"Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Try different email subject line styles to find what gets the most opens. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t forget to add a short preview description to encourage people to click on your email. Keep an eye on your email open rate to analyze and improve performance! Sit up straight. Don’t forget to add a fun, relevant call-to-action button to your email. Is anyone even reading this?