A cold email is an email you send to someone who you do not know and have never contacted before. It's your first - and sometimes only - chance at making a compelling pitch that'll get your prospects to respond. Writing the perfect cold email with a compelling subject line is an art and science rolled into one. And that's why it's such a resource intensive task. According to research from Hunter.io, sales reps spend up to 21% of their work day on writing emails. Is that time well spent? What should your team do to get the best results from email outbounding? Here are some must-know cold email statistics to help you out.