Editing the IP addresses greylist

Select the IP address greylist tab.
Click the Add button at the bottom of the screen or right click > Add several IPs to the greylist.
The Add IP address(es) dialog box appears.
Enter the Reason for adding this card.
Click the button to add an IP address.
Enter the IP address.
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.