To Configure the Blacklist of Spam Filters, perform the following steps:
1 - Open cPanel (yourdomain/cPanel).
2 - Click on (Spam Filters) from the Email section.
3 - Click on Show Additional Configurations.
4 - Click on Edit Spam Blacklist Settings.
5 - Click on Add A New "Blacklist _from" Item.
6 - Enter the domain name or email in the Blacklist_from box.
7 - Click Update Blacklist (Blacklist_from).
* To Delete Item Spam Blacklist
Click on the X icon beside the item to remove it from Blacklist.
Click Update Blacklist (Blacklist_from).
