Interesting data - but is it good for anything?

I started collecting host names where the registry barrier part of the
FCrDNS is the same as the registry barrier part of the helo. I don't
know what it's good for - if anything - but looking for ideas as to what
to do with it. Just have a gut level feeling that I'm on to something here.

On 23.05.08 13:43, Marc Perkel wrote:[color=blue]
> I started collecting host names where the registry barrier part of the
> FCrDNS is the same as the registry barrier part of the helo.[/color]

does the FCrDNS stand for 'forward confirmed reverse DNS' ?
[color=blue]
> I don't know what it's good for - if anything - but looking for ideas as
> to what to do with it. Just have a gut level feeling that I'm on to
> something here.[/color]

I doubt it's good for anything. Maybe somewhat complementary to
RCVD_HELO_IP_MISMATCH?
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