Don't want to run your own hardware for email ? Microsoft offers Exchange server in the cloud with Exchange online.
Exchange Online helps protect your information with anti-malware and anti-spam filtering protects mailboxes. Data loss prevention capabilities prevent users from mistakenly sending sensitive information to unauthorized people.
Globally redundant servers, premier disaster recovery capabilities, and a team of security experts monitoring Exchange Online around the clock safeguard your data. And with a guaranteed 99.9% uptime, financially-backed service level agreement, you can count on your email always being up and running.
Office 365 is the cloud equivalent of Microsoft office, and is based on a subscription. The advantages of Office 365 (o365) is that you are always running the latest version of the software, and its portable to many devices - PCs, tablets, laptops, mobile phones etc.