This feature is available to both Publishers and Collaborators.
Login to your GoProof account, click on your Profile Name and select Notification settings.
Select and unselect the settings you require for your notifications.
Note: As a Collaborator accessing GoProof via a proof link, the steps to go to your notification settings will be slightly different.
Open the proof via the View Proof link of your GoProof notification email.
Click on the x icon on the top-right corner of the screen to exit the proof.
Click on your Profile Name and select Notification settings.