How to opt in and opt out of different types of email notifications?

To select the types of email notifications:

1. Click on your avatar at the upper right hand corner, go to "My Settings".

2. Go to "Notifications" > "Email".

3. Check the "Receive email notifications" box. Then you will see all the email notification options. Select the ones that you want to receive and uncheck the email that you don't want to receive. Click "Save" to save your changes.