How can I remove an email address from the "Black List"?
To remove an email address from your "Black List":
Select the "Settings" tab and "Black/White List" option in the left menu.
Select the "Black List: Blocked addresses" option in the "Select List" drop down menu.
Select the email address you want to remove and click on the "Remove selected" button.
If you select the "Automatically add/remove sender's email address to/from blacklist when moving message to/from Spam folder." checkbox in the "Automated Actions" section of the "General Settings" tab, then anytime you move an email from your Inbox to the Spam folder, the email address of its sender will be automatically added to the Black List. Likewise, when you remove an email from the Spam Folder, email address of its sender will be removed from the Black List as well.