Not just a pretty interface 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! “I enjoy the creative experience of PosterMyWall. All the features are easy and great to use. You’ve made my job easier by far.” - Angel C. Opening the door to unlimited creativity… A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Fighting off robots… Keep your email subject line short and attention-grabbing. Sit up straight.