Seth <se...@panix.com> wrote:
> Artie Lange <spam...@jamiebaillie.net> wrote:
> > Mark Ferguson wrote:
> >> Vernon Schryver wrote:
> >>> Everyone competent to know run a DNSBL knows that Mark Ferguson
> >>> has never received any email from any address in 223/8 or 10/8
> >>> unless it came from systems on his own private LAN or the private
> >>> network of his own ISP.
> >> Not true.  I have seen reserved space sending spam.
> > Since the reserved IP space is NOT routable on the internet; I find
> > that claim incorrect.
> 1. It's not supposed to be routable.  Plenty of ISPs don't correctly
>    handle the matter.
> 2. It might have come from another user of his ISP.
> 3. IP-address forging used to be feasible.
> 4. "Sending" might be defined as the originator, not the
>    emitter-to-Mark's-ISP.  In that case, it might well have been a
>    private IP address, sending via its own ISP's mailswerver.