Tom Sather from Return Path presented the email certification at Markedu's Email Marketing @Your Desk webinar: For every one email that Yahoo delivers to the inbox 8 others are blocked or sent to the spam folder. While they catch a lot of bad stuff, like spam and phishing messages, they also inadvertently catch some good stuff. Being certified can help eliminate the possibility of your messages being classified as spam. In this presentation Tom Sather, director of professional services with Return Path, talks about: What exactly is certification and is it something I should consider?/li> If I'm a good sender, is certification necessary? What are the benefits of certification to my email program?