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- Open the Microsoft Exchange Management Shell as an administrator.
Run the following commands:
Code Block theme FadeToGrey language text Add-MailboxPermission -user USERNAME -AccessRights FullAccess -InheritanceType All MAILBOXMAILBOX Add-ADPermission -user USERNAME -ExtendedRights Send-As MAILBOXMAILBOX Add-ADPermission -user USERNAME -ExtendedRights Receive-As MAILBOX
substituting
USERNAME
andMAILBOX
with your own username and the name of the user of the target mailbox.
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