Check out the event lot page in the ACP (under advanced). The user's deletion event should have been logged, and the IP address should have been saved.
... as long as your NodeBB is new enough, that is 🙂
I wonder how hard it is to get going as a NodeBB plugin...
It is good to hear that you are planning to make a plugin. In the mean time, for the ones that want to give it a try, here is a fine post about how to automate the certificate renewal : https://community.letsencrypt.org/t/howto-easy-cert-generation-and-renewal-with-nginx/3491
Oohhh cant wait for the plugin
As it stands today, the node.js client for Let's Encrypt is quite outdated, so I'd prefer not to code against the ACME spec directly. Will wait until a suitable client for Node.js is created
I wrote up my install for Let's Encrypt when I did it last night.
My NodeBB forum is sitting behind that proxy https://obelisk.daerma.com