Keep your email subject line short and attention-grabbing. Don’t forget to add a fun, relevant call-to-action button to your email. Don’t forget to add a short preview description to encourage people to click on your email. Try different email subject line styles to find what gets the most opens. One Mississippi, two Mississippi… I wish I looked as good as you while waiting 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.