Don’t forget to add a fun, relevant call-to-action button to your email. Boost your email opens with a punchy subject line. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Sit up straight. Keep your email subject line short and attention-grabbing. "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia Fighting off robots… Try different email subject line styles to find what gets the most opens.