Not just a pretty interface Test, test, and test again! Make sure your email looks good on all devices before you send it out. Don’t forget to add a fun, relevant call-to-action button to your email. I’m worth the wait Don’t forget to add a short preview description to encourage people to click on your email. We’re very font of you because you’re our type. Keep your email subject line short and attention-grabbing. Let your imagination run wild.