Is anyone even reading this? Get creative with emojis in email subject lines to increase open rates! “PosterMyWall has a variety of different email templates that makes the job a whole lot easier than usual.“ - neokolmann Boost your email opens with a punchy subject line. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Not just a pretty interface Keep your email subject line short and attention-grabbing. Sit up straight.