HyperOffice Email Service
HyperOffices is a Microsoft Exchange alternative with all the messaging features growing business need - custom business email; Outlook email; shared Outlook contacts...
Atmail allows you to choose between on-premises or cloud deployment. Features include email, contact, calendar, task, storage, synchronisation and provisioning. ...
Atmail allows you to choose between onpremises or cloud deployment. Features include email, contact, calendar, task, storage, synchronisation and provisioning.It's extensible through a RESTful API and allows easy rebranding and whitelabelling.
webmail-service email-client software-as-a-service on-premises email-service