On Thu, 17 Jul 2003, Aldo Mari wrote:
> Thanks...but I have understood the theory ..but how I can create a DNSBL ..please
> give me some link or idea to howto and how I could permit to spamassassin to connect
> to my own DNSBL..
> thanks
> ----- Original Message -----
> From: Ernest W. Lessenger
> To: Aldo Mari
> Sent: Thursday, July 17, 2003 6:44 PM
> Subject: Re: [SAtalk] blacklist with ip address
>
>
> You could create your own DNSBL, and then swipe the code from the existing DNSBL
> rules to, e.g., modify them to search the entire message for all IP strings and then
> test them against your own internal DNS server. Sounds easier than it probably is,
> but could be worth the time if it hasn't already been done.
>
> --Ernest
>
> At 05:37 PM 7/17/2003 +0200, you wrote:
>
> YES but If I have list (a blacklist of IPs.....1000 or 10000......) I have to
> write 1000 or 10000 rules in local.cf??
> thanks
Um, you do realize that to create a DNSBL you have to be running your own
DNS server with a DNS zone that you have permission to be authoritiative
for. (this is a non-trivial requirement).
If you just want to set up an IP blacklist, I suggest that you do it
with a MTA.
I have a sendmail 'access database' with over 12000 entries in it.
(I can blacklist individual IPs, whole subnets, whole networks,
or domains with each entry.)
As the access database is stored in a BerkeleyDB format, it is fast
and has almost no overhead.
--
Dave Funk University of Iowa
<dbfunk (at) engineering.uiowa.edu> College of Engineering
319/335-5751 FAX: 319/384-0549 1256 Seamans Center
Sys_admin/Postmaster/cell_admin Iowa City, IA 52242-1527
#include <std_disclaimer.h>
Better is not better, 'standard' is better. B{
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