Exchange filtering valid email

How would I go about authorizing email from a domain?  The domain currently gets the following notice when some of their emails attempt delivery.

Message rejected as spam by Content Filtering.


Exchange 2007, Windows Server 2003
LVL 9
Sean MeyerIT DirectorAsked:
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fgrushevskyCommented:
from exchange shell

Set-ContentFilterConfig -BypassedSenderDomains DomainINeedToWhitelist.com
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pclinuxguruCommented:
In your SMTP content filtering you click on exceptions and add the domain that is not to be filtered.

http://technet.microsoft.com/en-us/library/aa995952(v=exchg.80).aspx
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y4utechCommented:
--To bypass content filtering of messages from specific domains, run the following command:

Set-ContentFilterConfig -BypassedSenderDomains <SmtpDomainWithSubdomains>

For example, to bypass content filtering of messages from test.com, run the following command:

Set-ContentFilterConfig -BypassedSenderDomains test.com

--To bypass content filtering of messages from specific domains and their subdomains, a wildcard character (*) can be used as shown in the following example:

Set-ContentFilterConfig -BypassedSenderDomains *.test.com
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y4utechCommented:
What are the threshold levels set to on your content filter? Maybe you
have them set to be overly agressive?

Use the following link to set the content filter threshold levels.

http://technet.microsoft.com/en-us/library/aa995995(EXCHG.80).aspx
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