Works perfectly. Thanks very much!

-Marc


----- Original Message ----- 
From: "Sam Clippinger" <[EMAIL PROTECTED]>
To: "spamdyke users" <[email protected]>
Sent: Thursday, April 10, 2008 5:37 PM
Subject: Re: [spamdyke-users] Black/whitelists first?


> You really just need to move the DNS RBL/RHSBL tests from their current
> location (just after the initial connection) to after the recipient
> blacklist test.
>
> In version 3.1.7, all of the changes should be made in spamdyke.c.  The
> DNS RBL and RHSBL tests are in two blocks, between lines 2817 and 2838,
> in run_tests() (marked with comments saying "Check DNS RBL" and "Check
> RHSBL").  You'll want to move those lines to smtp_filter(), above the
> graylist tests that start on line 1212.  They'll need to be contained
> inside an "else" block at the end of the "if/elseif/elseif" sequence
> that starts on line 1165.
>
> Be sure to change the final "elseif" (the recipient blacklist test) to
> surround the "for" loop in a "{}" block.  Otherwise your new "else" will
> be interpreted inside the loop instead of becoming part of the
> "if/elseif/elseif" sequence.
>
> I hope that makes sense.  I could probably whip out a patch against the
> unmodified version 3.1.7 if that would be better.
>
> DISCLAIMER: Be sure to test thoroughly!  I'm only looking at the code as
> I type this; I haven't even tried to compile these changes or test them
> in any way.
>
> -- Sam Clippinger
>
> Marc Van Houwelingen wrote:
>> Sounds like the new version will help me out quite a bit.
>>
>> For now, maybe I could just insert a redundant black/whitelist check 
>> above
>> the RBL code? I already have a small mod of my own in there for something
>> wildcard related.
>>
>> Perhaps you could just point me to the line number where I could insert 
>> code
>> such that it would be read just before the RBL code? I'm happy to play 
>> with
>> this myself.
>>
>> -Marc
>>
>>
>> ----- Original Message ----- 
>> From: "Sam Clippinger" <[EMAIL PROTECTED]>
>> To: "spamdyke users" <[email protected]>
>> Sent: Wednesday, April 09, 2008 2:57 PM
>> Subject: Re: [spamdyke-users] Black/whitelists first?
>>
>>
>>> In the current version, you'd have to edit the source and it's not a
>>> small change.  In the upcoming version, I've already reordered the tests
>>> this way.  Changing the order will still require editing the source but
>>> the changes will be much smaller (I've refactored the filter code quite
>>> a bit).
>>>
>>> spamdyke checks DNS RBLs first because it tries to find a way to reject
>>> the incoming connection as quickly as possible.  For example, if the
>>> connection matches a DNS RBL and you're not using sender/recipient
>>> whitelist files or SMTP AUTH, spamdyke will not start qmail at all -- it
>>> will imitate an SMTP server long enough to reject the connection.  When
>>> I wrote that code, I judged it was more important to close qmail than to
>>> prevent DNS queries.  Because so many spamdyke installations are using
>>> sender/recipient whitelists and SMTP AUTH, this logic has become 
>>> outdated.
>>>
>>> -- Sam Clippinger
>>>
>>> Marc Van Houwelingen wrote:
>>>> I have a domain that is constantly bombarded with incoming spam. The
>>>> spam comes in by the thousands, all to random names @mydomain.com.
>>>> Spamdyke is successfully blocking all of them using
>>>> recipient-blacklist-file to block the domain and
>>>> recipient-whitelist-file to allow the 10 or 15 actual legit exceptions.
>>>>
>>>> This works great - but the problem is Spamdyke usually rejects most of
>>>> this incoming junk for other reasons (RDNS, RBL, etc) before even
>>>> checking the blacklist file. The net result is the same of course, but
>>>> my mail server ends up having done a bunch of extra DNS/RBL lookup work
>>>> when it could have rejected the email simply based on the recipient.
>>>>
>>>> My question is: Is there a way to make Spamdyke check the
>>>> recipient-[black|white]list-files before doing the other 
>>>> resource-costly
>>>> lookups?
>>>> -Marc
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------
>>>>
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>>
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