Hello and welcome axel,
emesene is available in the contrib repository. Just add this repository and install it via package-manager (configuration menu, repository tab).
Name :
contrib-2008Address :
http://paketler.pardus.org.tr/contrib-2008/pisi-index.xml.bz2Other method (to feel the power of the command line) :
1. Launch a terminal with the keyboard shortcut
Alt-
F2, type
konsole, press ENTER key.
2. Copy/paste successively the following commands in the terminal that appeared :
sudo pisi ar contrib-2008 http://paketler.pardus.org.tr/contrib-2008/pisi-index.xml.bz2
sudo pisi it emesene
NB : sudo asks for your user password, which you type blindly in the terminal and validate by pressing the ENTER key.