Email Hosting Leader Recognized for Market Share and Comprehensive Suite of Services

Denver, CO, Oct. 1, 2008 – USA.NET®, Inc. announced today that industry leading analyst firm, The Radicati Group, Inc., ranked it as the “Top Player” in their Hosted Microsoft® Exchange– 2008 Market Quadrant report. USA.NET was recognized for leading the market in terms of market share and for offering a highly comprehensive suite of messaging services at an affordable price that target a broad range of customer needs. USA.NET scored highest on functionality and market share as compared to other messaging providers.

“We are honored to be distinguished for the second time in a row by the Radicati Group as the market leader in the rapidly growing hosted business email and messaging market,” said Doug Howard, President of USA.NET and Chief Strategy Officer of its parent company, Perimeter eSecurity. “I am proud to say that it reflects our ongoing efforts and success in delivering the most reliable email service to businesses.”

The report cited the following “key strengths” for USA.NET:

* A highly scalable and customizable three tiered Hosted Microsoft Exchange solution that can be modified to fit a company’s needs.
* Dedicated technical account managers – a unique customer service not typically offered by competitors.
* Premium IT security services such as, anti-spam and anti-virus protection, content filtering, email encryption, eMessaging archiving, enforced TLS, other compliancy services, and disaster recovery.
* Optional solutions for all Hosted Microsoft Exchange packages that include a hosted Microsoft Windows SharePoint, and secure Instant Messaging, with archiving capabilities.

Last week USA.NET also announced that they won the MSExchange.org, Reader’s Choice Award for the best Microsoft® Exchange email hosting provider as ranked by their highly qualified readers for migration experience, tools, IT support, uptime and overall level of customer satisfaction. USA.NET led in this ranking by a 20% margin over the closest runner up.

USA.NET offers a wide range of customized business email hosting services including messaging, collaboration and security services that solve customer requirements regardless of size, geographic location or complexity of need. USA.NET services companies ranging in size from SMBs to the largest enterprises. Services offered include:

* Microsoft Exchange 2007
* Microsoft SharePoint
* Mobile Messaging
* Email Archiving
* Enhanced Messaging
* Advanced Security Services

USA.NET processes 38 million messages per day and manages 80 terabytes of data and over 1 million business mailboxes in 120 countries. USA.NET is a wholly-owned subsidiary of Perimeter eSecurity, the only provider of complete security on demand, which offers more than 50 different on demand security services. Its nine geographically distributed technical offices and three Tier IV redundant data centers provide 24x7x365 monitoring and management along with dedicated account management.

About The Radicati Group, Inc.
The Radicati Group, Inc. is one of the most successful market research firms in the computer and telecommunications industry today. Started in 1993, with an initial focus on messaging & collaboration, the company has expanded today to cover all aspects of security, email archiving, regulatory compliance, wireless technologies, web services, identity management, instant messaging, unified communications, VoIP, and more. For further information visit: http://www.radicati.com.

About USA.NET
USA.NET is a wholly owned subsidiary of Perimeter eSecurity, the industry’s leading provider of complete, on demand IT security. Cited as the “Top Player” for the hosted business email market by The Radicati Group, Inc., USA.NET, The Global Secure eMessaging Service Provider®, is the only hosting provider that is SAS 70 Type II Audited, Microsoft Gold Certified, a member of the Microsoft Technology Adoption Program for Exchange, and winner of the 2006 Microsoft Excellence Award for Exchange Hosting Solutions. USA.NET eMessaging solutions are modular and infinitely scalable to ensure customers can grow their business without having to invest additional resources, time or capital into their mission-critical messaging infrastructure. For more information about USA.NET visit www.usa.net or call 800-653-0179.

CONTACT FOR MORE INFORMATION:

Sara Radicati
President & CEO, The Radicati Group, Inc.
650-322-8059
[email protected]

Cathy Clarke
CNC Associates for USA.NET
617-527-2089
[email protected]