This is a very simple plugin that simply limits Your Post views before you have to signup. I set this to 5 on some of my sites and get 30-40 emails in a single day. While most content lockers use social media and have more features, I just needed something simple for my adult tube site to ask the user to signup to continue viewing the post To download go to http://www.opcodevoid.com/wordpress-plugin-limit-post-views-before-signup/ The program is free and open source
