Don’t forget to add a fun, relevant call-to-action button to your email. I wish I looked as good as you while waiting 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. Boost your email opens with a punchy subject line. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. I’m worth the wait 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!