When you send a mailing, like a newsletter, for example, it is normal practice to give recipients the option of unsubscribing. You can do this by inserting a link for the recipients to click. An unsubscribe link is normally placed at the bottom of a message. If you use one of our 16 preset templates this link is already added to the template.
Learn how to add an unsubscribe link

From the Edit paragraph menu you can add your unsubscribe link.