[Mimedefang] On pinheaded ISP's (sort of OT)

[Adam Lanier]

On Mon, 2007-01-29 at 14:10 -0700, Philip Prindeville wrote:
> But that's exactly the point, isn't it?
> 
> That I'm pointing out to the ISP conclusively that the message
> came to me, via them... in the logs showing that the connection's
> remote end-point was X.X.X.X.  They are saying "That's not
> enough, we need headers [and/or the complete message]."
> 
> If they want to know where it originated, then they will have to
> go through *their* logs and follow the bread-crumb trail
> back to the point of origin.
> 
> Having to present all of the headers (or, really, just the Received:
> headers) isn't reliable for the very reason that you point out:
> they can be forged.
> 
> Logs can't.

Why can't logs be forged?
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