# apt-get install ufw
# ufw allow ssh
# ufw default deny incoming
# ufw default allow outgoing
# ufw enable


# ufw allow 25,80,110,119,143,443,465,563,587,993,995,5222/tcp


# apt-get install curl bash
# curl http://easyinstall.citadel.org/install > EasyInstall.sh
# chmod +x EasyInstall.sh
# bash ./EasyInstall.sh