How to set up a shared mailbox
In order to set up a shared mailbox in Office 365, you will need to ensure that your user has access to the 'admin center' in office 365.
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Integrating a Shared mailbox with JEMHC
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Creating an inbound shared mailbox
See https://learn.microsoft.com/en-us/microsoft-365/admin/email/create-a-shared-mailbox?view=o365-worldwide for more information on how to create a shared mailbox in Microsoft 365.
Using an inbound shared mailbox for email processing
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