My GF plays a ton of backgammon online. This isn't related to the post. Just sharing a project / software that is related in concept. heroes.backgammonstudio.com Whoever runs this project does a fantastic job. It feels like they really care about the game. There's some friction to signing up and rules that force you to finish games that results in a stable player base.
I'd love to receive an invite to play! I have been desperate for a decent BG server for a long while.