Don’t forget to add a short preview description to encourage people to click on your email. Not just a pretty interface Don’t forget to add a fun, relevant call-to-action button to your email. We’re very font of you because you’re our type. Keep your email subject line short and attention-grabbing. Try different email subject line styles to find what gets the most opens. Is anyone even reading this? Don’t make ‘em yawn! Keep your emails exciting and brief.