[Mimedefang] rbl checks

John john at jjgb.com
Sat Aug 9 15:04:00 EDT 2003


At 12:33 PM 8/9/2003, you wrote:
>On 8/9/2003 1:53 PM, Bill Friedman wrote:
>
> > The documentation says rbl checking is enabled by default.  I don't know
> > if I somehow deselected that option during some point in the
> > installation or not, but, now that I see where it's set in
> > sa-mimedefang.cf, I'm curious just how it works.  Thanks for any info.
>
>AFAIK, that option doesn't have an install time option.
>
>If you can at all enable rbl checking in the MTA and disable that option
>  it would be *much* better then having SA do it.  It's a lot cheaper for
>the MTA to just bounce the crap because of being linked directly to name
>lookup libs and all than if it has to accept the mail and then feed it
>off to several somewhat Memory, CPU, and I/O hungry processes.
>
>Indeed, I observe that a majority of the spam at my site is being
>bounced through the use of several rbl lists.  I'm not even blocking
>dynamic or dialup IP ranges yet, but I just may soon given the quantity
>of crap emminating from attbi.
>
>Cheers,
>
>~Jason

<snip>

All you need to add in your access file is:
client.attbi.com                550 Go away
client2.attbi.com              550 Go away

That get 98% of the attbi crap <G>  Or if you really wanna get nasty:

attbi.com              550 Go away

AT&T does not use attbi.com domain name mailservers <G>


John Jaeger - Billings, Montana

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"Our liberty is protected by four boxes...
     The ballot box, the jury box, the soap box, and the cartridge box."
                                    - Anonymous

"Soap Box" didn't work, now using the "Cartridge Box" 3/20/2003




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