Twas brillig at 13:52:20 04.12.2009 UTC-05 when mdorman@ironicdesign.com did gyre and gimble: MAD> Err, this makes no sense. How can Mailman have any knowledge of, MAD> and therefore "do anything" to any message that came by way of a MAD> CC? for each subscriber: if subscriber.email in message.cc: continue ... # delivery MAD> Now, your mail transfer agent might do duplicate suppression No, it does not. -- http://fossarchy.blogspot.com/