> > Hello All,
> >
> > I'm using BL in my main.cf config like this:
> > smtpd_recipient_restrictions =
> > .
> > .
> >             reject_rbl_client zen.spamhaus.org,
> >             reject_rbl_client cbl.abuseat.org,
> >             reject_rbl_client safe.dnsbl.sorbs.net,
> >             reject_rbl_client list.dsbl.org,
> > .
> > .
> >
> > So actually BL check already performed on the MTA level.
> >
> > Is it advisable to comment this line in the init.pre in my case (or
> there are
> > another considerations I'm not aware of)?:
> >
> > loadplugin Mail::SpamAssassin::Plugin::URIDNSBL
> 
> 
> The two do very different things.  MTA blacklists are direct rejection of
> incoming smtp connections by the MTA (in this case postfix).  URIDNSBL is
> a
> SpamAssassin check of web sites in message bodies.  Specifically it checks
> message body URIs against sbl.spamhaus.org, SURBL.org, etc.  Best
> practices is
> probably to use both.  Disabling either one will let a lot more spam
> through.
> 
> BTW, please don't use cbl.abuseat.org; it is already included in
> zen.spamhaus.org, so using it creates double the DNS traffic unnecessarily
> and with little or no gain.
> 
> Jeff C.
> 


Thanks for the explanation :)


Regards,
Leon Kolchinsky


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