new structure checks and fixes

- markdown formatting
- turn soft-serve.md into soft-serve/README.md

splintrs/smtpd/smtp.mk

@@ -0,0 +1,22 @@
+# 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.
+# It hasn't been tested in a few years, and I have no idea how to make a
+# containerized test which will check DNS, and SSL certificates.
+
+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