Sit up straight. My day’s been ok, how’s yours? Feel free to spin in your chair while you wait Don’t forget to add a short preview description to encourage people to click on your email. Keep your email subject line short and attention-grabbing. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Avoid getting marked as spam! Only email people who have agreed to receive emails from you.