- Go to the User CP
- Select Edit Options from the left menu
- Look under Messaging & Notifications
- Change Default Thread Subscription Mode to whatever you want.
Then go back to your User CP. There should be a list of subscribed threads and forums there. Click the Unsubscribe link for each.
The things that I've loved the things that I've lost
The things I've held sacred that I've dropped
I won't lie no more you can bet
I don't want to learn what I'll need to forget
- Audioslave, "Doesn't Remind Me"