Join 4 million members in making awesome marketing content. Is anyone even reading this? Don’t forget to add a fun, relevant call-to-action button to your email. Feel free to spin in your chair while you wait Boost your email opens with a punchy subject line. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. My day’s been ok, how’s yours? Keep your email subject line short and attention-grabbing.