[Mimedefang] Adding support for learning our addresses
David Nelson
dave at itsdave.tv
Sat Jan 28 12:12:42 EST 2006
I subscribe to ip2location.com, which provides geolocation services by
IP address. The info is downloaded on nightly from their web servers
and put into a database. I check the IP addresses contained in the
message against the database and if it's from a foreign country, I block
it.
You can allow some foreign countries through if you choose... it just
takes a little coding.
-- Dave
-----Original Message-----
From: mimedefang-bounces at lists.roaringpenguin.com
[mailto:mimedefang-bounces at lists.roaringpenguin.com] On Behalf Of Philip
Prindeville
Sent: Friday, January 27, 2006 7:46 PM
To: mimedefang at lists.roaringpenguin.com
Subject: Re: [Mimedefang] Adding support for learning our addresses
David F. Skoll wrote:
>Philip Prindeville wrote:
>
>
>From Perl? But the whole thing's pretty silly anyway -- unless your
>server is very unusual, you can hard-code its IP address(es) in your
>filter.
>
>
>
Well, there are a few reasons:
(1) it makes it turn-key so that neophytes can use it more easily;
(2) you can run the same config on a cluster of servers unmodified;
(3) mobile users with dynDNS can use it.
>
>I'm not sure, actually... I never checked. Let's see:
>
>$ whois 206.191.13.82
>
>OrgName: Magma Communications Ltd.
>[...]
>NetRange: 206.191.0.0 - 206.191.63.255
>CIDR: 206.191.0.0/18
>
>Nope; I guess not.
>
>
Hmmm. I was hoping to be able to blacklist certain countries, etc.
like Romania, China, Thailand, etc. that aren't identifiable by rDNS.
I suppose a way to manually reset a blacklisting could be done.
Or do apply it per a criteria.
BTW: my SpamAssassin pukes at "use_terse_report 1". What version
does that apply to?
-Philip
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