PALO ALTO, CA--(Marketwire - August 20, 2007) - The Radicati Group, Inc. has released a new market brief on the Email Security Appliances Market, which analyzes the market's highly competitive landscape.

The Radicati Group, Inc. segments the Email Security Market into three distinct segments, including Email Security Appliances, Hosted Email Security Services, and Email Security Software Products. This study focuses only on the Email Security Appliances Segment, which, according to the report, makes up 20% of the total market's revenue.

Radicati Market Quadrants rank vendors based on a four quadrant system, which includes "Mature Players," "Specialists," "Trail Blazers," and "Top Players" quadrants. Leading players in each market segment are ranked based on the features and functionality of their solution and their market share in that segment. Radicati Market Quadrants provide a comparative viewpoint of the market, and an analysis of each vendor included in the study, including both strengths and weaknesses.

Companies evaluated in the report include Aladdin, Barracuda Networks, BorderWare, Clearswift, Fortinet, IronPort, McAfee, Mirapoint, Proofpoint, Secure Computing, Sophos, Symantec, Trend Micro, and Tumbleweed.

To order a copy of the study, or for additional information about our market research programs, please visit our web site at http://www.radicati.com, or call (650) 322-8059.

About The Radicati Group, Inc.

The Radicati Group covers all aspects of e-mail security, e-mail archiving, regulatory compliance, wireless technologies, web services, identity management, instant messaging, unified communications, VoIP, and more. The company provides 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 them in selecting 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 them identify and assess investment opportunities.

The Radicati Group, Inc. is headquartered in Palo Alto, CA, with offices in London, Hong Kong, and Melbourne.

Contact Information: Contact: Sara Radicati The Radicati Group, Inc. (650) 322-8059