Don’t forget to add a fun, relevant call-to-action button to your email. One Mississippi, two Mississippi… Don’t make ‘em yawn! Keep your emails exciting and brief. Feel free to spin in your chair while you wait Fighting off robots… 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.