Last year was a difficult one for many businesses. Most IT departments saw reductions in their budgets and staff. This forced some IT admins to rethink enterprise-wide server migration plans. Volume 4 of the Exchange Insider e-zine looks at how diminished budgets will affect IT pros’ migration plans in 2010—and where the recent release of Exchange Server 2010 fits into their roadmaps. This issue also has the tools you need to troubleshoot mail flow issues and to tackle the perpetual question of how much security is sufficient for your Exchange environment.