Try different email subject line styles to find what gets the most opens. “There are so many beautiful designs to choose from. I feel like a professional when I use it.” - Dr. Oberson 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. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Don’t forget to add a fun, relevant call-to-action button to your email. Sit up straight. Let your imagination run wild.