Test, test, and test again! Make sure your email looks good on all devices before you send it out. Opening the door to unlimited creativity… I’m worth the wait Sit up straight. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. [insert fun loading text here] Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Boost your email opens with a punchy subject line.