1. Go to your profile page.
2. Click on "private messaging preferences".
3. You should see a box called "IgnoreList". Type in the username of the person(s) who's posts you wish to ignore. Click Save.
4. Click on "home" at the top of the forum to return to the mainpage or go back to the page you were on and Refresh the page.
5. You should now see the ignored user's post(s) replaced with the statement "<<you have blocked this message>>