51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! I’m worth the wait Keep your email subject line short and attention-grabbing. Feel free to spin in your chair while you wait Boost your email opens with a punchy subject line. Don’t forget to add a short preview description to encourage people to click on your email. One Mississippi, two Mississippi… Avoid getting marked as spam! Only email people who have agreed to receive emails from you.