Eliminate Foreign Spam E-mail Exchange 2007

Hello Experts, I am having issues with foreign mail that is spam. I cannot block the message by IP (they are spoofing it), Domain name (Changes because it is a fake name), or by text. The text in the e-mails I guess is Russian, and if I try to place it in a transport rule on the Edge Server, it changes to Question Marks (Wild Cards). I have two questions. The first one is does anyone know of a good way to get rid of the spam without using a third party utility?? The Second is if you install the additional language packs for the Edge Server will it be able to interpret the text and therefore be able to block it??
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justinmoore14Asked:
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Ehab SalemIT ManagerCommented:
Using RBL will block 90% of email.

Exchange 2007 has built-in anti-spam, and is effective:

http://technet.microsoft.com/en-us/library/aa996551(EXCHG.80).aspx
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justinmoore14Author Commented:
Hey ehabsalem, we are already using RBL and yes it is very effective, however it seems that these particular messages I am referring to fall in the other 10%. Thanks for posting the links, but I have seen those before, and did not resolve our issue. This is partly why these particular messages are such a head ach. Did you have any thoughts on the Language packs as well, or any more thoughts on the spam issue??
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Ehab SalemIT ManagerCommented:
I doubt Exchange has built-in language filter, but this feature is available in Symantec Mail security and GFI, but this comes to a cost!
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justinmoore14Author Commented:
Ok ehabsalem, one more question, do you think that if I get the Windows Language packs (Windows Server 2003) and install them on the Edge server that when I create a new transport rule it will understand the text instead of placing wild cards there??
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Ehab SalemIT ManagerCommented:
I cannot help in this. Sorry.
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justinmoore14Author Commented:
ehabsalem, thank you for your input, although the Symantec Mail security and GFI options are not good ones for us in this situation, that does not mean that others might not want to pursue those options. With that being said I am going to accept that as the solution unless you have any objections. I will leave it open until the end of today.

Thanks,

Justin
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justinmoore14Author Commented:
Thanks again
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