Let's Encrypt certificate for ejabberd

Problem Description
Dino and Conversations won’t connect to username@username.freedombox.rocks

Steps to Reproduce
Add account

Expected Results
Connect client to server

Actual results
Domain not verifiable

Information

  • FreedomBox version: 21.4.2
  • Hardware: HSK olimex lime2
  • How did you install FreedomBox?: downloading testing images from https://freedombox.org