Zimbra Collaboration Suite (ZCS) 4.5 is a truly modern, innovative messaging and collaboration application. Zimbra is the leading open source solution for enterprise, service provider, education, and government environments; offering administrators and their end-users unmatched benefits.

Ajax based web collaboration is at the heart of ZCS 4.5. The powerful web client integrates email, contacts, shared calendar, VoIP, and online document authoring into a rich browser-based interface.

Visit http://www.zimbra.com

or if you are looking for a service provider to host or install Zimbra for you Ad.WRIGHT can offer your company full support and service  including consultancy on security strategies.