--- /dev/null
+#!/bin/sh
+# This sets up the minimum of a mail server necessary to send out mails
+# to the world.
+set -e
+
+config_tree_prefix="${HOME}/config/all_new_2018"
+setup_scripts_dir="${config_tree_prefix}/setup_scripts"
+cd "${setup_scripts_dir}"
+
+./hardlink_etc.sh sendonly
+echo "postfix postfix/main_mailer_type string 'Internet Site'" | debconf-set-selections
+echo "postfix postfix/mailname string $(hostname -f)" | debconf-set-selections
+echo "$(hostname -f)" > /etc/mailname
+apt install -y postfix