How to configure the spam filter settings (powered by Apache SpamAssassin™) for your account. Spam filters identify and sort or delete unsolicited email, commonly known as spam. You can also use this interface to configure your whitelist and blacklist settings.
Spam Filters – https://go.cpanel.net/cpaneldocs74SpamFilters
Apache Spam Assassin™ – https://spamassassin.apache.org/