Forget about bbPress subscriptions for a moment.
Your users are getting notified because you have ‘Subscriber’ role set to receive notifications, and WPLMS is setting everyone to ‘Subscriber’ when they sign up.
I don’t know how WPLMS’ auto subscribe works, as I’d never heard of WPLMS until this thread.
Let’s take a few steps back and assess your needs. Why do you have bbpnns installed in the first place? It’s usually for people who want to send mass notifications to entire roles when any new bbpress post is created.
