Apparently every year the PostgreSQL CA needs to be rotated, and if it's not
Mailman ends up 500ing. Maybe this way I'll figure out in a timely fashion.
use adehnert-service
service_description HTTPS
check_command check_https_hostname
+ host_name chankillo
+}
+
+define service {
+ name mailman-web
+ use adehnert-service
+ service_description MAILMAN-WEB
+ check_command check_https_hostname!-uhttps://www.dehnerts.com/mailman3/
__check_cert_expiry_days 10
host_name chankillo
}