Clustered Messaging Services
A Messaging Server is basically an email server.
The Sun Java System Messaging Server is a high-performance, highly secure messaging platform.
It can scale from thousands to millions of users. As such, it is suitable for both service
providers and enterprises interested in consolidating email servers and reducing total cost
of ownership of communications infrastructure.
It also provides extensive security features that help ensure the integrity of communications
through user authentication, session encryption, and the appropriate content filtering to help
prevent spam and viruses.
Key Features
Virtual domain hosting with delegated administration capability
POP3 and IMAP4 support
Webmail interface
High performance
Easily scalable
Integrate easily with third-party Anti-Virus and Anti-Spam solutions
Other email servers
We have also successfully implemented and migrated the following email servers:
Postfix
Sendmail
Microsoft Exchange
Sun Java Communications Suite 6 (Sun Convergence)
Sun Convergence is an AJAX based communications web client. Convergence provides a user access to Mail, Calendar, Address Book, and Instant Messaging services.
A high-level architecture diagram can be found here.