I commented recently on this very topic and gave an account as to why the company I worked for got out of email hosting years ago. It was blockhole lists. http

I commented recently on this very topic and gave an account as to why the company I worked for got out of email hosting years ago. It was blockhole lists. https://news.ycombinator.com/item?id=29675365 https://news.ycombinator.com/item?id=29675365