To configure mail filters in your BrainyCP control panel, go to Mail / Mail Filtering.
This will open the "Mail Filters" page.
In the "All filters" block, a field for selecting an email address and a list of all added filters are displayed. To remove the filter, click the "Delete" button.
To add a filter, fill in the fields in the "Add filter" block: fill in the "Filter name" field, add a condition, select an action that will be applied to letters that match the specified condition. Click on the "Create Filter" button: