Not just a pretty interface Boost your email opens with a punchy subject line. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. I’m worth the wait Want the loading time to be longer so we can spend more time together :) Don’t forget to add a fun, relevant call-to-action button to your email.