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blacklists

polloxx
Dear,

we use blacklists as a first defense against spammers. We have hese
lists at our postfix server:

  reject_rbl_client pbl.spamhaus.org,
  reject_rbl_client list.dsbl.org,
  reject_rbl_client bl.spamcop.net,
  reject_rbl_client safe.dnsbl.sorbs.net,
  reject_rbl_client cbl.abuseat.org,

Since the end of May blacklisting is performing worse. Is there an
explanation for this?
Are there other good blacklists you can recommend?

thx.
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Re: blacklists

Ralf Hildebrandt
* polloxx <[hidden email]>:

> Dear,
>
> we use blacklists as a first defense against spammers. We have hese
> lists at our postfix server:
>
>   reject_rbl_client pbl.spamhaus.org,
>   reject_rbl_client list.dsbl.org,
>   reject_rbl_client bl.spamcop.net,
>   reject_rbl_client safe.dnsbl.sorbs.net,
>   reject_rbl_client cbl.abuseat.org,
>
> Since the end of May blacklisting is performing worse. Is there an
> explanation for this?

Of course.

Read: http://dsbl.org/
Remove list.dsbl.org

Replace pbl.spamhaus.org with zen.spamhaus.org

Remove cbl.abuseat.org, which is included in cbl.abuseat.org

--
Ralf Hildebrandt
Postfix - Einrichtung, Betrieb und Wartung       Tel. +49 (0)30-450 570-155
http://www.computerbeschimpfung.de
I must confess, I was born at a very early age. - Groucho Marx
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Re: blacklists

d.hill
Quoting Ralf Hildebrandt <[hidden email]>:

> * polloxx <[hidden email]>:
>> Dear,
>>
>> we use blacklists as a first defense against spammers. We have hese
>> lists at our postfix server:
>>
>>   reject_rbl_client pbl.spamhaus.org,
>>   reject_rbl_client list.dsbl.org,
>>   reject_rbl_client bl.spamcop.net,
>>   reject_rbl_client safe.dnsbl.sorbs.net,
>>   reject_rbl_client cbl.abuseat.org,
>>
>> Since the end of May blacklisting is performing worse. Is there an
>> explanation for this?
>
> Of course.
>
> Read: http://dsbl.org/
> Remove list.dsbl.org
>
> Replace pbl.spamhaus.org with zen.spamhaus.org
>
> Remove cbl.abuseat.org, which is included in cbl.abuseat.org

You mean cbl.abuseat.org is included in zen.spamhaus.org.

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Re: blacklists

Ralf Hildebrandt
In reply to this post by Ralf Hildebrandt
* Ralf Hildebrandt <[hidden email]>:

> Of course.
>
> Read: http://dsbl.org/
> Remove list.dsbl.org
>
> Replace pbl.spamhaus.org with zen.spamhaus.org
>
> Remove cbl.abuseat.org, which is included in cbl.abuseat.org

Remove cbl.abuseat.org, which is included zen.spamhaus.org  :) (sorry)

--
Ralf Hildebrandt
Postfix - Einrichtung, Betrieb und Wartung       Tel. +49 (0)30-450 570-155
http://www.computerbeschimpfung.de
"[...] a Microsoft Certified System Engineer is to information
technology as a McDonalds Certified Food Specialist is to the
culinary arts."                          -- Michael Bacarella
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Re: blacklists

Benny Pedersen
In reply to this post by polloxx

On Tors, Juni 18, 2009 15:04, polloxx wrote:
>   reject_rbl_client pbl.spamhaus.org,

change to zen.spamhaus.org

>   reject_rbl_client list.dsbl.org,

still aktive ?

>   reject_rbl_client bl.spamcop.net,

good

>   reject_rbl_client safe.dnsbl.sorbs.net,

properly ok, but i dont use it here

>   reject_rbl_client cbl.abuseat.org,

can be removed if using zen


--
xpoint

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Re: blacklists

Steve-415
In reply to this post by polloxx
On Thu, 2009-06-18 at 15:04 +0200, polloxx wrote:

> Dear,
>
> we use blacklists as a first defense against spammers. We have hese
> lists at our postfix server:
>
>   reject_rbl_client pbl.spamhaus.org,
>   reject_rbl_client list.dsbl.org,
>   reject_rbl_client bl.spamcop.net,
>   reject_rbl_client safe.dnsbl.sorbs.net,
>   reject_rbl_client cbl.abuseat.org,
>
> Since the end of May blacklisting is performing worse. Is there an
> explanation for this?
> Are there other good blacklists you can recommend?
>
> thx.
I note that this one;

no-more-funn.moensted.dk

Often has a good hit rate, but in production I can't speak for its
latency.

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Re: blacklists

d.hill
Quoting "EASY [hidden email]"  
<[hidden email]>:

> On Thu, 2009-06-18 at 15:04 +0200, polloxx wrote:
>> Dear,
>>
>> we use blacklists as a first defense against spammers. We have hese
>> lists at our postfix server:
>>
>>   reject_rbl_client pbl.spamhaus.org,
>>   reject_rbl_client list.dsbl.org,
>>   reject_rbl_client bl.spamcop.net,
>>   reject_rbl_client safe.dnsbl.sorbs.net,
>>   reject_rbl_client cbl.abuseat.org,
>>
>> Since the end of May blacklisting is performing worse. Is there an
>> explanation for this?
>> Are there other good blacklists you can recommend?
>>
>> thx.
> I note that this one;
>
> no-more-funn.moensted.dk
>
> Often has a good hit rate, but in production I can't speak for its
> latency.

Per this phrase on their web site:

"... no-more-funn is designed to block SPAM and other stuff on a  
limited number of mail-servers ..."

it will never be used live on any MTA here.