"Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula “Everything I have designed has a crisp professional look and feel. Love this service” - Cameron I’m worth the wait Don’t forget to add a short preview description to encourage people to click on your email. Boost your email opens with a punchy subject line. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Keep your email subject line short and attention-grabbing. Sit up straight.