Get creative with emojis in email subject lines to increase open rates! One Mississippi, two Mississippi… Keep your email subject line short and attention-grabbing. Test, test, and test again! Make sure your email looks good on all devices before you send it out. My day’s been ok, how’s yours? Don’t make ‘em yawn! Keep your emails exciting and brief. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.