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From Matus UHLAR - fantomas <>
Subject Re: DNS ISP Host List Available
Date Mon, 02 Jun 2008 11:28:21 GMT
On 30.05.08 15:37, Larry Ludwig wrote:
> IMHO regex setups are even more reliable we do this with our postfix setup.
> For example:
> /^c-.+-.+-.+-.+\..+\..+\.comcast\.net$/                         REJECT
> dynamic ip address use isp for outgoing email - access.regex
> I think is more reliable than just by name or especially by IP since IP
> allocations do change.

looking at we see that there are MANY forms of marking
dynamically allocated space. The score of RDNS_DYNAMIC dropped in the past
(there were FP's reportet iirc) and now it's mostly used in conjuction with
other rules.

If your regexp's are THAT efficient, share them with us please.

btw, our dynamically and statically allocated ranges use very similar naming
scheme, do you know about those? Do you exclude e.g. all names having
"static" in them?
Matus UHLAR - fantomas, ;
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