Earlier quoted context omitted.
Could we get some more information on the matter? Over the past years there have been numerous people online which have claimed that Hetzner closes accounts without giving a reason. I'm sure most of those claims intentionally omit some details to make it look like they didn't infringe the T&C. However as a Hetzner customer (a small one, to be fair), I'd still like to know that those complaints are baseless, and that…
This is the relevant part from their T&C: 2.7. Furthermore, we reserve the right to terminate the contractual relationship without notice for good cause.
Furthermore, we reserve the right to terminate the contractual relationship without notice for good cause. Such good cause is deemed to exist, among other reasons, if the Customer fails to meet its payment obligations or violates other important customer obligations. A further important reason which may result in us locking or terminating the Customer’s services or account without notice is if the Customer uses content that impairs the regular operating behavior or the security of our infrastructure or our product, or violates paragraphs 8.1. - 8.3. of these Terms and Conditions.