Impossible to Install Evolution on Ubuntu 11.10

[Martin Papy]

Here is what is happening :

martin@ubuntu:/host/Tmp$ sudo apt-get install evolution evolution-exchange libevolution evolution-data-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
evolution-data-server is already the newest version.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 evolution : Depends: libcamel-1.2-29 (< 3.2) but 3.2.0-0ubuntu1 is to be installed
             Depends: evolution-data-server (< 3.2) but 3.2.0-0ubuntu1 is to be installed
             Recommends: evolution-plugins but it is not going to be installed
             Recommends: evolution-webcal but it is not going to be installed
             Recommends: bogofilter but it is not going to be installed or
                         spamassassin but it is not going to be installed
 evolution-exchange : Depends: libcamel-1.2-29 (< 3.2) but 3.2.0-0ubuntu1 is to be installed
 libevolution : Depends: libcamel-1.2-29 (< 3.2) but 3.2.0-0ubuntu1 is to be installed
E: Unable to correct problems, you have held broken packages.