THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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It is very important that the loadplugin line be added to a .pre file not a .cf file so it is loaded before the rules files are loaded, otherwise those rules will not get enabled.
You may also want to increase the score from the default of 2.8:
score UNWANTED_LANGUAGE_BODY 5
Use a local, caching, non-forwarding DNS sever
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