Don’t forget to add a fun, relevant call-to-action button to your email. Want the loading time to be longer so we can spend more time together :) I wish I looked as good as you while waiting Sit up straight. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Let your imagination run wild. Don’t make ‘em yawn! Keep your emails exciting and brief. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.