Hello new here, needing advice on how to use LetsEncrypt on Univention as SSL reverse proxy for other windows servers one IP address, private local domain with FQDN domain routed from UCS server to one other windows server IIS7

I tried to answer a similar question recently, please see

(what you need is the part that begins with “Lets dumb this all down”).

PS: whats up with trying to put the whole question in the title?