From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/35040 Path: main.gmane.org!not-for-mail From: Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai =?iso-8859-1?q?Gro=DFjohann?=) Newsgroups: gmane.emacs.gnus.general Subject: Re: `user-mail-address' for message-ids Date: 27 Feb 2001 22:56:45 +0100 Sender: owner-ding@hpc.uh.edu Message-ID: References: <20010223133030.B14991@mastaler.com> NNTP-Posting-Host: coloc-standby.netfonds.no Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: main.gmane.org 1035170848 887 80.91.224.250 (21 Oct 2002 03:27:28 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Mon, 21 Oct 2002 03:27:28 +0000 (UTC) Return-Path: Original-Received: from lisa.math.uh.edu (lisa.math.uh.edu [129.7.128.49]) by mailhost.sclp.com (Postfix) with ESMTP id 24F90D049D for ; Tue, 27 Feb 2001 16:58:32 -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 PAB07443; Tue, 27 Feb 2001 15:57:12 -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 15:56:33 -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 PAA15468 for ; Tue, 27 Feb 2001 15:56:20 -0600 (CST) Original-Received: from waldorf.cs.uni-dortmund.de (waldorf.cs.uni-dortmund.de [129.217.4.42]) by mailhost.sclp.com (Postfix) with ESMTP id DF497D049D for ; Tue, 27 Feb 2001 16:56:47 -0500 (EST) Original-Received: from marcy.cs.uni-dortmund.de (marcy.cs.uni-dortmund.de [129.217.20.159]) by waldorf.cs.uni-dortmund.de with ESMTP id WAA10651 for ; Tue, 27 Feb 2001 22:56:46 +0100 (MET) Original-Received: from lucy.cs.uni-dortmund.de (lucy [129.217.20.160]) by marcy.cs.uni-dortmund.de id WAA01371; Tue, 27 Feb 2001 22:56:46 +0100 (MET) Original-Received: (from grossjoh@localhost) by lucy.cs.uni-dortmund.de (8.9.3/8.9.3/Debian 8.9.3-21) id WAA28601; Tue, 27 Feb 2001 22:56:46 +0100 X-Face: 6=pZ4hVbjN:C?j1$h/-bi4:F%*~B#Rxb$[0%!{5NK"dE:_QRAM]Dzl=$yMu%Rh4xCSm/#>! $n%@SHJ](KFJKL,uF\=G=bRJQC$ ?+Dlxu*pj.Z,-GK<~y7sd/l*PN\]>} ("Jason R. Mastaler"'s message of "27 Feb 2001 14:35:01 -0700") User-Agent: Gnus/5.090001 (Oort Gnus v0.01) Emacs/21.0.99 Precedence: list X-Majordomo: 1.94.jlt7 Original-Lines: 25 Xref: main.gmane.org gmane.emacs.gnus.general:35040 X-Report-Spam: http://spam.gmane.org/gmane.emacs.gnus.general:35040 On 27 Feb 2001, Jason R. Mastaler wrote: > Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai Gro=DFjohann) writes: >=20 >> Suppose one client does time+uid+name and another does >> time+uid+Xname and there is foo@hotmail.com as well as >> Xfoo@hotmail.com. Then it's sufficient for the uid to=20 >> be equal and the time, and -- clash! >=20 > Yes, but the username will not be equal (name !=3D Xname)=20 > and therefore the Message-IDs will differ. No, if one user is named `Xfoo' and the user agent does time+uid+name, then you might get a clash with a user named `foo' and a user agent which does time+uid+Xname. ^ I admit this is a contrived example. But note that, as the number of people increases, the probability of a clash goes up. Dramatically. kai --=20 Be indiscrete. Do it continuously.