Use the editor to customize the footer that is automatically added to your messages. The editor resembles that of a common word processor; the question mark button all the way to the left will help you get the meaning of every button.
If you want to have a complete overview of how the built-in editor workd, go to this page
Please note that this page is divided into two parts. You can freely customize the upper part ("Customizable footer") without any additional option, while in order to customize the "MailUp footer" you need to purchase the Private Labeling option.
Page under construction