Keep your email subject line short and attention-grabbing. Is anyone even reading this? “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. One Mississippi, two Mississippi… Let your imagination run wild. Don’t forget to add a short preview description to encourage people to click on your email. Keep an eye on your email open rate to analyze and improve performance! Sit up straight.