You need to set a moderation guideline on any post from which you want to ban people (and if you just want moderation guidelines on all your future posts, you can just set them on your profile under the moderations option section).
You need to set a moderation guideline on any post from which you want to ban people (and if you just want moderation guidelines on all your future posts, you can just set them on your profile under the moderations option section).