Opening the door to unlimited creativity… Get creative with emojis in email subject lines to increase open rates! Let your imagination run wild. Test, test, and test again! Make sure your email looks good on all devices before you send it out. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Boost your email opens with a punchy subject line. My day’s been ok, how’s yours? Avoid getting marked as spam! Only email people who have agreed to receive emails from you.