Explanation/Reference:
Explanation:
Add-MailboxFolderPermission
Use the Add-MailboxFolderPermission cmdlet to manage folder-level permissions for all folders within a user's mailbox.
Add-ADPermission
Use the Add-ADPermission cmdlet to add permissions to an Active Directory object.
Use the Set-Mailbox cmdlet to modify the settings of an existing mailbox. You can use this cmdlet for one mailbox at a time. To perform bulk management, you can pipeline the output of various Get- cmdlets and configure several mailboxes in a single-line command.
You can also use the Set-Mailbox cmdlet in scripts.
To grant Send on Behalf permissions, you must use the Exchange Management Shell. Use the Set- Mailbox cmdlet with the GrantSendonBehalf parameter.
References: