Use scoring to determine header format?

I'm seeing spam messages that appears to be from one individual (or
perhaps one software) that have a specific header format as:

Received:
Received:
Received:
Message-Id:
Received:

Is it possible to construct a scoring recipe that would identify messages
with this header format?  Is a message that seems to have a Received: out
of place indicative of spam, or badly formed, or not abnormal at all?

                                - fleet -



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