Get creative with emojis in email subject lines to increase open rates! I’m worth the wait Generating witty text... Keep your email subject line short and attention-grabbing. 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. Let your imagination run wild. Don’t forget to add a fun, relevant call-to-action button to your email.