You can manage your email notification preferences in your Account Settings. To do this, click on your name in the upper-right corner and then the "Account Settings" link:
Then select the "Notifications" tab.
Check the box next to the individual email notifications you would like to receive and uncheck the box next to the email notifications you would like to stop receiving. Click on the "Update Preferences" button to save your changes:
The general notifications you can receive are:
If you are an admin in your brokerage, in addition to the general notifications above, you'll also have admin specific notifications:
NOTE: By default, you'll have all email notifications turned on until you choose to turn them off. Also, turning off an email notification will not prevent you from receiving the in-product notification when you log into your dashboard.