Don’t forget to add a short preview description to encourage people to click on your email. Opening the door to unlimited creativity… I wish I looked as good as you while waiting Get creative with emojis in email subject lines to increase open rates! Sit up straight. One Mississippi, two Mississippi… Avoid getting marked as spam! Only email people who have agreed to receive emails from you. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.