ubuntu : installing ubuntugis and R

Add the following lines in /etc/apt/sources.list :

sudo vi /etc/apt/sources.list
deb http://cran.skazkaforyou.com/bin/linux/ubuntu maverick/
deb http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu maverick main
deb-src http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu maverick main

Then add the "canonical partners" software repository from "ubuntu software center-sofware sources" (for sun java jdk/jre)

Get the keys
sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com D67FC6EAE2A11821
sudo add-apt-repository ppa:ubuntugis/ubuntugis-unstable


sudo apt-get update
sudo apt-get install r-base-core libgdal1-dev libproj-dev libgdal1-1.7.0-grass qgis grass saga sun-java6-jdk

qmail problem in plesk

Cannot send mail with qmail :

qmail-queue-handlers[xxxxxx]: cannot create temporary file - (13) Permission denied

I searched the web and there seems to be a solution. But it does not work :
http://forum.parallels.com/showthread.php?t=87344
http://forum.parallels.com/showthread.php?t=94593