Microsoft blocks Tutanota users from own service: Tutanota users can't register a Microsoft Teams account and Microsoft won't change this.

This demonstrates why stronger antitrust legislation is badly needed.

Politicians on both sides of the Atlantic are discussing stronger antitrust legislation to regulate Big Tech. These laws are badly needed as the example of Microsoft blocking Tutanota users from registering a Teams account demonstrates. The problem: Big Tech companies have the market power to harm smaller competitors with some very easy steps like refusing smaller companies’ customers from using their own services.

Currently, Microsoft is actively blocking Tutanota email addresses from registering a Microsoft Teams account. This severe anti-competitive practice forces our customers to register a second email address – possibly one from Microsoft themselves – to create a Teams account.

More at https://tutanota.com/blog/posts/microsoft-blocks-tutanota-users-from-own-service/