Bring back block domain feature!

I see there is still no change to the Cox email system to allow users to block domains. This is starting to get very frustrating. The system will only allow you to block a preset number of email addresses. It will not let you block domains. I would have a lot less blocked addresses if I could just block the domains. I now have to delete addresses already on the "blocked" list before I can added a new address. Please bring back this option.