I’m worth the wait Keep your email subject line short and attention-grabbing. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula [insert fun loading text here] Test, test, and test again! Make sure your email looks good on all devices before you send it out. 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. Don’t forget to add a fun, relevant call-to-action button to your email.