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DNSBL vs RBL Mail security


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Where should I be putting the servers? under 'Additional DNSBL servers' or 'Additional RBL servers' ? I am using

zen.spamhaus.org
bl.spamcop.net
psbl.surriel.com
b.barracudacentral.org

Currently they are in both, is this right?

antispam.PNG

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  • ESET Staff

Hi,

RBL servers are queried with IP addresses extracted from message headers, DNSBL server are queried with domains and IP addresses extracted from the message body.

So the answer depends on the type of the BL, i.e. Spamhaus could be in both, Spamcop collects only IP's so it's probably sufficient to put it only in Additional RBL servers list, etc..

Best regards,

Matej

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