Fighting off robots… Get creative with emojis in email subject lines to increase open rates! Test, test, and test again! Make sure your email looks good on all devices before you send it out. Don’t forget to add a fun, relevant call-to-action button to your email. Keep your email subject line short and attention-grabbing. Opening the door to unlimited creativity… Generating witty text... Avoid getting marked as spam! Only email people who have agreed to receive emails from you.