As it turns out, running corporate email in the cloud—email-as-a-service, or EaaS—is on everybody’s low-hanging fruit list. After all, there are many public EaaS offerings that already host thousands of organizations and millions of users. Email standards and technology are quite mature, and it’s unlikely that your existing on-premises email system responsible for moving emails around today is so decrepit that migrating off of it is a Herculean task. Plus, of course, email is so easy to use that moving to a new system shouldn’t involve onerous change management and training.

Read the entire article at http://www.cio.com/article/717884/Email_As_a_Service_Not_As_Easy_As_It_Sounds