What BlackLists to use..

Vlad Mazek vlad at MAZEK.COM
Wed Jan 26 17:02:49 GMT 2005


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Actually, thats the best part and the most efficient depending on the amount of
users you have to support. The closer to the actual connection you can block
people (firewall, MTA) the better.

The only downside to blocking at MTA is that you can't "ignore" hosts that are
on the RBL's so if your business partners get on an RBL you have to get
creative about routing mail from them.

-Vlad Mazek
ExchangeDefender

Quoting Koen Teugels <kte at NEXIS.BE>:

>
>
>
>
>
>
>
> I'm using thes in the sendmail configuration.
>
> Is this to much?
>
>
>
> Koen
>
>
>
> FEATURE(`dnsbl', `relays.ordb.org',
> `"550 Email rejected due to sending server misconfiguration - see
> http://www.ordb.org/faq/\#why_rejected"')dnl
>
>
> FEATURE(`dnsbl',`combined.njabl.org',`Message
> from $&{client_addr} rejected - see
> http://njabl.org/lookup?$&{client_addr}')dnl
>
>
> FEATURE(`dnsbl',`sbl-xbl.spamhaus.org',
> `Email categorized as SPAM and blocked using Spamhaus SBL+XBL service -
> see
> http://cbl.abuseat.org/lookup.cgi?ip=$&{client_addr}&.
> submit=Lookup')dnl
>
>
> define(`confBIND_OPTS',
> `WorkAroundBrokenAAAA')dnl
>
>
> FEATURE(`enhdnsbl', `bl.spamcop.net',
> `"Spam blocked see:
> http://spamcop.net/bl.shtml?"$&{client_addr}')dnl
>
>
>
>
>
>
>
> Julian Field wrote:
> I
> use those 2 myself. I wouldn't recommend more than 2 or at most 3 spam
>
>
> lists defined there, or else things will start to slow down.
>
>
>
>
> You are better off leaving most of the RBL checking to SpamAssassin.
>
>
>
>
> Marcel Blenkers wrote:
>
>
>
>
>   Hi there,
>
>
>
>
> currently i am using the following option:
>
>
>
>
> Spam List = ORDB-RBL SBL+XBL
>
>
>
>
> are there other Blacklists i could consider checking and which are free
> of
>
>
> charge?
>
>
>
>
> So..in fact..i am asking:
>
>
>
>
> are you using this option..and what do you inserted here? ;)
>
>
>
>
>
> Thanks in advance again
>
>
>
>
>
>
>
> --
>
>
> Julian Field
>
>
> www.MailScanner.info
>
>
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>
>
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--
Vladimir Mazek
vlad at mazek.com
(407) 729-7501

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