Boost your email opens with a punchy subject line. Don’t forget to add a short preview description to encourage people to click on your email. Let your imagination run wild. Get creative with emojis in email subject lines to increase open rates! Opening the door to unlimited creativity… Feel free to spin in your chair while you wait Keep your email subject line short and attention-grabbing. Don’t forget to add a fun, relevant call-to-action button to your email.