To enable Spam filter on E-mail address in the plesk control panel, please follow the following steps :-
1) Login to Plesk Control Panel.
2) Click on "Subcription".
3) Click on "Manage Hosting" in front of the domain whose files permession you want to change.
4) Click on "Mail Tab" and click on "E-mail Address".
5) Click on Spam Filter Tab and then Click on "Switch on spam filtering for this e-mail address"
6) Once you have entere the above details click on "OK" and email account will be configured.
