When you create a team, the team gets an e-mail address which is the name of the team. What would happen if this email already exist as the e-mail of a group or person in our organization? Does this person or group stop receiving their e-mail?
I am not talking about the channel e-mail you can use to send e-mails directly to the team, but the e-mail address that you can see if you go to "manage teams" in the Teams admin center. On the profile card of the team, you can see a mail address.
Hi LillianFrydenlund,
I test this scenario in my environment. I create a user with email address sameaddress@jaycetech.onmicrosoft.com. Then I create a new Team in Microsoft Teams, its email address is automatically generated and different from the user’s.
This image is the user’s email address:
This image is the new Team’s email address: 
So, you don’t need to worry about the conflict.
Hi!
Thank you for your reply. Does anyone know what these e-mail addresses which are generated is used for? Can you use them for anything? can you use it to send an e-mail to the team?
Hi LillianFrydenlund,
You can send email to the team mail address. Then, the owner of this team will receive the email in Group folder.
We can disable user to send email address to a channel email address. If you have the team mail address, you can send the email to the team even if the option is disabled.
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