Don’t forget to add a fun, relevant call-to-action button to your email. Get creative with emojis in email subject lines to increase open rates! I’m worth the wait We’re very font of you because you’re our type. Try different email subject line styles to find what gets the most opens. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Time to get that bread. Boost your email opens with a punchy subject line.