Report: Open-source e-mail systems biggest threat to Microsoft Exchange

blogs.zdnet.com — A new Yankee Group report says that ominously for Microsoft, 23% of respondents to a survey said they intend to migrate away from Exchange Server and switch to an alternative Linux or open source Email and messaging distribution platform over the next 12 to 18 months. Good news for companies like Scalix and Zimbra. Mar 23, 2007 View in Crawl 4