Get creative with emojis in email subject lines to increase open rates! Keep an eye on your email open rate to analyze and improve performance! "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Boost your email opens with a punchy subject line. I wish I looked as good as you while waiting Keep your email subject line short and attention-grabbing. Opening the door to unlimited creativity… Don’t forget to add a fun, relevant call-to-action button to your email.