One more addition:
I found this string elsewhere in these Discussions:
Re: character set
So I went to View>Message>Raw Source, and this is what I found:
X-Apparently-To: michael.graubart@btinternet.com via 46.228.38.50; Sat, 26 Jul 2014 15:07:26 +0000
Return-Path: <kanamodel@bt.com>
Received-SPF: softfail (transitioning domain of bt.com does not designate 65.20.0.12 as permitted sender)
X-YMailISG: QYBv.QUWLDu1e7AYnrqPV8KtSo_cKbjZB.PvICLkUQ6u6U.e
m.OT25wH9X78.lRbTiKq7cjjncHl9EkMsWuBsuzQRurlBGXstZePdz8puqAL
.WZwD_uUmbYTOHJQdkkpi13ZE2D0ZpwthBzHqRMmoT.IEYC9UbZLD7WuZmUs
NNi0C7b0ICKED0meGS8gy4kWlgGYnRqzrWnSgwlRzyu6m0_ziaux9vp1QIGw
Jdszo.OhR_ysIx9Uy5gaV6ZdXN3hj5LoJnqmqsakVzkYr8KFFnjUm50ARWYm
JI60zdi83L4skLDOk.uE4ipsLsfCGUYlBNjxf3qDwIZ1RxJGTm5a2rxliajd
**_xNZhIyDJVDEZtLrCIaV55k0JiPb4TeI4QhUK1LK_f1cjWZMAYVRlkp4tt
06YnnuDdwRKRsZAxakcRFId.p_59SOrHdFpkJl9zDYAw3.7Nj7l9oRgpGVa3
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v6ROsDSS5A.SW8IwDtRE2I9b6cfBqS8l4O1pDGprTOM2d8AFJiNOS1R8tbvh
LJ_nA8F8iz_tCaqvISlTdvOd.Xs1PGuFy8a4klFiWG3K76.2zT6mJgMKpYXH
TMw8RNbKqD09lDfBeosFfxGv5dEiMC5EaieWkBiQjf8A7_9pwLHd3e0bGLmy
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sXbILQAeDeCJHIgeU06stwaAEJU8tomaceYF.Mc.pS4JevGioF3kmR4KeXG_
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wR1BfNWd6crE1qoyiCJ1GNbzpJ7NlT2o4FtcnriSGBR7KD5gAOIuRiXasHG.
u_4ZoWmGu0VxFnSlTwdldnd_jmt2xyOePGfy34Y1o0GiFkQVtkMfq.QyfZOY
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ftDe9a.8rSARMME0j8wC4kb_rU9KQ5sRlJJGRM2_DKxi0bPpI4R66_yd7uhw
N787NQWTi63BTMFXbowuSPcI7Ux6u.hOxsMFzRdr6i6UZ7Vt81D5A_nMDkR2
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ZltEaAc2zBzqpKy.j7mD8BWTVDLUOIH29_mHUAFAzJu3jw--
X-Originating-IP: [65.20.0.12]
Authentication-Results: mta1027.bt.mail.ir2.yahoo.com from=bt.com; domainkeys=neutral (no sig); from=bt.com; dkim=neutral (no sig)
Received: from 127.0.0.1 (EHLO rgin05.bt.ext.cpcloud.co.uk) (65.20.0.12)
by mta1027.bt.mail.ir2.yahoo.com with SMTP; Sat, 26 Jul 2014 15:07:26 +0000
Received: from hubrelay-rd.bt.com (62.239.224.98) by rgin05.bt.ext.cpcloud.co.uk (8.6.122.06)
id 53D2872501F73DBD for michael.graubart@btinternet.com; Sat, 26 Jul 2014 16:07:26 +0100
Received: from EVMHR72-UKRD.domain1.systemhost.net (10.36.3.110) by
EVMHR65-UKRD.bt.com (10.187.101.20) with Microsoft SMTP Server (TLS) id
14.3.181.6; Sat, 26 Jul 2014 16:07:26 +0100
Received: from EPHR03-UKIP.domain1.systemhost.net (147.149.196.181) by
EVMHR72-UKRD.domain1.systemhost.net (10.36.3.110) with Microsoft SMTP Server
(TLS) id 8.3.348.2; Sat, 26 Jul 2014 16:07:25 +0100
Received: from rds09470app43.nat.bt.com (193.113.234.101) by
EPHR03-UKIP.domain1.systemhost.net (147.149.196.181) with Microsoft SMTP
Server (TLS) id 14.3.181.6; Sat, 26 Jul 2014 16:07:25 +0100
Received: from rds09470app43 (localhost [127.0.0.1]) by
rds09470app43.nat.bt.com (8.13.8+Sun/8.13.8) with ESMTP id s6QF7OGC021846 for
<michael.graubart@btinternet.com>; Sat, 26 Jul 2014 16:07:24 +0100 (BST)
Date: Sat, 26 Jul 2014 16:07:24 +0100
From: <kanamodel@bt.com>
Reply-To: <kanamodel@bt.com>
To: <michael.graubart@btinternet.com>
Message-ID: <759515311.29.1406387244556.JavaMail.roschp1b@127.0.0.1>
Subject: Your temporary BT.com password details
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_Part_28_108013518.1406387244524"
X-KanaMessageType: FormMessage
X-Priority: 3
Content-Length: 9221
------=_Part_28_108013518.1406387244524
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
-------------------------------------------------------------------------------
Does this indicate a problem at the sender's end? But why does the e-mail look normal in webmail and in a different mail client than Apple Mail? Does this not indicate a problem in Apple Mail?