Don’t forget to add a fun, relevant call-to-action button to your email. Let your imagination run wild. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Sit up straight. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Boost your email opens with a punchy subject line.