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Exchange emails to only send to internal users

Posted on 2014-12-16
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Last Modified: 2015-01-17
I have a strange request from a manager that wants to setup a group of users to send emails to internal users that is within a specified OU. Do I need to create a Transport Rule or is there another way?
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Question by:CiscoAzn
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by:Ivan
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Hi,

you can create a dynamic distribution group for that OU. When you create it, select OU in which you want it to be, and it will always have all users from that OU. That way there is no need to keep updating it or anything, it is always updated will all users from that OU.

As for group of users that will need to send email to that OU, just create distribution group, and put all users that are going to send email from it.

So, 1 dynamic distribution group for OU, and 1 distribution group for users that are going to send email.

That is it :)

Regards,
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by:CiscoAzn
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I think I wasn't descriptive enough. See the restrictions below.
1. Users cannot send to external emails
2. Users can only send to internal users within the OU they reside in.

Hope this clarify what is needed and no DL's need to be created.
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Jamie McKillop earned 500 total points
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Hello,

Yes, you will need to use transport rules. You will need to create two. The first rule will deny message outside the organization and the second will deny messages inside the organization, except to members of a distribution group. You will need to create two groups - one to hold the users you want to restrict and one you want to hold the users in the OU. You can create them as dynamic.

Here are some basic instructions on how to setup the transport rules - http://exchangeserverpro.com/restrict-outbound-email-transport-rule/

-JJ
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by:CiscoAzn
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I've requested that this question be deleted for the following reason:

There wasn't a solution for this.
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by:Jamie McKillop
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"There wasn't a solution for this."

This is untrue. I provided a solution above.

-JJ
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by:Jamie McKillop
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My recommendation is that http:#a40505600 be accepted as the answer.

-JJ
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Expert Comment

by:Jamie McKillop
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Please review the link on grading. A "C" grade is not appropriate here.

-JJ
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Author Comment

by:CiscoAzn
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This was not an answer that resolved the issue. Please reverse and split the points.
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Expert Comment

by:Jamie McKillop
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Explain how the answer was deficient.

-JJ
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LVL 37

Expert Comment

by:Jamie McKillop
Comment Utility
My recommendation is that http:#a40505600 be accepted as the answer.

-JJ
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