Step 1: Select the settings text from the top-right drop-down accessible by clicking on your profile photo. Here's a direct link to the settings page.
Step 2: Click "email settings on the left-hand side of the page and you'll be able to uncheck any notifications you'd like to stop receiving.
Step 3: Scroll down to the name of the creator you wish to stop receiving email notifications for and uncheck the boxes you no longer want to receive.
Step 4: Click the orange save preferences button at the bottom right to save changes.