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. Don’t forget to add a fun, relevant call-to-action button to your email. Don’t forget to add a short preview description to encourage people to click on your email. Fighting off robots… Keep your email subject line short and attention-grabbing. Time to get that bread. Boost your email opens with a punchy subject line.