My day’s been ok, how’s yours? Don’t forget to add a fun, relevant call-to-action button to your email. Boost your email opens with a punchy subject line. Let your imagination run wild. Don’t make ‘em yawn! Keep your emails exciting and brief. Get creative with emojis in email subject lines to increase open rates! Not just a pretty interface Avoid getting marked as spam! Only email people who have agreed to receive emails from you.