Adding a Spam Blacklist
This article describes how to add a spam blacklist to the Hosting service.
Spam Filtering is enabled by default
Email messages coming from senders in the blacklist are blocked. Learn more about training the spam filter.
Steps
Login to the Plesk panel, and click on the Mail button
Select the Email Address you wish to change spam filtering sensitivity on
Click the Spam Filtering tab
Scroll down and click on the Show Advanced Settings link
Enter the domains or email addresses you wish to the Blacklist
Click the Apply button