Get creative with emojis in email subject lines to increase open rates! Keep your email subject line short and attention-grabbing. Fighting off robots… Don’t forget to add a fun, relevant call-to-action button to your email. Don’t forget to add a short preview description to encourage people to click on your email. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. I wish I looked as good as you while waiting Boost your email opens with a punchy subject line.