+# Set up mail system.
+su plom -c 'mkdir -p /home/plom/mail/'
+su plom -c 'mkdir -p /home/plom/mail/inbox/{cur,new,tmp}'
+su plom -c 'mkdir -p /home/plom/mail/new_inbox/{cur,new,tmp}'
+echo 'plomlompom.com' > /etc/mailname
+DEBIAN_FRONTEND=noninteractive apt-get -y install getmail4 procmail mutt postfix maildrop
+cp config/systemfiles/main.cf /etc/postfix/main.cf
+cp config/systemfiles/aliases /etc/aliases
+newaliases
+service postfix restart
+