Fighting off robots… 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 [insert fun loading text here] Sit up straight. Don’t forget to add a short preview description to encourage people to click on your email. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Keep your email subject line short and attention-grabbing.