Add extra fluff.

README

+	vastgota.lysator.liu.se MX == mail.lysator.liu.se
+Lysators mailserver har regeln att
+	`vastgota.lysator.liu.se` skickas till `smtp:[vastgota.lysator.liu.se]:1025`, och tillåter brev till `test@` och `massutskick@`.

iptables

+-P INPUT ACCEPT
+-P FORWARD ACCEPT
+-P OUTPUT ACCEPT
+-N f2b-sshd
+# These two should filter out anything to port 1025 except if it's from bernadotte.
+-A INPUT -p tcp -m multiport --dports 22 -j f2b-sshd
+-A INPUT -s mail.lysator.liu.se. -p tcp -m tcp --dport 1025 -j ACCEPT
+-A INPUT -p tcp -m tcp --dport 1025 -j DROP
+-A f2b-sshd -j RETURN

wp-pubsish-by-email.service

+[Unit]
+Description=Publish WordPress entries by email
+After=network.target
+
+[Service]
+Type=simple
+User=www-data
+ExecStart=/opt/wp-publish-by-email/main.py
+
+[Install]
+WantedBy=multi-user.target