Nathan Barry has been writing an articulate blog about the process of starting a SaaS business in this "e-mail first" manner: http://nathanbarry.com/ http://nat

Nathan Barry has been writing an articulate blog about the process of starting a SaaS business in this "e-mail first" manner: http://nathanbarry.com/ http://nathanbarry.com/ His product is (well, will be) to offer this as a service to others: http://convertkit.com/ http://convertkit.com/