I wish I looked as good as you while waiting Generating witty text... Don’t forget to add a fun, relevant call-to-action button to your email. Keep your email subject line short and attention-grabbing. Get creative with emojis in email subject lines to increase open rates! Don’t make ‘em yawn! Keep your emails exciting and brief. Sit up straight. Test, test, and test again! Make sure your email looks good on all devices before you send it out.