Which domain?  It looks like it passed through several. Personally I think somethng somewhere stripped something out of the message hopefully for a good reason.  I don't think it is worth more effort to pursue.  However, in case someone has their curiosity aflame here is the source (names and most of the jpeg edited out):

From - Mon Jul 19 15:10:53 2010
X-Account-Key: account1
X-UIDL: 22940.p,6hryPqNWS8ECwRaUwx+QsuOU0=
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X-Authority-Analysis: v=1.1 cv=vCs5kl2kX19jmXm+zSBWD6jXS7zim8pageeGUzvImnM=
c=1 sm=1 a=Xgx1Tm3OgQcA:10 a=FKkrIqjQGGEA:10 a=6+LW9L2C7c3kR1/iXZnDzQ==:17
a=nIsmUe1uAAAA:8 a=Hd4JvI9PAAAA:8 a=FBdnhxGjns9daqw2kDcA:9
a=bXvI723Xiyd9M6vKOq0BU9VOGjgA:4 a=QEXdDO2ut3YA:10 a=0NvF2V1XgBsA:10
a=fgaDyQ9hHf4A:10 a=ga02sU-nzH0TIi41M8AA:9 a=rIonuNpdNswE7DHUNnoA3NjZD9IA:4
a=KQqxNPgzF0kA:10 a=aKCJsZssqKM4jX8A:18 a=6+LW9L2C7c3kR1/iXZnDzQ==:117
Date: Mon, 19 Jul 2010 13:17:50 -0500 (CDT)
From: xxxxxxx@mchsi.com
To: "me" <xxx_me_xxx@mchsi.com>
Message-ID: <941696708.1676541279563470145.JavaMail.root@dsmdc-mail-mbs6>
In-Reply-To: <FDE1EC0C18A70749B590FF3B977B6D83012AAA6B@rp-exch2003.royal.dest1.com>
Subject: Fwd: Funny one!
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_Part_45745_587393387.1279563470137"
X-Originating-IP: [10.4.20.181]
X-Mailer: Zimbra 5.0.19_GA_3083.RHEL5_64 (ZimbraWebClient - FF3.0 (Win)/5.0.19_GA_3083.RHEL5_64)

------=_Part_45745_587393387.1279563470137
Content-Type: multipart/alternative;
boundary="----=_Part_45746_338330050.1279563470137"

------=_Part_45746_338330050.1279563470137
Content-Type: multipart/related;
boundary="----=_Part_45747_1923936741.1279563470137"

------=_Part_45747_1923936741.1279563470137
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


----- Forwarded Message -----
From: "xxxxxxxxxxxx" <xxxxxxxx@destinationhotels.com>
To: xxxxxxx@mchsi.com
Sent: Monday, July 19, 2010 8:19:26 AM GMT -07:00 U.S. Mountain Time (Arizona)
Subject: Funny one!




My wife was stopped for excessive speeding yesterday!

She thought she could talk her way out of a ticket until the officer looked at our dog in the back seat..


cid:82E5A786026D48CFB93EDE028A88F0EB@SportdocPC





------=_Part_45747_1923936741.1279563470137
Content-Type: image/jpeg; name=image001.jpg
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename=image001.jpg
Content-Description: image001.jpg
Content-ID: <image001.jpg@01CB271B.1A0D9890>

/9j/4AAQSkZJRgABAQEASABIAAD//gAMQXBwbGVNYXJrCv/bAIQABwUFBgUFBwYGBggHBwgKEQsK
CQkKFA8PDBEYFRkZFxUXFxodJSAaHCMcFxchLCEjJygqKioZHy4xLSkxJSkqKAEHCAgKCQoTCwsT
---------------<snip>----------------
UBegPmgon86necKg3UE0Ek/mepo3iq2407NAFjzPejzKq5p4figCfzKPM5qDfR5xBoEXUn+WnefV
QXIx/wDWpftI/wAigk//2Q==
------=_Part_45747_1923936741.1279563470137--

------=_Part_45746_338330050.1279563470137--

------=_Part_45745_587393387.1279563470137--



On Fri, Jul 23, 2010 at 9:00 AM, Stephen <cryptworks@gmail.com> wrote:
you try contacting the admin of the domain about it?

On Wed, Jul 21, 2010 at 9:24 AM, Dazed_75 <lthielster@gmail.com> wrote:
> I appreciate the info but I'm not sure it explains anything.  My suspicion
> is that it might be a link to some embedded malware or something nasty.  The
> fact that hovering the mouse over the link shows the resolution to be
> "about:blank" and that there was an image attached to the email make me
> wonder if it might point to something embedded in the image that purports to
> be the "about:blank" page but also contains some kind of malware.
>
> I did not want to click on it even though I was on linux.  I did want to try
> to figure it out in case I should let my friend know about it (he runs
> windows).  I have no idea how to figure that out.
>
> On Mon, Jul 19, 2010 at 3:22 PM, James Finstrom
> <jfinstrom@rhinoequipment.com> wrote:
>>
>>    The Uniform Resource Locator (URL) schemes, "cid:" and "mid:" allow
>>    references to messages and the body parts of messages.  For example,
>>    within a single multipart message, one HTML body part might include
>>    embedded references to other parts of the same message.
>>
>> http://www.ietf.org/rfc/rfc2111.txt
>>
>> On Mon, Jul 19, 2010 at 3:19 PM, Dazed_75 <lthielster@gmail.com> wrote:
>>>
>>> Got an email from a friend.  It includes a link that looks strange and
>>> seems to have no place in the context of the email.  Hovering the cursor
>>> over it seems to show that it resolves to "about:blank".  Here is is with
>>> some spaces inserted to make it not be active:
>>>
>>> cid : 82 E5A786026D48CFB93EDE028A88F0EB @ SportdocPC
>>>
>>> Anyone know?
>>>
>>> --
>>> Dazed_75 a.k.a. Larry
>>>
>>> The spirit of resistance to government is so valuable on certain
>>> occasions, that I wish it always to be kept alive.
>>>   - Thomas Jefferson
>>>
>>> ---------------------------------------------------
>>> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us
>>> To subscribe, unsubscribe, or to change your mail settings:
>>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>>
>>
>>
>> --
>> James Finstrom
>> Rhino Equipment Corp.
>> http://rhinoequipment.com ~ http://postug.com
>> Phone: 1-877-RHINO-T1 ~ FAX: +1 (480) 961-1826
>> Twitter: http://twitter.com/rhinoequipment
>> IP: guest@asterisk.rhinoequipment.com
>>
>>
>>
>> ---------------------------------------------------
>> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us
>> To subscribe, unsubscribe, or to change your mail settings:
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>
>
>
> --
> Dazed_75 a.k.a. Larry
>
> The spirit of resistance to government is so valuable on certain occasions,
> that I wish it always to be kept alive.
>   - Thomas Jefferson
>
> ---------------------------------------------------
> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us
> To subscribe, unsubscribe, or to change your mail settings:
> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>



--
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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--
Dazed_75 a.k.a. Larry

The spirit of resistance to government is so valuable on certain occasions, that I wish it always to be kept alive.
  - Thomas Jefferson