Zimbra Collaboration Suite 4.5.6

Zimbra is a tool that dramatically improves the messaging and collaboration experience for administrators and users. Zimbra achieves this by investing in innovation, open source, and compatibility with existing applications and systems.
The Zimbra Collaboration Suite supports Windows, Apple, and Linux platforms and works with Microsoft Outlook as well as other PC and mobile clients.
Additionally, Zimbra provides an AJAX browser based client that delivers rich, secure, anytime access for anyone within the enterprise.
ZCS 4.0 provides a wide variety of benefits to end-users and administrators.
Main features:
In addition to faster performance, new features in this edition include:
- Zimbra Documents
- Document sharing
- Support for sharing information as simple HTML or as part of ZCS
- Enhanced mobile support
- Outlook delegated access
- Shared address books
- Auto-complete of addresses from the Global Address List
- Advanced keyboard navigation
- Extended functionality for the Zimbra Assistant
- Expanded themes and skins
- Support for virtual hosts
- Many more features.