new spam emails getting through..

[Michele Neylon:: Blacknight Solutions]

>> I find that the mere presence of the X-Message-Info header is a sure
>> spam sign. The rule below hit 499 spam and zero false positives over
>> the last four weeks here.
>>
>> header   local_XMESSAGEINFO exists:X-Message-Info
>> describe local_XMESSAGEINFO X-Message-Info header found in message
>> score    local_XMESSAGEINFO 2.0
>>
After a bit of googling it seems that the only references to that header are
in spam messages...

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