Microsoft, like the old Microsoft, seems to completely reject all these modern methods and use their own instead. So, you get a lot of spam and my legitimate emails are rejected.
Feature request for any service like this: Let "me" know if it is a school, so I know that I am probably dealing with minors, a public environment and a firewall. Of course, you need to do the work (rDNS to start) to identify the schools.
How do they plan to keep Google from using its search index of Reddit for training? Or keep OpenAI from using Common Crawl? Do they simply add "No AI" to their TOS?