Try different email subject line styles to find what gets the most opens. Feel free to spin in your chair while you wait Boost your email opens with a punchy subject line. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Sit up straight. Keep your email subject line short and attention-grabbing. I wish I looked as good as you while waiting Avoid getting marked as spam! Only email people who have agreed to receive emails from you.