Forwarding or redirecting by an Outlook Rule is not 'authenticated' for distribution group (Exchange 2010)

Posted on 2011-04-20
Last Modified: 2012-05-11
Using Exchange 2010 SP1.

I have a newsletter come to my email which I 'redirect' to our whole organisation via 2 distribution groups. These are company-wide distribution groups which I do not particularly want available externally.

It works if the distribution group is set to allow senders that are unauthenticated (thus any Tom, Dick or Harry in the world can email to these distribution groups).

It doesn't work if the "Require that all sends are authenticated" is checked.

Why is the Exchange server's rule processor considered a non-authenticated user and is this fixable? Or I have I just screwed the settings somewhere when I set this server up?


edit: Apologies, don't know how this made it into the DNS area.

 Delivery Restrictions Settings
Question by:OzVic-NGT
    LVL 16

    Accepted Solution

    It is because you are redirecting - not forwading the mail.
    Redirect simply steers the original email to an alternate address - from the original sender.

    The list does not recognise the external sender - so stops delivery.
    Perhaps if you have these emails come to a dedicated mailbox - which then forwards to the users.

    They then see the message from the internal mailbox.
    LVL 1

    Author Comment

    Thank you! I guess that makes sense. I will likely just change it to a forward.


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