Fighting off robots… Feel free to spin in your chair while you wait One Mississippi, two Mississippi… A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Join 4 million members in making awesome marketing content. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Try different email subject line styles to find what gets the most opens.