Keep your email subject line short and attention-grabbing. I’m worth the wait Feel free to spin in your chair while you wait Test, test, and test again! Make sure your email looks good on all devices before you send it out. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Let your imagination run wild. Try different email subject line styles to find what gets the most opens.