Let your imagination run wild. My day’s been ok, how’s yours? Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! Not just a pretty interface Don’t forget to add a short preview description to encourage people to click on your email. Don’t forget to add a fun, relevant call-to-action button to your email. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.