There are ways to block an IP address from spamming your site. You'll need to add the IP address to the restricted listing on the site. When the IP address tries to leave a comment the comment is posted in the trash automatically. I can block them from posting comments. Now I want to block them from accessing my site completely. How can you stop an IP address from opening up your site so they can't continue to add spam to the site that is thrown in the trash when it is posted.