Don’t forget to add a fun, relevant call-to-action button to your email. One Mississippi, two Mississippi… My day’s been ok, how’s yours? Sit up straight. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Test, test, and test again! Make sure your email looks good on all devices before you send it out. Not just a pretty interface Avoid getting marked as spam! Only email people who have agreed to receive emails from you.