Let your imagination run wild. Generating witty text... I wish I looked as good as you while waiting Keep your email subject line short and attention-grabbing. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Fighting off robots… Don’t forget to add a fun, relevant call-to-action button to your email. Avoid getting marked as spam! Only email people who have agreed to receive emails from you.