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Re: [OCLUG-Tech] sendmail & spam

On May 16, 2005 04:20 pm, you wrote:
> On Mon, May 16, 2005 at 03:52:34PM -0400, Alex at Avantel wrote:
> > May 15 06:08:08 cascades sendmail[25935]: j4FA86lD025935:
> > from=<www [ at ] mailer [ dot ] milenio [ dot ] com [ dot ] mx>, size=39237, class=0, nrcpts=0,
> > bodytype=8BITMIME, proto=ESMTP, daemon=MTA,
> > relay=dsl-201-137-82-106.prod-infinitum.com.mx
> > [201.137.82.106] (may be forged)
> >
> > Anyone know why that last type gets through and what I have to do to
> > sendmail to block that?
>
> You could also block 201.136.* and 201.137.*.  According to 'whois' on
> that IP in the block above, their netblock is 201.136.0.0/15, which
> covers those two prefixes.

Not really - that's just the ISP that provides them with service.  I only have 
about 25 ip addresses that they use in that range plus about 100 more in 
other address blocks.  They're not about to be blocked with an *

Alex
====


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