Mark Brunelli is sizing up the "Linux e-mail market" at searchenterpriselinux.techtarget.com. he says "A growing number of companies today are exploring the potential cost benefits of Linux-based e-mail platforms as compared to the gold standard that is Microsoft Exchange. But who are the major players in the Linux e-mail market? And what are they doing to help companies migrate off Exchange? SearchEnterpriseLinux.com talked with messaging expert Michael Osterman, principal analyst and founder of Black Diamond Wash.-based Osterman Research, to find out." read here for more.