ISP signatures on outgoing mail
Ryan Anderson
randerso at ece.eng.wayne.edu
Thu Jul 3 17:21:54 PDT 1997
On Fri, 4 Jul 1997, ? the Platypus {aka David Formosa} wrote:
> There is now meany patchers to avoid mail relaying like this. Good ISP's
> don't let mail to go from an outside site to anoughter outside site.
>
> > (identical to how the ISPs customers drop off mail)
>
> No its diffrent ISP's customers move from the inside to the outside.
Well, with current technology, it's not too difficult to forge DNS
entries, and I imagine you could forge enough entires to confuse a reverse
DNS lookup. But this is really a different issue and I think the most
recent version of Bind fixes some of these problems..
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Ryan Anderson - <Pug Majere> "Who knows, even the horse might sing"
Wayne State University - CULMA "May you live in interesting times.."
randerso at ece.eng.wayne.edu Ohio = VYI of the USA
PGP Fingerprint - 7E 8E C6 54 96 AC D9 57 E4 F8 AE 9C 10 7E 78 C9
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