Try different email subject line styles to find what gets the most opens. Keep your email subject line short and attention-grabbing. Is anyone even reading this? Not just a pretty interface "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia Let your imagination run wild. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Sit up straight.