Exchange is groupware written by Microsoft. It is very popular amongst both small and bigger businesses alike. Naturally, Exchange runs only on Windows (Server). In this guide, we'll be setting up Exchange 2013 on a new Server 2012 installation with Active Directory already installed. If you do not have Active Directory installed yet, please do this so we can begin installing Exchange - it will not function properly without a domain. We will be installing both the Mailbox and Client Access Role.......