A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Keep your email subject line short and attention-grabbing. Want the loading time to be longer so we can spend more time together :) I’m worth the wait Let your imagination run wild. One Mississippi, two Mississippi… Don’t make ‘em yawn! Keep your emails exciting and brief. Don’t forget to add a short preview description to encourage people to click on your email.