If you're sending campaigns to more than one of your customers, you're likely to have to create multiple unsubscribe lists in Mailify.
For this, it will be necessary to first create the list in your blacklists, by clicking on "Create an unsubscribe list".
From the moment you have several unsubscribe lists, you can go to "Recipients" in your campaign and click on the "Unsubscribe" button.
You can choose the unsubscribe list that will be used for your shipment.
In this case, the test list.