There are various types of pop-ups used in email marketing:
Entry Pop-ups: Appear as soon as a visitor lands on the page. Exit-Intent Pop-ups: Triggered when a user is about to leave the page. Scroll Pop-ups: Appear when a visitor scrolls down a certain percentage of the page. Click Pop-ups: Activated by clicking a button or link. Timed Pop-ups: Appear after the user has been on the page for a specified amount of time.