Don’t forget to add a fun, relevant call-to-action button to your email. I’m worth the wait Generating witty text... Don’t forget to add a short preview description to encourage people to click on your email. Don’t make ‘em yawn! Keep your emails exciting and brief. Keep an eye on your email open rate to analyze and improve performance! Get creative with emojis in email subject lines to increase open rates! Boost your email opens with a punchy subject line.