Squirrelmail installation

aptitude install dovecot-common dovecot-imapd dovecot-pop3d

aptitude install squirrelmail

ln -s /etc/squirrelmail/apache.conf /etc/apache2/conf.d/squirrelmail.conf

ln -s /usr/share/squirrelmail /var/www/squirrelmail

chgrp -R www-data /usr/share/squirrelmail/