Plesk - Spam Mail Filtering
Process to Activate Spam Mail Filter.
Step 1 - Log in to your Plesk control panel.
Step 2 - Go to the “Tools & Settings” tab and choose which domain you’d like to secure.
Step 3 - Select Spam Filter option.
Step 4 - In General setting check the box to activate spam filter on server-wide.
Step 5 - In SpamAssassin setting set up the score, size and text.
Step 6 - Add trusted language.
Step 7 - Add trusted local groups then click on OK.
