MILFORD, Conn., Oct. 11 /PRNewswire/ -- The Radicati Group, Inc., ranked USA.NET as a "Top Player" in both their Hosted Business Email-Market Quadrant 2010 report and the Hosted Microsoft Exchange-Market Quadrant 2010 report.

The Radicati Group, Inc.'s latest study, "E-mail Security Market, 2008-2012," offers an in-depth analysis of the market for E-mail Security. It provides market size, installed base and revenue market share by vendor, four-year forecasts, and more.

The Radicati Group, Inc.'s latest study, "IBM Lotus Notes/Domino Market Analysis, 2008-2012," provides an in-depth analysis of current and forecasted IBM Lotus Notes/Domino installed base for all versions, as well as breakouts by business size and region.

The Radicati Group, Inc.'s latest study, "Microsoft Exchange Server and Outlook Analysis, 2008-2012," provides an in-depth analysis of current and forecasted Microsoft Exchange Server installed base for all versions, as well as breakouts by business size and region.

A new study showing market size, market share, and four-year forecasts (2008 - 2012) for all core market segments tracked by The Radicati Group, Inc. is now available.