Mailscanner and Mailwatch
install mailscanner and mailwatch, its free and works with postfix, great way to manage SPAM cpanel has it why not Plesk
Gavin shared this idea
open discussion · IgorG responded
Thank you for your input. We will consider this functionality in upcoming releases if it is popular. Everyone, please continue voting for this feature if you consider it important.
Mitchell van Bijleveld commented
I just found out this exists, and I love it!