Keep your email subject line short and attention-grabbing. Keep an eye on your email open rate to analyze and improve performance! Sit up straight. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Is anyone even reading this? Don’t forget to add a short preview description to encourage people to click on your email. Not just a pretty interface Don’t forget to add a fun, relevant call-to-action button to your email.