Boost your email opens with a punchy subject line. Sit up straight. My day’s been ok, how’s yours? "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Keep your email subject line short and attention-grabbing. Try different email subject line styles to find what gets the most opens. Let your imagination run wild. Don’t forget to add a short preview description to encourage people to click on your email.