Blocking external email

pts.
Tags:
Development
Exchange security
Microsoft Exchange
Network protocols
Networking
Spam
I have Win2003 server and Exchange 2003 server. When I want to block specific users from receiving outside email, I go into AD and select the Exchange General tab, then Delivery Restricions, then under Message restrictions I check the box labled 'From Authenticated users only'. This does in fact stop them from receiving outside email, but is there a way to keep them from sending any mail outside of our domain? We don't have any proxy servers, or ISA yet, so I am looking for any possibilities with our current configuration. Thanks!

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Thanks. We'll let you know when a new response is added.

This article: http://www.msexchange.org/tutorials/MF025.html, discusses restricting both sending and receiving. In the article is a link to this: http://www.msexchange.org/tutorials/MF009.html, which I believe is what your looking for.

Brian

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  • Richl01
    take away the SMTP email address. you need the x400 address for internal emails. caution if you have items like MFP that scan to email these users will not work, or anything else that may rely on SMTP.
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