Connection Filtering with Multiple DNSBL's?

Posted by JohnyD on Server Fault See other posts from Server Fault or by JohnyD
Published on 2010-06-08T12:35:48Z Indexed on 2010/06/08 12:42 UTC
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Is there any advantage or disadvantage to using multiple DNSBL's with ones connection filtering? I just switched from SpamHaus to BarracudaCentral but have added in SpamHaus to test for increased effectiveness. So far there is no dip in performance and no increased load on our SMTP server.

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