I’m worth the wait Don’t forget to add a short preview description to encourage people to click on your email. Let your imagination run wild. One Mississippi, two Mississippi… Don’t forget to add a fun, relevant call-to-action button to your email. Don’t make ‘em yawn! Keep your emails exciting and brief. My day’s been ok, how’s yours? A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.