3rd party owa access

Posted on 2014-08-29
Last Modified: 2015-01-12
I need to give access to a domain email address to a 3rd party marketing firm.  I would like them to access their domain email through OWA, but prefer to not create a domain user.  Is there a way to provide access to only the mailbox?
Question by:CPAIT
    1 Comment
    LVL 14

    Accepted Solution

    No, you cannot have a mailbox without a domain user. Every Exchange mailbox needs a corresponding user object in Active Directory.

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