Gmail and few other email providers have largely taken over. If you are not on good terms with them , email does not get delivered. Hence why every professional uses a cloud mailers. And BGP ... the reason why everyone uses cloudflare.
In an ideal world we d all be decentralized but the world is not ideal. The world has gravitated towards centralization in all the networking levels
In an ideal world we d all be decentralized but the world is not ideal. The world has gravitated towards centralization in all the networking levels