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People,
I've configured Courier to use the dnsbl.sorbs.net blacklist which I
know my computer's dynamically
assigned ip is in, but using BLOCK2.
Why? because I'm writing a pythonfilter. The problem is that neither
using os.getenv or os.environ
the BLOCK2 env var (which i know should be set, because dnsbl.sorbs.net IS
blocking my IP).
Probably the env var is not available to courierfilters, or
pythonfilter is not forwarding it to my
environment, I don't know, but the Courier docs for esmtpd.BLACKLIST state that:
# The BLOCK environment variable is automatically enforced by submit.
# Nobody really does anything about BLOCK2, this is mainly for use by
# plug-in mail filters. If you want Courier to unilaterally block
# mail from IP addresses listed on the RBL and RSS, and you have a separate
# filter that keys off BLOCK2, uncomment the following.
And this is my setting:
BLACKLISTS="-block=dnsbl.sorbs.net,BLOCK2"
My IP, as you can tell from my message headers, is: 200.89.180.209
Confirmation that it IS blacklisted:
~ $ host -t a 209.180.89.200.dnsbl.sorbs.net
209.180.89.200.dnsbl.sorbs.net has address 127.0.0.10
Am I wrong to believe that BLOCK2 should be accesible within my pythonfilter?
- --
Arturo "Buanzo" Busleiman - Consultor Independiente en Seguridad Informatica
Mail Hosting Seguro y Consultoria - http://www.buanzo.com.ar/pro/
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