Get creative with emojis in email subject lines to increase open rates! Don’t forget to add a fun, relevant call-to-action button to your email. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Keep your email subject line short and attention-grabbing. Sit up straight. Try different email subject line styles to find what gets the most opens. Is anyone even reading this? Don’t forget to add a short preview description to encourage people to click on your email.