The Radicati Group, Inc. is headquartered in Palo Alto, CA, with offices in London, UK.

Contact Information:

Todd Yamasaki
The Radicati Group, Inc.
(650) 322-8059