On the User Menu, click on Notification Settings
The Notification Settings will open up the Email notifications under Settings.
Each section will give different options for emails to be sent or not to be sent. At the bottom of the list, for Individual Group Email Settings, you will want to click on the link for My Groups then Change to update notification emails for each specific group. There is also the option to set all groups to not send email notifications by clicking on “Or set all your group’s email options to No Email.”
Once the settings are updated, click Submit.