The X-MS-TNEF-Correlator: is the key.
If messages are sent using the Exchange family of mail programs
(includes Windows Messaging or Outlook97/98/2000+) and the option to use
Rich Text Format is selected, it puts the RTF message (and any attached
files) in an attachment called WINMAIL.DAT (application/ms-tnef). But
this attachment is useless to most other mail programs. In some mail
programs (e.g. Outlook Express, Windows Live Mail), the attachment won't
even be visible.
The Exchange user can turn off the RTF option for messages to selected
recipients. Note that if sending via an Exchange server, the Exchange
server administrator may be overriding the mail client settings. In
this case, the administrator will need to make changes on the server.
In some cases, the Exchange server actually removes the attachments to
For additional information, see the MS-TNEF WINMAIL.DAT Attachments
Decoding Internet Attachments - A Tutorial http://pages.prodigy.net/michael_san...de.htm#ms-tnef
At the above link is information on several utilities that can be used
to recover the attachment if the sender can't or won't resend it in
plain text (or HTML) mode.
Mike - http://pages.prodigy.net/michael_santovec/techhelp.htm
"Larry" <lkorte2005@xxxxxx> wrote in message
> A person sent me a plain text email with a .doc attachment and cc'd
> another person.
> I did not receive the attachment even though the details tab says an
> attachment - yes.
> The person cc'd received the attachment and they forwarded it to me
> and the attachment then appeared on the forwarded email.
> What is going on? This is a very important client.
> X-MS-Has-Attach: yes
> Thread-Topic: Volunteer story
> Both systems are running Vista business with Windows live mail
> desktop. Updates are good through today.