View the front page. It will show you an email address which looks something like "web-ONhx3B@mail-tester.com" which is unique to you. Send an email to that add

View the front page. It will show you an email address which looks something like "web-ONhx3B@mail-tester.com" which is unique to you. Send an email to that address then click the "Check your score" button. It will rate the email which it received from you and point out any configuration problems.