"Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Try different email subject line styles to find what gets the most opens. Get creative with emojis in email subject lines to increase open rates! Don’t make ‘em yawn! Keep your emails exciting and brief. Is anyone even reading this? Don’t forget to add a short preview description to encourage people to click on your email. One Mississippi, two Mississippi… Let your imagination run wild.