Recommended spam.lists and/or sendmail dnsbl settings?

[Joost Waversveld]

Scott Silva wrote:
> on 12/4/2007 5:57 PM Budi Febrianto spake the following:
>> Scott Silva wrote:
>>>> This is what I currently have in sendmail.mc
>>>>
>>>> FEATURE(`dnsbl',`sbl-xbl.spamhaus.org', `"554 Rejected " 
>>>> $&{client_addr} " - see http://www.spamhaus.org/SBL/"')dnl
>>>> FEATURE(`dnsbl', `dnsbl.njabl.org', `"554 Rejected " 
>>>> $&{client_addr} " - see http://dnsbl.njabl.org/method.html"')dnl
>>>> FEATURE(`dnsbl', `bl.spamcop.net',         `"554 Rejected " 
>>>> $&{client_addr} " found in bl.spamcop.net"')dnl
>>>> FEATURE(`dnsbl', `chinanet.blackholes.us', `"554 Rejected " 
>>>> $&{client_addr} " found in chinanet.blackholes.us"')dnl
>>>>
>>>>
>>>>
>>> If you put your spamhaus lookups at the bottom, you will generate 
>>> less traffic to them. The sendmail RBL lookups are serial and stop 
>>> on the first positive.
>> ah, so if I put zen.spamhaus.org at the bottom of the list, it will 
>> reduce a lot of query to spamhaus, so I should be safe ( I hope so).
>> I will put bl.spamcop.net at first, and  two or three others before 
>> zen.spamhaus.org.
>>
> Spamcop will probably catch a large portion, at least 60% or better.
> You could also put cbl.abuseat.org before spamhaus, even if it is a 
> double lookup, because that list is a significant portion of the zen 
> list, and will cut lookups to zen even more.
>
Because of your message I was looking on the website of the 
cbl.abuseat.org and founf on http://cbl.abuseat.org/faq.html the 
following text:
------------------------------------------------------------------------------------------
If you wish to download the CBL zone, YOU MUST register

WARNING: it is CBL policy that spam filter and spam filter service 
vendors MUST obtain a paid-for feed from Spamhaus. Filter providers that 
do not have a paid-for feed from Spamhaus, or who have not registered 
for the CBL feed, MAY find themselves inhibited from obtaining a CBL 
feed without warning.
------------------------------------------------------------------------------------------

I do not know how they count the connections to the servers, but 
officially you will still need an paid-for feed from Spamhaus.



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