Knowing how Deutsche Telekom operates, I find it unlikely that the German branch and the Austrian branch share enough systems to make accidental data sharing po

Knowing how Deutsche Telekom operates, I find it unlikely that the German branch and the Austrian branch share enough systems to make accidental data sharing possible. Deutsche Telekom is a labyrinth of branches, departments and companies, each with their own systems and processes. It's more likely that the person gave the wrong email.