A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. I’m worth the wait Not just a pretty interface Get creative with emojis in email subject lines to increase open rates! Sit up straight. Don’t forget to add a short preview description to encourage people to click on your email. Want the loading time to be longer so we can spend more time together :) Avoid getting marked as spam! Only email people who have agreed to receive emails from you.