Don’t forget to add a fun, relevant call-to-action button to your email. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Keep your email subject line short and attention-grabbing. Keep an eye on your email open rate to analyze and improve performance! We’re very font of you because you’re our type. One Mississippi, two Mississippi… Opening the door to unlimited creativity… Don’t forget to add a short preview description to encourage people to click on your email.