A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Time to get that bread. Keep your email subject line short and attention-grabbing. Boost your email opens with a punchy subject line. One Mississippi, two Mississippi… My day’s been ok, how’s yours? Try different email subject line styles to find what gets the most opens. Don’t forget to add a fun, relevant call-to-action button to your email.