Regarding duplicate messages on debian-user, here is the relevant portion of the headers from a recent one :
~~~~~~~~~~~~~~~~~~~~ Received: from murphy.debian.org ([216.234.231.6]) by ritvax.isc.rit.edu (PMDF V5.2-32 #40294) with SMTP id <[EMAIL PROTECTED]> for [EMAIL PROTECTED] (ORCPT rfc822;[EMAIL PROTECTED]); Wed, 16 Jan 2002 15:25:34 -0500 (EST) Received: (qmail 6608 invoked by uid 38); Wed, 16 Jan 2002 20:13:00 +0000 Received: (qmail 6118 invoked from network); Wed, 16 Jan 2002 20:12:51 +0000 Received: from unknown (HELO imail.imaginet.co.za) (196.15.145.6) by murphy.debian.org with SMTP; Wed, 16 Jan 2002 20:12:51 +0000 ~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~ Received: from murphy.debian.org ([216.234.231.6]) by ritvax.isc.rit.edu (PMDF V5.2-32 #40294) with SMTP id <[EMAIL PROTECTED]> for [EMAIL PROTECTED] (ORCPT rfc822;[EMAIL PROTECTED]); Wed, 16 Jan 2002 15:57:10 -0500 (EST) Received: (qmail 6608 invoked by uid 38); Wed, 16 Jan 2002 20:13:00 +0000 Received: (qmail 6118 invoked from network); Wed, 16 Jan 2002 20:12:51 +0000 Received: from unknown (HELO imail.imaginet.co.za) (196.15.145.6) by murphy.debian.org with SMTP; Wed, 16 Jan 2002 20:12:51 +0000 ~~~~~~~~~~~~~~~~~~~~ Everything is identical up to the point that murphy.d.o transfers the message to my school's MX handler. It seems that murphy is the one causing the duplicates. Too bad qmail doesn't provide more information. -D -- Trust in the Lord with all your heart and lean not on your own understanding; in all your ways acknowledge Him, and He will make your paths straight. Proverbs 3:5-6