“PosterMyWall has a variety of different email templates that makes the job a whole lot easier than usual.“ - neokolmann Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! Time to get that bread. Keep an eye on your email open rate to analyze and improve performance! Keep your email subject line short and attention-grabbing. Sit up straight. Let your imagination run wild.