Author's program description
The MDaemon Messaging Server is an on-premises server designed to meet the needs of small-to-medium businesses. MDaemon is an alternative to Microsoft Exchange and Small Business server that is trusted by organizations in over 90 countries. MDaemon offers enterprise-class features, simple administration, and low total cost of ownership. Customers who want the control of an on-premise mail server, without the complexity and costs of more expensive alternatives, have trusted MDaemon for over 20 years.
Other options: MDaemon Messaging Server
Link to this page directly from your homepage