Don’t forget to add a fun, relevant call-to-action button to your email. Fighting off robots… We’re very font of you because you’re our type. Generating witty text... Test, test, and test again! Make sure your email looks good on all devices before you send it out. Boost your email opens with a punchy subject line. Try different email subject line styles to find what gets the most opens. Don’t forget to add a short preview description to encourage people to click on your email.