Keep your email subject line short and attention-grabbing. Not just a pretty interface Try different email subject line styles to find what gets the most opens. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Test, test, and test again! Make sure your email looks good on all devices before you send it out. “PosterMyWall has a variety of different email templates that makes the job a whole lot easier than usual.“ - neokolmann Don’t forget to add a fun, relevant call-to-action button to your email. Sit up straight.