Don’t forget to add a fun, relevant call-to-action button to your email. Not just a pretty interface Get creative with emojis in email subject lines to increase open rates! Want the loading time to be longer so we can spend more time together :) I’m worth the wait 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Test, test, and test again! Make sure your email looks good on all devices before you send it out. Avoid getting marked as spam! Only email people who have agreed to receive emails from you.