Mobile: Tap ‘MORE’ on the bottom right of the home screen, and then tap ‘SETTINGS’ on the WEBTOON app.
You can change your push notification settings in the 'NOTIFICATIONS' menu.
You can change your email notification settings in the ‘EMAIL’ menu.
Desktop: Log in to the website, then hover the cursor over your username on the top right of the webpage. You can find ‘Account’ in the hover menu.
Once you select ‘Account’, you can change your email notification settings in the section ‘Service Emails' and 'Marketing Emails'.