When you delete a mail user, the Do not display in address lists option is enabled and the mail user is no longer shown in address books. In addition, the Microsoft Entra ID user account that is linked to the mail user is deleted.
NOTE: As long as an account definition for an identity is valid, the identity retains the mail user that was created by it. If the account definition assignment is removed, the mail user created through this account definition, is deleted.
To delete a mail user
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In the Manager, select the Microsoft Entra ID > Mail user category.
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Select the mail user in the result list.
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Click 
in the result list.
- Confirm the security prompt with Yes.
Mail contacts obtain information about users from outside the Exchange Online organization. Mail contacts are assigned at least one email address. Notification is automatically forwarded to this email address. As opposed to mail users, mail contacts do not have login credentials or access to resources.
Mail contacts are loaded into by synchronization. You can create and edit mail contacts in .
NOTE: It is recommended to use account definitions to set up mail contacts for company identities.
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In order to create mail contacts through account definitions, identities must have a central user account and a default email address and obtain their IT operating data through assignment to a primary department, primary location, or a primary cost center.
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Some of the main data of the mail contact is mapped from identity main data using templates.
Detailed information about this topic
NOTE: It is recommended to use account definitions to set up mail contacts for company identities.
-
In order to create mail contacts through account definitions, identities must have a central user account and a default email address and obtain their IT operating data through assignment to a primary department, primary location, or a primary cost center.
-
Some of the main data of the mail contacts is mapped from identity main data using templates.
To create a mail contact
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In the Manager, select the Microsoft Entra ID > Mail contacts category.
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Click 
in the result list.
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On the main data form, enter the main data for the mail contact.
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Save the changes.
