Microsoft's Exchange messaging server is continuing to erode Lotus Notes? dominance in the corporate email market, according to recent surveys.
Industry newsletter ?Electronic Mail and Messaging Systems' found Exchange outsold Notes for the second consecutive quarter. Around 3.6 million Exchange server client licenses were sold worldwide, compared to 3.1 million for Lotus Notes. In the first quarter of this year, estimated sales of Exchange were 3 million, compared to 2.7 million for Notes.
Microsoft has also been touting the results of a survey commissioned by itself, which shows that 52 per cent of the Fortune 50 companies use Exchange as their email system. The survey was conducted for Microsoft by international research firm the Radicati Group.
However Notes still leads Exchange in the installed base, with an estimated 25 million users worldwide, compared to around 17 million for Exchange.
Grant Pearson, managing director of the UK Lotus Notes User Group's research group argues that many larger organisations are unlikely to change their messaging system. "If you're a big organisation with an email system in place, why would you change?" he asks.
However, he believes Microsoft is doing well in the small-to-medium business sector, as organisations seek to integrate their messaging system with their Windows and NT environment: "It's leveraging the success of its operating systems."
Exchange also benefits from being easy to install, and from Microsoft's more aggressive approach in the market place, Pearson believes.
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