Let your imagination run wild. Feel free to spin in your chair while you wait Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Generating witty text... Sit up straight. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Try different email subject line styles to find what gets the most opens. Don’t forget to add a short preview description to encourage people to click on your email.