"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! Don’t forget to add a fun, relevant call-to-action button to your email. Get creative with emojis in email subject lines to increase open rates! Don’t make ‘em yawn! Keep your emails exciting and brief. Boost your email opens with a punchy subject line. Fighting off robots… We’re very font of you because you’re our type.