Keep your email subject line short and attention-grabbing. Sit up straight. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! “PosterMyWall has a variety of different email templates that makes the job a whole lot easier than usual.“ - neokolmann Generating witty text... Don’t forget to add a fun, relevant call-to-action button to your email. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Boost your email opens with a punchy subject line.