Roundcubemail failure to login

[geordi]

Hi
The client and server are on the same machine. This is sid/testing
enviroment freshly installed the end of December 2012 
Roundcubemail was accessed via localhost. 

/apt/sources.list
deb http://mirror.kolabsys.com/pub/debian/kolab-3.0/ wheezy development
updates 
deb-src http://mirror.kolabsys.com/pub/debian/kolab-3.0/ wheezy
development updates

Kolab was installed on saturday Jan 12

Thanks
Geordie