For everyone who commented on this help article, please also go to the feedback articles for this topic and vote for them.
Auth0 supporting “Modern Auth” for Office 365
Voted
Add Modern Auth support for custom SMTP Servers
Might also be a good idea to create your own feature request for the same topic using the feedback category in Auth0 community. Auth0: Secure access for everyone. But not just anyone.
Enterprise customers may also reach out to their Technical Account Manager to provide feedback to the product team. - email address should be tam@auth0.com