Random #SelfHosting tip for any who might be interested:

If you use #GetSSL to get your #LetsEncrypt certs, you'll get four files:

* The key (example.com.key)
* The domain cert (example.com.crt)
* The CA cert (chain.crt)
* The "full chain" cert (fullchain.crt)

Make sure to use the full chain cert, *not* the domain cert, when setting up your server. Otherwise some services will give you "unknown authority" errors.