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! “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. Sit up straight. Try different email subject line styles to find what gets the most opens. Get creative with emojis in email subject lines to increase open rates! Avoid getting marked as spam! Only email people who have agreed to receive emails from you.