Restrict outgoing email to single domain for some users

Hi,

In Exchange 2003 how can I set up certain users to only be able to send email to one domain that I specify.

Im sure that I have seen this as possible but cant remember where.

Urgent so 500 points

Stuart
LVL 11
StuartWhyteAsked:
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BembiCEOCommented:
I think, the solution is described here:
http://www.experts-exchange.com/Networking/Email_Groupware/Exchange_Server/Q_21809895.html#16434057

Is this, what you intend to do?
StuartWhyteAuthor Commented:
Hmm, kind of although slightly different - I think...

What I need to be able to do is have one set of users only be able to email a certain domain (a company partner) an no other addresses (i.e. their mates)  Everyone else should be unaffected.

The solution you posted seems to be the other way around.  I.e have the domain and restrict who can send to it...

Thanks

Stuart
BembiCEOCommented:
I would say, this is exactly the same.

Setup a connector, put in "domain.com" as adressspace, your virtual SMTP service as Bridgehead and there you have also the option to allow or deny users on the recipient filter tab. Restart the services after you changed the settings.

You can setup
Deny all but allow a few users
or
Allow all, but deny a few users

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StuartWhyteAuthor Commented:
Works a treat, but need to add a registry key as descibed http://support.microsoft.com/kb/277872/en-us to enable restriction checking.

Thanks

Stuart
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