One Mississippi, two Mississippi… Try different email subject line styles to find what gets the most opens. Generating witty text... “Everything I have designed has a crisp professional look and feel. Love this service” - Cameron Don’t forget to add a fun, relevant call-to-action button to your email. Let your imagination run wild. Don’t make ‘em yawn! Keep your emails exciting and brief. Keep your email subject line short and attention-grabbing.