In your account, click on My Profile in the drop down menu of Options located under your profile name.
Click on Edit Profile & Preferences in the left hand navigation bar. Scroll down to Notification settings, and select or de-select the appropriate Notification Preferences.
Be sure to save your changes before you exit by clicking on the green Save button on the bottom left side of the page.
If you have any questions or need further assistance, please, contact Livingtree at firstname.lastname@example.org.