Let your imagination run wild. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Feel free to spin in your chair while you wait [insert fun loading text here] Get creative with emojis in email subject lines to increase open rates! Opening the door to unlimited creativity… Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Boost your email opens with a punchy subject line.