On Thu, 17 Jan 2002, dman wrote: > 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.
All the information is there. In smtp, duplicates are possible, if other end cuts the connection early without confirming the transfer. Usually this happens with hosts behind slow connections. -- "And if the messenger would shoot first?"
