In case it wasn't clear above, each file that it should be trying to load is the e-mail from Exchange dumped out into a file (one e-mail per file).

And if anyone happens to want the EventSink to try out on their Exchange 2000/2003 server, I have it up at http://www.cardboardutopia.com/ExchangeSpamFilter.zip
In the readme for that, it explains that it is not an ideal solution (and it goes into why), especially for a server that has many users getting e-mail. For small offices like ours it will likely work just fine. It also gives a link to a howto on getting SpamAssassin to "work" under a Win32 environment (spamd doesn't work and the rbl checks should be disabled since they don't work under Win32).

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There are some odd things afoot now, in the Villa Straylight.