Don’t forget to add a fun, relevant call-to-action button to your email. Keep your email subject line short and attention-grabbing. Boost your email opens with a punchy subject line. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Time to get that bread. Try different email subject line styles to find what gets the most opens. Sit up straight. Get creative with emojis in email subject lines to increase open rates!