Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Opening the door to unlimited creativity… Feel free to spin in your chair while you wait Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! Fighting off robots… Keep your email subject line short and attention-grabbing.