Just come across this solution from the web, which claims to provide plugin-free interoperability with Microsoft Exchange server. This PostPath Server is a Linux-based enterprise-class email and collaboration server. It is the only drop-in, natively interoperable alternative to Microsoft Exchange.
From the documentation, it seems impressive. It has 4 lines of product:
From the documentation, it seems impressive. It has 4 lines of product:
- PostPath Server
- PostPath Webmail
- PostPath Vmware Edition
- PostPath Archive Edition