Interesting. I have relays.osirusoft.com in my postfix configuration, and mail is still coming through.
I think it's a function of what the default is. Does a non-response mean block, or does a non-response mean let thru. We've configured ours for let through, on the theory that if the given IPA really is a spam source at least one of the other dozen or so dnsbl's that we query will also have it listed.
We did a study once against the dnsbl's reported by moenstaed(sp?). In the course of a week, any IPA blocked by us on the basis of one of our dnsbl's was listed by on average 13-14 dnsbl's. Exactly one IPA all week was listed by less than 6. The high was something listed on 31 of them.
Charles Oriez [EMAIL PROTECTED]
39 34' 34.4"N / 105 00' 06.3"W
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In /dev/null no one can hear you scream...
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