A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Generating witty text... "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Sit up straight. Is anyone even reading this? Try different email subject line styles to find what gets the most opens. Don’t forget to add a short preview description to encourage people to click on your email. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!