Open-Xchange Server 6 v6.14 has just been announced

http://www.open-xchange.com/forum/showthread.php?t=4112

It's also available in the community repositories:

http://download.opensuse.org/reposit...rver:/OX:/ox6/

Now also available for Ubuntu 9.10 and Fedora 12.

There's also a new Demo ISO image available for 6.14, VMware image is following, soon:

http://www.open-xchange.com/wiki/ind...tle=OXLiveDemo

http://software.open-xchange.com/OX6/media/iso/demo/