MISTRAL VERSION 7
Log in to your personal Mailinblack area and go to Access my admin area at the top right of your screen by clicking on your Surname and First name. From your admin area, click the Senders menu on the left.
To import a file, click on this icon:
A window opens from which you can download the blank file to be filled in.
You can import your file with your authorised senders or with your banned senders.
Your list will be added automatically 🙂