Description: Apache James is an open source Java Apache Mail Enterprise Server. It is a full-featured enterprise mail server that integrates mail, calendaring and contacts with web applications. It is fast, scalable and offers easy administration.
Type: software
Pricing: Free
Description: OpenChange is an open source implementation of Microsoft Exchange Server that allows Linux and UNIX servers to interoperate with Microsoft Exchange clients. It provides compatibility with Exchange protocols like MAPI, EMS, and OAB.
Type: software
Pricing: Open Source