duplicate messages on IETF mailing lists
stanislav shalunov <shalunov@internet2.edu> Thu, 26 July 2001 08:40 UTC
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To: ietf@ietf.org
Subject: duplicate messages on IETF mailing lists
From: stanislav shalunov <shalunov@internet2.edu>
Date: Wed, 25 Jul 2001 20:38:30 -0400
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A number of messages sent to various IETF mailing lists have arrived in multiple copies. One such message (just an example that I received five times) is <200107251753.NAA18284@astro.cs.utk.edu>. According to Received lines, this message was received once by astro.cs.utk.edu with an internal id of NAA18284 on Wed, 25 Jul 2001 13:53:38 -0400 (EDT). It was then received by odin.ietf.org with id NAA16715 on Wed, 25 Jul 2001 13:54:01 -0400 (EDT); with id OAA18788 on Wed, 25 Jul 2001 14:14:11 -0400 (EDT); with id OAA21900 on Wed, 25 Jul 2001 14:44:11 -0400 (EDT); with id PAA25476 on Wed, 25 Jul 2001 15:14:10 -0400 (EDT); with id PAA28761 on Wed, 25 Jul 2001 15:44:13 -0400 (EDT). It appears that astro.cs.utk.edu has transmitted the message at least five times, with probably sendmail running with `-q30m' option, the message was transmitted successfully, but astro.cs.utk.edu didn't learn about the success at least the first four times. The only reasonable explanation for this behaviour would be that odin.ietf.org is in violation of RFC1047 (or that astro is broken, which is ruled out by the fact that there are numerous messages from various places sent to various ietf.org lists that arrived in duplicates and triplicates). Since odin says it runs Sendmail 8.9.1a, while in fact that's not what's listening to the incoming SMTP connections (it looks like smap or some other filter) it's hard to actually debug anything. Pure minimal SMTP listener: $ telnet odin.ietf.org 25 Trying 132.151.1.176... Connected to odin.ietf.org. Escape character is '^]'. 220 *********************************2******200**20****0***0*00 ***** EHLO cain 500 Command unrecognized: "XXXX cain" HELP 500 Command unrecognized: "XXXX" QUIT 221 ietf.org closing connection Connection closed by foreign host. May I suggest installing Postfix or a recent version of Sendmail on odin.ietf.org? -- Stanislav Shalunov http://www.internet2.edu/~shalunov/ .signature: I/O Error
- duplicate messages on IETF mailing lists stanislav shalunov
- Re: duplicate messages on IETF mailing lists Vernon Schryver
- Re: duplicate messages on IETF mailing lists Valdis.Kletnieks
- Re: duplicate messages on IETF mailing lists stanislav shalunov
- Re: duplicate messages on IETF mailing lists Keith Moore
- Re: duplicate messages on IETF mailing lists Vernon Schryver
- Re: duplicate messages on IETF mailing lists Gordon Cook
- Re: duplicate messages on IETF mailing lists Robert Elz