Zoho Mail Suite
Zoho Mail Suite is a business email hosting service that meets the diverse requirements of medium and large Organization setups with a full range of customization options. Zoho Mail provides POPIMAP and Active Sync Access, to access your email anywhere, anytime. Zoho Mail has an easy to use Admin Console, with which the Administrators can manage the Organizations MailAccounts. Webmail is very intuitive and is an excellent package of Mail, Calendar, Contacts, Tasks and Notes.
You can migrate your existing email data from the current server using the Migration Tool in the Control Panel. You may also check with other email hosting providers, in case you have any provider in mind.