Let your imagination run wild. My day’s been ok, how’s yours? Get creative with emojis in email subject lines to increase open rates! Fighting off robots… Boost your email opens with a punchy subject line. Don’t forget to add a fun, relevant call-to-action button to your email. Don’t forget to add a short preview description to encourage people to click on your email. Avoid getting marked as spam! Only email people who have agreed to receive emails from you.