echo "$(hostname -f)" > /etc/mailname
# Everything should now be ready for installations.
-apt install -y postfix dovecot-imapd opendkim
+apt install -y -o Dpkg::Options::=--force-confold postfix dovecot-imapd opendkim
echo "TODO: Ensure MX entry for your system in your DNS configuration."
-echo "TODO: Ensure a proper SPF entry for this system in your DNS configuration; something like 'v=spf1 a mx -all' mapped to your subdomain."
+echo "TODO: Ensure a proper SPF entry for this system in your DNS configuration; something like 'v=spf1 a mx -all' mapped to your host."
if [ "${add_dkim_record}" -eq "1" ]; then
echo "TODO: Add the following DKIM entry to your DNS configuration (possibly with slightly changed host entry – if your mail domain includes a subdomain, append that with a dot):"
cat "${dkim_selector}.txt"