I am IT Manager for company of 55. Am upgrading our company server (physical server and the 2008 SBS OS to 2012R2) and can't decide on what to do about Exchange.
Option 1: Purchase Exchange 2013 and the CALs use for say next 7 to 10 years.
Option 2: Subscribe to Exchange Online Plan 1 (or Plan 2) and pay monthly per user fees from here to eternity... lol
PS. We are not interested in Office 365, strictly Exchange.
Any one out there have any advise for me?