From mboxrd@z Thu Jan  1 00:00:00 1970
X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/35013
Path: main.gmane.org!not-for-mail
From: Per Abrahamsen <abraham@dina.kvl.dk>
Newsgroups: gmane.emacs.gnus.general
Subject: Re: `user-mail-address' for message-ids
Date: 27 Feb 2001 18:48:59 +0100
Organization: The Church of Emacs
Sender: owner-ding@hpc.uh.edu
Message-ID: <rjpug4ow38.fsf@ssv2.dina.kvl.dk>
References: <20010223133030.B14991@mastaler.com>
	<rjwvae995c.fsf@ssv2.dina.kvl.dk> <puiwvacnivm.fsf@cyan.acl.lanl.gov>
NNTP-Posting-Host: coloc-standby.netfonds.no
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Trace: main.gmane.org 1035170827 761 80.91.224.250 (21 Oct 2002 03:27:07 GMT)
X-Complaints-To: usenet@main.gmane.org
NNTP-Posting-Date: Mon, 21 Oct 2002 03:27:07 +0000 (UTC)
Return-Path: <owner-ding@hpc.uh.edu>
Original-Received: from lisa.math.uh.edu (lisa.math.uh.edu [129.7.128.49])
	by mailhost.sclp.com (Postfix) with ESMTP id 8A41CD049D
	for <jason@mastaler.com>; Tue, 27 Feb 2001 12:50:21 -0500 (EST)
Original-Received: from sina.hpc.uh.edu (lists@Sina.HPC.UH.EDU [129.7.3.5])
	by lisa.math.uh.edu (8.9.1/8.9.1) with ESMTP id LAB21418;
	Tue, 27 Feb 2001 11:49:20 -0600 (CST)
Original-Received: by sina.hpc.uh.edu (TLB v0.09a (1.20 tibbs 1996/10/09 22:03:07)); Tue, 27 Feb 2001 11:48:40 -0600 (CST)
Original-Received: from mailhost.sclp.com (postfix@66-209.196.61.interliant.com [209.196.61.66] (may be forged))
	by sina.hpc.uh.edu (8.9.3/8.9.3) with ESMTP id LAA12529
	for <ding@hpc.uh.edu>; Tue, 27 Feb 2001 11:48:30 -0600 (CST)
Original-Received: from sheridan.dina.kvl.dk (sheridan.dina.kvl.dk [130.225.40.227])
	by mailhost.sclp.com (Postfix) with ESMTP id 5A089D049D
	for <ding@gnus.org>; Tue, 27 Feb 2001 12:49:01 -0500 (EST)
Original-Received: from ssv2.dina.kvl.dk (ssv2.dina.kvl.dk [130.225.40.226])
	by sheridan.dina.kvl.dk (8.9.3/8.9.3/Debian 8.9.3-21) with ESMTP id SAA20833;
	Tue, 27 Feb 2001 18:48:59 +0100
Original-Received: from abraham by ssv2.dina.kvl.dk with local (Exim 3.12 #1 (Debian))
	id 14XoF9-0002aV-00; Tue, 27 Feb 2001 18:48:59 +0100
Original-To: ding@gnus.org
X-Face: +kRV2]2q}lixHkE{U)mY#+6]{AH=yN~S9@IFiOa@X6?GM<U{B+4e{k79.Ya{~':DblFPCg$
 @60,BfLv2@SKZ19cMWK0/C'v;tM:|6B'R}U1rp6CL&kN({9<zF/V{:JCg27yC)9oZjeqcQawzKfiNL
 t9}`vjmK["dRQC/qGFQq"%u|Q`:6{"Rz}b(dnl_"3$Jtqimi>|8MBp/
In-Reply-To: <puiwvacnivm.fsf@cyan.acl.lanl.gov> ("Jason R. Mastaler"'s message of "27 Feb 2001 10:19:41 -0700")
User-Agent: Gnus/5.090001 (Oort Gnus v0.01) Emacs/20.7
Precedence: list
X-Majordomo: 1.94.jlt7
Original-Lines: 15
Xref: main.gmane.org gmane.emacs.gnus.general:35013
X-Report-Spam: http://spam.gmane.org/gmane.emacs.gnus.general:35013

"Jason R. Mastaler" <jason@mastaler.com> writes:

> Per Abrahamsen <abraham@dina.kvl.dk> writes:
> 
> > Yes.  It would increase the risk of duplicate message ids, i.e. all
> > the users of all the machines in our department share the
> > 'dina.kvl.dk' mail host name, but I'm the only one using ssv2.
> 
> By this argument, using (system-name) for the message-id doesn't
> insure uniqueness.  

Gnus only use (system-name) if it contains a ".".

In general, the client cannot guarantee unique message-ids on
multiuser machines, but we can minimize the risk.