Step 1 - Go to the "Mail" section and click "Mail spam protection" icon.
(see screenshot)

Step 2 - Either enabled the spam protection or disable it if already enabled by using the checkbox and the "Update" button.
(see screenshot)


Please make sure that you are viewing the screenshots in their
original sizes as there is possibility that your browser is resizing
the images!!!

If you have more question regards this matter, please contact our
support team