Re: [Exim] whitelisting domains from rbl checking

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Author: David Saez
Date:  
To: exim-users
Subject: Re: [Exim] whitelisting domains from rbl checking
Hi !!

Just some corrections to a better use of dns lookups

> >   deny message = $sender_host_address is listed at $dnslist_domain - see
> > http://www.spamblocked.net
> >        dnslists = sbl.spamhaus.org : \
> >                   relays.ordb.org : \
> >                   smtp.dnsbl.sorbs.net


better user dnslists = sbl.spamhaus.org : \
                       relays.ordb.org : \
                       dnsbl.sorbs.net=127.0.0.5


dnsbl.sorbs.net=127.0.0.5 it's the same as smtp.dnsbl.sorbs.net, but it
allows exim to cache the result and avoid one extra dns lookup.

> >   deny message = $sender_host_address is listed at $dnslist_domain - see
> > http://www.spamblocked.net
> >        hosts = !+relay_hosts
> >        !authenticated = *
> >        dnslists = bl.spamcop.net : \
> >                   dnsbl.njabl.org : \
> >                   cbl.abuseat.org : \
> >                   http.dnsbl.sorbs.net : \
> >                   socks.dnsbl.sorbs.net : \
> >                   misc.dnsbl.sorbs.net : \
> >                   smtp.dnsbl.sorbs.net : \
> >                   web.dnsbl.sorbs.net : \
> >                   block.dnsbl.sorbs.net : \
> >                   zombie.dnsbl.sorbs.net : \
> >                   dul.dnsbl.sorbs.net : \
> >                   rhsbl.sorbs.net


better user dnslists = bl.spamcop.net : \
                       dnsbl.njabl.org : \
                       cbl.abuseat.org : \
               dnsbl.sorbs.net


as dnsbl.sorbs.net includes all the sorbs.net rbl's and needs only one
lookup. Also rhsbl.sorbs.net is not ip based, it's domain based, you
should use it like this

dnslists = rhsbl.sorbs.net/$sender_address_domain


--
Best regards ...

I feel like a fugitive from the law of averages.

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