On Mon, Jun 28, 2010 at 04:52:48AM +0000, Paul Vixie wrote:
> Rich Kulawiec <r...@gsp.org> writes:
> > This spam came from the "icontact" spammers-for-hire: [snip]
> 
> domains and/or cidrs, plz?

The spam appears to always come from icpbounce.com, so blocking that
on rDNS and/or HELO should suffice.  Observed ranges are:

        66.192.165.128/28
        74.202.227.32/27
        216.27.93.0/25

---Rsk

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