Hello, maybe someone has a fast solution. We have blocked Android, IOS from our Employee WiFi. But, the devices can access the network?Is there a bug or something else?

Hello, we have our own domain @domain.com and have moved our exchange to exchange online. Because of this the users also got an email adress @ourdomain.onmicrosoft.com . The mails @domain.com are routet through the ESA Cloud. Everything works fine. B...