Don’t forget to add a fun, relevant call-to-action button to your email. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. We’re very font of you because you’re our type. [insert fun loading text here] Get creative with emojis in email subject lines to increase open rates! Try different email subject line styles to find what gets the most opens. Keep your email subject line short and attention-grabbing. Boost your email opens with a punchy subject line.