Not just a pretty interface "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Don’t make ‘em yawn! Keep your emails exciting and brief. Keep your email subject line short and attention-grabbing. Let your imagination run wild. Don’t forget to add a fun, relevant call-to-action button to your email. Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates!