You can accomplish with something like TinyLetter (https://tinyletter.com/ https://tinyletter.com/) or Revue (https://www.getrevue.co https://www.getrevue.co).

You can accomplish with something like TinyLetter (https://tinyletter.com/ https://tinyletter.com/) or Revue (https://www.getrevue.co https://www.getrevue.co). Not sure why he went the slightly more difficult route of using a service like MailChimp. (which also happens to own TinyLetter)