Editing the card greylist

Select the Card greylist tab.
Click the Add button at the bottom of the screen or right click > Add several card numbers to the greylist.
The Add cards dialog box appears.
Enter the Reason for adding this card.
Click the button to add a card number.
Enter the card number.
Select the card type from the list.
Click on to duplicate a line.
Click on to delete a line.
Click on to save your greylist.
Make sure you have selected the desired control mode (Informative control or Blocking control) via the Settings tab.