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In message <[email protected]>, Vittorio
<[email protected]> writes

>On who relies on X-* headers from non-adjacent hops, spam campaigns 
>routinely inject forged X-Spam-Status and X-Spam-Score headers to 
>influence downstream filtering. 

I have now processed the Abusix data for last Wednesday (which might
well be a typical day)

    Date scanned          : 20260528

    JSON records processed: 24478574
    X-Spam-Status present :      683
    X-Spam-Score present  :      544
    Either present        :      718
    Both present          :      509

718 is 0.002933% of the day's traffic (one message, one JSON record)

This is not "routinely". Perhaps we could move on.

- -- 
richard @ highwayman . com                       "Nothing seems the same
                          Still you never see the change from day to day
                                And no-one notices the customs slip away"


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