Hi Tony,
It doesn't seem to be that. Here are the headers from one of the mangled messages.
Code:
Return-path: <jan@8dd.co.uk>
Envelope-to: jan@8dd.co.uk
Delivery-date: Tue, 31 Mar 2015 16:26:04 +0100
Received: from ns1.cipherwebhost.com ([217.199.165.123]:41331 helo=cipherwebhost.com)
by r8-london.webserversystems.com with esmtps (TLSv1:DHE-RSA-AES256-SHA:256)
(Exim 4.82)
(envelope-from <jan@8dd.co.uk>)
id 1Ycy3G-0004tQ-Ry
for jan@8dd.co.uk; Tue, 31 Mar 2015 16:26:04 +0100
Received: by cipherwebhost.com (Postfix, from userid 10065)
id 3B4933C00737; Tue, 31 Mar 2015 16:21:13 +0100 (BST)
To: jan@8dd.co.uk
Subject: Moleta Munro: Order receipt #30!
X-PHP-Originating-Script: 10065:class.phpmailer.php
Date: Tue, 31 Mar 2015 16:21:13 +0100
From: "jan@8dd.co.uk" <jan@8dd.co.uk>
Message-ID: <0025b7c0b0d197e751cc0751a9f49a3b@moletamunro.com.217-199-165-124.cipherwebhost.com>
X-Priority: 3
X-Mailer: PHPMailer 5.2.7 (https://github.com/PHPMailer/PHPMailer/)
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="b1_0025b7c0b0d197e751cc0751a9f49a3b"
Content-Transfer-Encoding: quoted-printable
Jan