You have to use many of them to get effective, so sign up for the thirteen best safelists and mailers under, and include far more as you can get proficient at using them. Often track your backlinks with a services like ClixTrac so you already know which safelist and mailers https://aaronviralmailerguide79012.azzablog.com/36024880/a-review-of-list-building-with-aaron-mailer