Study: Microsoft still leads in email

New additions to Exchange will keep driving users to Microsoft, says Radicati

Microsoft will stay at the top of the growing corporate email market, thanks partly to its software's new wireless push capabilities, according to a new report from The Radicati Group.

The study found that Exchange, Microsoft's email platform, currently has 23 million more seats than Lotus Domino, IBM's email platform. The addition to Exchange of push wireless email, which is part of the Service Pack 2 upgrade, should keep driving users to Microsoft in the future, Radicati predicts.

Spam will continue to be a problem regardless of which platform enterprises use. In 2005, spam traffic totaled 91 billion messages per day, according to the report. By 2009, spam is expected to reach 228 billion messages per day, Radicati says.

Messaging software, including email software used by enterprises and software used for hosted email services, will generate US$3.6 billion (NZ$5.2 billion) in 2009, up from US$2.5 billion in 2005, the report says.

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