Blocking TLD on exchange 2000 server

Hi,

I've been getting loads of spam on my exchange 2000 server.  The spam is coming only from the top level domain ".us"  The user and the domain names appear to be randomly generated so I cannot block by those but the email contents are the same.  Is there a way just using exchange itself to block anything from .us ?

I've seen directions for blocking users, domains, and sub domains by adding a filter to  Global settings/message delivery/filtering.  I've tried adding *@*.us but it does not seem to work.

Any suggestions?  

Thanks.
jbasiliere67Asked:
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Adam BrownSr Solutions ArchitectCommented:
Suggestions? Get off Exchange 2000 comes to mind. It hasn't been updated with security patches or Spam features in 5 years almost. That said, make sure the Apply Filter option is checked on the SMTP Virtual Server as recommended here: http://www.msexchange.org/articles-tutorials/exchange-server-2000/security-message-hygiene/MF014.html
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jbasiliere67Author Commented:
Definitely!  This is just an old server I use at home to play around with.  In the process of replacing it with Linux Zentyal SBS which has spam filtering built in, etc...  Anyway, I tried enabling the filter but there was no place to do it......  see attached.  Maybe I have a very limited version?  Or is there another way of doing it?

Thanks.
Capture.JPG
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Adam BrownSr Solutions ArchitectCommented:
That looks like the POP3 virtual server, not the SMTP one. Zentyal might not handle the same kind of mail communication that Exchange uses (MAPI) so you will probably be limited to POP3/IMAP, but that's not a huge deal if it's just a home server. Zimbra's a little closer to exchange, but it's still more of an imbred cousin to exchange than a drop in replacement.
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jbasiliere67Author Commented:
It was.  I guess I was doing to many things at once!  

Thanks!

John
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Adam BrownSr Solutions ArchitectCommented:
Been there, done that, shut down a bank for 9 hours.
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