Mail undelivered after 5 years ...

Got this in my inbox:

Delivered-To: doug.*****@gmail.com
Received: by 10.115.76.9 with SMTP id d9cs504295wal;
Thu, 1 Mar 2007 19:41:34 -0800 (PST)
Received: by 10.100.190.8 with SMTP id n8mr894684anf.1172806894134;
Thu, 01 Mar 2007 19:41:34 -0800 (PST)
Return-Path: <>
Received: from acm26-4.acm.org (acm26-4.acm.org [63.118.7.109])
by mx.google.com with ESMTP id c14si3777055ana.2007.03.01.19.41.31;
Thu, 01 Mar 2007 19:41:34 -0800 (PST)
Received-SPF: pass (google.com: best guess record for domain of acm26-4.acm.org designates 63.118.7.109 as permitted sender)
Received: from psmtp.com ([64.18.2.106])
by acm26-4.acm.org (ACM Email Forwarding Service) with SMTP id HGR42231
for <***@acm.org>; Thu, 01 Mar 2007 22:41:31 -0500
Received: from source ([65.54.246.237]) by exprod7mx56.postini.com ([64.18.6.14]) with SMTP;
Thu, 01 Mar 2007 19:41:31 PST
Received: from BAY107-W16 ([64.4.51.116]) by bay0-omc3-s37.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2668);
Thu, 1 Mar 2007 19:41:31 -0800
Message-ID:
From: <>
Bcc:
Return-Path: <>
X-OriginalArrivalTime: 02 Mar 2007 03:41:31.0016 (UTC) FILETIME=[AA891880:01C75C7C]
Date: 1 Mar 2007 19:41:31 -0800
From: postmaster@mail.hotmail.com
To: ***@acm.org
Date: Thu, 01 Mar 2007 19:41:30 GMT
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary="9B095B5ADSN=_B0C04FF087794CBC9BF7AD1D6CA?WOM1.labinte"
X-DSNContext: 7ce717b1 - 1196 - 00000002 - 00000000
Subject: Delivery Status Notification (Failure)
Return-Path: <>
X-pstn-levels: (S: 3.13080/99.90000 R:95.9108 P:95.9108 M:97.0282 C:98.6951 )
X-pstn-settings: 3 (1.0000:1.0000) s gt3 gt2 gt1 r p m c
X-pstn-addresses: [1599/58]

This is a MIME-formatted message.
Portions of this message may be unreadable without a MIME-capable mail program.

--9B095B5ADSN=_B0C04FF087794CBC9BF7AD1D6CA?WOM1.labinte
Content-Type: text/plain; charset=unicode-1-1-utf-7

This is an automatically generated Delivery Status Notification.

Delivery to the following recipients failed.

karen_***@hotmail.com




--9B095B5ADSN=_B0C04FF087794CBC9BF7AD1D6CA?WOM1.labinte
Content-Type: message/delivery-status

Reporting-MTA: dns;imc2-s4.hotmail.com
Received-From-MTA: dns;wim1-s4.hotmail.com
Arrival-Date: Thu, 01 Mar 2007 19:38:30 GMT

Final-Recipient: rfc822;karen_***@hotmail.com
Action: failed
Status: 5.5.0
Diagnostic-Code: smtp;550 Requested action not taken: mailbox unavailable

--9B095B5ADSN=_B0C04FF087794CBC9BF7AD1D6CA?WOM1.labinte
Content-Type: message/rfc822

Received: from fmailg1.svr.pol.co.uk ([195.92.195.183]) by hotmail.com with Microsoft SMTPSVC(5.0.2195.4905);
Fri, 7 Jun 2002 12:33:05 -0700
Received: from [195.92.193.24] (helo=mail13.svr.pol.co.uk)
by fmailg1.svr.pol.co.uk with esmtp (Exim 3.35 #1)
id 17FyvH-0003Wi-00
for karen_***@hotmail.com; Thu, 06 Jun 2002 16:11:35 +0100
Received: from modem-70.chlorine.dialup.pol.co.uk ([62.136.16.70] helo=oemcomputer)
by mail13.svr.pol.co.uk with smtp (Exim 3.35 #1)
id 17FyvG-00025F-00
for karen_***@hotmail.com; Thu, 06 Jun 2002 16:11:35 +0100
From: "Doug Moncur" <***@acm.org>
To: "Karen"
Subject: Rather delayed email ...
Date: Thu, 6 Jun 2002 16:09:08 +0100
Message-ID:
MIME-Version: 1.0
Content-Type: text/plain;
charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0)
Importance: Normal
X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300
Return-Path: ***@acm.org
X-OriginalArrivalTime: 07 Jun 2002 19:33:05.0816 (UTC) FILETIME=[25767180:01C20E5A]

Obviously I've anonimized it but there you are - took hotmail almost 5 years to decide it couldn't deliver something! - that's email systems for you ...