Block messages sent to recipients not listed in the Global Address List

Hi,

I know that if you enable Anti-SPAM agents on Exchange 2007 you can configure the server so as to reject mailing to recipients not listed in the Global Address List. Let's say that I want one of the employees of the company not to be listed onto the Global Address List (due to privacy issues). Will that disable incoming mailing to them? can I add an exception for that issues?
stevthymAsked:
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Alan HardistyCo-OwnerCommented:
If you run the following command in the Exchange Management Console, this will force all emails to be checked against the GAL and will reject any that are not listed:
Set-RecipientFilterConfig -RecipientValidationEnabled:$true
This is Anti-Spam independent and if you don't list a recipient - then mail won't arrive for them (a hidden recipient is different).
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apereirasCommented:
how cant configure this employees to the recipients filters and block messages to then
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stevthymAuthor Commented:
alanhardisty thanks for the response. You mean that if a recipient has checked the Box "Hide from Exchange Address lists" he will not get an e-mail in this case?
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Alan HardistyCo-OwnerCommented:
No - if they are hidden - they still exist so will continue to receive emails.  It is only if the address does not exist at all (hidden or otherwise), that the messages will get rejected.
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