Yes, this is certainly possible. Right now spamdyke identifies the RBL
in its message to the remote server but not in the logs. Good idea!
What would be a good way to log this information (preferably without
breaking existing scripts)? I'm thinking as I type here, but spamdyke
already follows the rejection reason with parenthesis (when the log
level is high enough) to indicate which file/line matched for file-based
filters... perhaps the same could be done for RBLs/RHSBLs. Something
like this:
DENIED_RBL_MATCH(rbl.example.com)
As for reordering the RBLs to put the often-matched ones first, the next
version of spamdyke will make that less necessary. By default, it will
query all RBLs simultaneously, regardless of their order. (That
behavior can be prevented with a new flag -- ordering would be important
in that case.)
-- Sam Clippinger
Michael Colvin wrote:
>
>> To find real numbers, you would have to consider how many
>> connections are accepted, how many are rejected and for what
>> reasons. Then look at the popularity of different spamdyke
>> features and specifically the popularity of different DNS
>> RBLs. Use all that to find out what percentage of rejected
>> connections could avoid the DNS queries due to local tests.
>
> Along those lines, is it possible, or can it be possible, to have spamdyke's
> logs indicate which DNS RBL caused a message to be rejected? I'm assuming
> that once a reason for rejection is found, IE, the IP is listed in a
> particular RBL, further tests against other RBL's in the list are not
> performed? Knowing, statistically, which ones have a higher rejection rate,
> and queuing those first in the list of RBLS might save some time.
>
> Or course, multiple RBLS could reject the same message, and the one first in
> line would have the higher percentage, but this would give us a way to move
> them around and check the results...
>
> Just a thought from a newbie to spamdyke.
>
> BTW, I LOVE Spamdyke! What a difference it has made in my system's ability
> to filter spam and save resources! It's a God send!
>
> Mike
>
>
>
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