Fighting off robots… “PosterMyWall has a variety of different email templates that makes the job a whole lot easier than usual.“ - neokolmann Try different email subject line styles to find what gets the most opens. [insert fun loading text here] Boost your email opens with a punchy subject line. Don’t forget to add a fun, relevant call-to-action button to your email. Sit up straight. Keep your email subject line short and attention-grabbing.