Boost your email opens with a punchy subject line. Not just a pretty interface Is anyone even reading this? I’m worth the wait 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t forget to add a short preview description to encourage people to click on your email. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Don’t forget to add a fun, relevant call-to-action button to your email.