That should not happen. Try rebooting it, either from within the Google Home app or by unplugging it briefly and plugging it back in. If that doesn't work, try removing it from the Google Home app, doing a factory reset, and then re-install it:
If that doesn't resolve it, you may need to contact Support (https://support.google.com/googlenest/gethelp) about a defective unit.
That certainly hasn't been easy for you ― let's check it out. A few questions: is this the first time setting up your Nest Hub Max? What emails are you receiving and on what app? Are they random or specific? Have you tried the steps above provided by MplsCustomer? How was it?
By the way, please avoid posting any email information here which may include your personal information.
It would help a lot if you could do a sequential reboot first:
Tell us how it goes.