[TenFour]

Interesting article on the centralization of email.

• 34% of all domains (53.7 million) use one of Google's mail servers, 14% (22.5 million) one of GoDaddy's, 13.5% (~21.3 million) one of Namecheap's
• for the Top 1M domains, over 60% use Google's (41%) and Microsoft's (20%) mail servers

https://www.netmeister.org/blog/mx-diversity.html