A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. We’re very font of you because you’re our type. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Don’t make ‘em yawn! Keep your emails exciting and brief. Is anyone even reading this? Try different email subject line styles to find what gets the most opens. I’m worth the wait Don’t forget to add a fun, relevant call-to-action button to your email.