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 Try different email subject line styles to find what gets the most opens. Is anyone even reading this? Let your imagination run wild. Opening the door to unlimited creativity… Time to get that bread. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!