Boost your email opens with a punchy subject line. "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! Test, test, and test again! Make sure your email looks good on all devices before you send it out. Is anyone even reading this? My day’s been ok, how’s yours? Avoid getting marked as spam! Only email people who have agreed to receive emails from you.