Hi John,
At 16:42 23-06-2009, John Marshall wrote:
>Thanks but I was looking to hook into whatever generates those log
>messages.  When I first set up DKIM I did as you suggested but it killed
>off any of our messages which went through mailing lists: neither we nor
>anybody else with ADSPDiscard true would receive those messages.  So, we
>are stuck with an "unknown" ADSP until everybody works out what to do
>with mailing lists and DKIM.

The external notice will be logged for mailing list traffic.  You 
will see something similar to the line below in your mail log:

   external host lists.sourceforge.net attempted to send as example.com

>I'm looking for something like 'ExternalStrict' or 'ExternalDiscard'
>which could be set true to reject messages from "external" hosts which
>are not found in 'ExternalIgnoreList'.  As far as I can see, the DKIM
>filter is the only filter with enough clues to make that decision.
>Apart from that, the message has to run the gauntlet of subsequent
>filters and (hopefully) be rejected on other grounds.

You can hack dkim-milter to reject the message if you know which 
hosts are sending mailing list traffic.  Set a flag around line no. 
6481 in dkim-filter.c.  In the mlfi_eom() routine, test for that flag 
and reject.  That would be like an "On-External" action.

Regards,
-sm  


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