Want the loading time to be longer so we can spend more time together :) Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Opening the door to unlimited creativity… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Fighting off robots… Boost your email opens with a punchy subject line. Let your imagination run wild. Keep your email subject line short and attention-grabbing.