One Mississippi, two Mississippi… Don’t forget to add a fun, relevant call-to-action button to your email. Keep your email subject line short and attention-grabbing. My day’s been ok, how’s yours? “There are so many beautiful designs to choose from. I feel like a professional when I use it.” - Dr. Oberson Fighting off robots… Boost your email opens with a punchy subject line. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula