Gregory's ServerNow these companies are probably doing a much better job running and securing your mail than you would, and outsourcing often makes good sense.
But still, this is another example of increasing centralization: our businesses and personal online lives are concentrated in the hands of just a few companies.
Alright, that's all for today. Gotta go and fix my postfix DMARC setup and block a bunch of spammers or something.
And if you don't like social media threads or want to share this outside of Mastodon, here's all of the above in a single blog post:
https://www.netmeister.org/blog/mx-diversity.html