Sit up straight. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Get creative with emojis in email subject lines to increase open rates! We’re very font of you because you’re our type. Don’t forget to add a fun, relevant call-to-action button to your email. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Keep your email subject line short and attention-grabbing.