How to block a spoofed domain address Exchange 2007

I have been fighting to block spoofed emails from they coming as or a user has been getting like 80 to 100 emails per day. What I have done to block them is set to filters to redirect the email to the administrator account. under antispam under block sender properties I have added. The two email address and the domain and his still getting emails. Also under keywords I have added I just cant stop them from getting through

I am running server 2008 and exchange 2007
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byrnnlsnConnect With a Mentor Commented:
this should help you out if you have not already tried this.
Malli BoppeConnect With a Mentor Commented:
In the antispam where are you add this email address to block.Inbound or outbound black list.It should be in the inbound block list(receiver).You can aslo set a transport rule in the exchange to delete this messages.
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