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Q. Wouldn't it be a good idea to run a local nameserver anyway? So, you can run caching-nameserver to cache blocklist query results.

1. Wiki MarkupYes! In fact, if you're running a busy mailserver, this is _essential_ for efficiency. Two very quick simple solutions are \[http://thekelleys.org.uk/dnsmasq/doc.html dnsmasq\] and \[http://cr.yp.to/djbdns.html djbdns\]. \\ \\efficiency. See CachingNameserver.
   
   

*Q: Does anybody know of a good way to use the \[http://www.cluecentral.net/rbl/showcountries.php cluecentral.net country lists\]? I'd like to penalize certain countries from which I get a lot of spam and almost no real mail. I can't seem to get it working with multiple countries.*

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