Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi, Mohammad Hussain1
Good day!
Thanks for posting into our community.
According to your description, the issue of your concern that you've got an external outbound email issue.
We're sorry for your experience and truly understand how frustrating it is. Since you've already contacted with the Microsoft Online Tech support team, for our forum that we could not do much for you due to lacking of the authorities.
Nevertheless, we still have chance to inform with this team internally and ask them to update the status for you.
Therefore, would you please give some patience and we will inform you in here once we have the new updates from this team.
Thanks for your precious time and your understanding would be highly appreciated.
Hope you all the best!