Don’t forget to add a fun, relevant call-to-action button to your email. Sit up straight. Get creative with emojis in email subject lines to increase open rates! Opening the door to unlimited creativity… I’m worth the wait Don’t forget to add a short preview description to encourage people to click on your email. Joyina izigidi ezingu-4 zamalungu ekwenzeni okuqukethe kwemakethe okuhle. Keep your email subject line short and attention-grabbing.