Not just a pretty interface One Mississippi, two Mississippi… Keep your email subject line short and attention-grabbing. 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. We’re very font of you because you’re our type. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Get creative with emojis in email subject lines to increase open rates!