<A href="http://www.rpost.com/apps-marketplace/all-apps-view?view=platform&pid=1%3Amicrosoft" target="_blank">RPost has released an upgrade to its RPost desktop software extension for Microsoft Outlook</A>. RPost for Outlook 2000-2010 is an integrated messaging platform providing legal electronic messaging, business productivity, messaging collaboration, email encryption security, and document signing services.