Fighting off robots… Sit up straight. 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. Not just a pretty interface Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Keep your email subject line short and attention-grabbing. Try different email subject line styles to find what gets the most opens.