Sit up straight. One Mississippi, two Mississippi… Try different email subject line styles to find what gets the most opens. Keep your email subject line short and attention-grabbing. Get creative with emojis in email subject lines to increase open rates! Keep an eye on your email open rate to analyze and improve performance! "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia Don’t forget to add a fun, relevant call-to-action button to your email.