
Most big companies are running messaging software <A HREF="http://www.internetwk.com/breakingNews/showArticle.jhtml?articleID=15200458">one or two major revisions behind the maker's most current version</A>, according to Ferris Research as it outlined the reasons why companies put off upgrading this crucial component of their IT infrastructure. A bunch of barriers give companies excuses to defer upgrading their email server software. Internet Week points out that the obstacles are particularly important now, as both of the two most popular email platforms--Microsoft Exchange and IBM Lotus Notes/Domino--are set to push out updates in the next month.