Sit up straight. I’m worth the wait Don’t forget to add a fun, relevant call-to-action button to your email. Not just a pretty interface Generating witty text... A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Avoid getting marked as spam! Only email people who have agreed to receive emails from you.