Don’t forget to add a short preview description to encourage people to click on your email. [insert fun loading text here] Not just a pretty interface Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Keep your email subject line short and attention-grabbing. Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! Test, test, and test again! Make sure your email looks good on all devices before you send it out.