...theft. For most organisations, spam is the single greatest threat to the security of their e-mail systems, says MattCain, vice-president at analyst firm Meta Group. Even "innocent" spam is a major threat to business continuity, he says...
http://www.computerweekly.com/Articles/2003/12/16/199234/Yule-be-sorry.htm
...Dissatisfaction with IBM and Microsoft E-mail and Calendaring Is Real,” Gartner, Jan. 19, 2007 2 Says MattCain of Gartner, Inc.: “[Microsoft] Exchange is picking up share, and Notes/Domino is losing share. I’m seeing...
http://www.unify.com/Solutions/Efficiently_Migrating_Notes_WP_FINAL.pdf