add smtpd makefile

smtpd

@@ -0,0 +1,20 @@
+# This make file produces the smtp daemon for the current backup domain: splint.rs
+
+# It is missing the cert, so you'll have to make another.
+
+DOMAIN=splint.rs
+
+output: service
+
+/usr/bin/smtp:
+	pacman -S smtpd
+	cp etc/smtpd/* /etc/smtpd
+	smtpd -n
+
+/etc/smtpd/mailname: /usr/bin/smtp
+	echo $(DOMAIN) > /etc/smtpd/mailname
+
+.PHONY: service
+service: /etc/systemd/system/multi-user.target.wants/smtpd.service
+/etc/systemd/system/multi-user.target.wants/smtpd.service: /etc/smtpd/mailname
+	systemctl enable --now smtpd