A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. [insert fun loading text here] "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Sit up straight. Keep your email subject line short and attention-grabbing. My day’s been ok, how’s yours? Avoid getting marked as spam! Only email people who have agreed to receive emails from you. We’re very font of you because you’re our type.