Log in to your Mailinblack space and go to Protect.
Click on the Senders tab on the menu located on the left.
Perform an advanced search
Under the search bar located at the top right, click on Advanced Search. In the Status search field, choose Banned.
Authorize or remove a sender
Finally, to authorize the email address and/or domain, click on the following icon:
Or if you wish to delete it, click on:
Your banned senders do not receive the Mailinblack invitation. However, if you remove them from your list of senders, they will have to respond to the invitation again with their next email.