Step1: In the Current Lists section, scroll to the name of the mailing list. Alternatively, enter a keyword in the Search box and click Go.
Step2: In the Functions column, click Manage next to the name of the mailing list.
Step3: In the Configuration Categories section at the top, click Privacy options.
Step4: Click Spam filters.
Step5: Enter the filter rules that you wish to apply. For more information, read our How to Create Mail Filter Rules For Mailing Lists documentation.
Step6: Click Submit Your Changes.