A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Boost your email opens with a punchy subject line. Let your imagination run wild. Don’t make ‘em yawn! Keep your emails exciting and brief. Sit up straight. My day’s been ok, how’s yours? Try different email subject line styles to find what gets the most opens. Test, test, and test again! Make sure your email looks good on all devices before you send it out.