Get creative with emojis in email subject lines to increase open rates! We’re very font of you because you’re our type. One Mississippi, two Mississippi… [insert fun loading text here] My day’s been ok, how’s yours? "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Boost your email opens with a punchy subject line. Don’t forget to add a fun, relevant call-to-action button to your email.