https://www.udemy.com/emails-that-sell/?couponCode=free%20course%20-%201x%20offer
Please search before posting. This course and as a matter of fact, this coupon code has already been shared TWO years ago!
http://bestblackhatforum.com/Thread-GET-Selling-by-Email-Build-Your-Business-Close-the-Deal?pid=1373445#pid1373445
I missed it 2 years ago so Thank You sweetanukritisharma for the share. Rep added.