From: Justin Piszcz (jpiszczlucidpixels.com)
Date: Sun May 25 2008 - 07:04:30 CDT

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On Sun, 25 May 2008, Paul Hutchings wrote:

> I'm experimenting with various measures to try and stop the amount of
> spam we let in.
>
> Rhsbl client and sender lookups seem quite effective, but how do I get
> them to match on subdomains please?
>
> Currently I'm accepting mail from mtaxyz.theliquidcomet.com or from
> bill<at>whatever.theliquidcomet.com and of course it's not matching and
> blocking it because of the subdomain.
>
> The only setting I could see/find was parent_domain_matches_subdomains
> which is currently empty.
>
> Thanks in advance.

Not possible, write a policy server to do it, I requested the same thing as
well, often spammers will put sjfdshdfhs.domain.com and in the RHSBL it only
lists the domain.com. You need to create a custom policy server to do this,
although it would be very nice if postfix allowed a switch for this as well.

Justin.

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