A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Is anyone even reading this? 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! Keep your email subject line short and attention-grabbing. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. My day’s been ok, how’s yours? We’re very font of you because you’re our type.