Keep your email subject line short and attention-grabbing. Is anyone even reading this? "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Test, test, and test again! Make sure your email looks good on all devices before you send it out. Boost your email opens with a punchy subject line. Opening the door to unlimited creativity… Don’t make ‘em yawn! Keep your emails exciting and brief.