Hi 10ashus, if you click on the gear icon at the top of any grokker page you can then access your Account Settings. That is where you can adjust the kinds of email you want to receive and can unclick "Comment on subscribed threads" so you don't get those anymore. There is no need to Save or Submit as it gets automatically saved when you change the check mark status. Grokker is investigating the best way of batching emails so Enthusiasts get just the right kind and number of emails. Thanks for your comment and question.

I added a Comment to a very active discussion. I am getting too many emails. How do I unsubscribe from the discussion?

The notification email had an "unsubscribe" link. The linked page listed various check boxes, but there was no Save/Submit button.

I went to the discussion itself and there was no Subscribe or Unsubscribe button.