* polloxx <poll...@gmail.com>:
> 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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