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Topic: TNEF Winmail.dat

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zedekiah
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Posted: 07 July 2009 at 9:07am \| IP Logged

I download and saved an attachment that came through in this format. Is there a way for MailBee IMAP to convert this file to something readible. If I can see the encoding is Application/MS-TNEF I should be able to convert it to .rtf or something.

Igor
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Posted: 07 July 2009 at 1:09pm \| IP Logged

In order to extract files from winmail.dat, GetAttachmentsFromTnef method of Attachment object should be used. You'll find an example here.

--
Regards,
Igor, AfterLogic Support

zedekiah
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Posted: 08 July 2009 at 5:48am \| IP Logged

Its beautiful

zedekiah
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Posted: 08 July 2009 at 12:06pm \| IP Logged

I need to get it in byte[] stream. I have been using GetData() but that does not seem to work with GetAttachmentsFromTnef()

Igor
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Posted: 09 July 2009 at 1:58am \| IP Logged

GetAttachmentsFromTnef method returns AttachmentCollection object. Instead of using SaveAll method, try retrieving attachments from TNEF separately (bw stands for BinaryWriter you have set up):

Code:

foreach (Attachment file in msg.Attachments)

{

  if (file.IsTnef)

  {

    tnef_files = file.GetAttachmentsFromTnef();

    foreach (Attachment tf in tnef_files)

    {

      bw.Write(tf.GetData());

    }

  }

--
Regards,
Igor, AfterLogic Support

zedekiah
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Posted: 09 July 2009 at 4:49am \| IP Logged

thanks. I saved the file to the database and then tried to download it again from the database table. It will not open, I think because the contenttype is application/octet-stream. What is supposed to open that content type?

Igor
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Posted: 09 July 2009 at 5:27am \| IP Logged

"application/octet-stream" stands for binary file of unknown MIME type. You might want to retrieve original content type and file name from tf. along with data itself.

--
Regards,
Igor, AfterLogic Support

zedekiah
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Posted: 09 July 2009 at 5:45am \| IP Logged

http://support.microsoft.com/kb/224817
says there is a contenttype="text/plain" in there as well. I would be happy to get that. Is there a way to go through the message and get all "text/plain" content types?

foreach (MailBee.Mime.Attachment tf in attach.GetAttachmentsFromTnef())
{
TicketAttachmentObj ta = new TicketAttachmentObj();
ta.ContentType = tf.ContentType;
ta.FileName = tf.Filename + ".msg";
ta.FileContents = tf.GetData();
ta.FileSize = attach.Size;
ta.UploadedByUserId = EmailContact.UserId;
ta.UploadedDate = DateTime.Now;
ta.TicketId = ticketId;
ta.Description = "TNEF File";
ta.Save();
}

Andrew
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Posted: 09 July 2009 at 5:49am \| IP Logged

Retrieving text bodies from TNEF files is not supported yet. Moreover, most third-party (non-Microsoft) TNEF parsers support retrieving attachments only. This is because TNEF files contain text bodies extremely rarely, usually, Outlook places only attachments there.

Best regards,
Andrew

zedekiah
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Posted: 09 July 2009 at 6:19am \| IP Logged

BTW, there is in error in the code that prevented download - should be
ta.FileSize = tf.Size;

Anyway, when I save the file as .msg and try to open it, I get this message:

cannot start microsoft outlook. Can't open file C:\whereIsaved\myfile.msg. The file may exist, but you do not have permission to open it, or it may be open in another program. Right-click the folder that contains the file, and then click Properties to check your permissions folder.

Igor
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Posted: 09 July 2009 at 6:32am \| IP Logged

Quote:

when I save the file as .msg

Not sure if I understood this one. What exactly you're trying to save as .msg?

Quote:

cannot start microsoft outlook. Can't open file C:\whereIsaved\myfile.msg. The file may exist, but you do not have permission to open it, or it may be open in another program. Right-click the folder that contains the file, and then click Properties to check your permissions folder.

Did you try to follow these recommendations? The file may indeed be locked by other process.

--
Regards,
Igor, AfterLogic Support

zedekiah
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Posted: 09 July 2009 at 6:35am \| IP Logged

what extension do you suggest then? I followed all the recommendations but still cannot get outlook to open the tnef file. When you save the file there is no extension in the tf.filename. I tried .eml and outlook express opens it, but there is some stuff garbled.

Igor
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Posted: 09 July 2009 at 6:41am \| IP Logged

Still no answer to this one:

Quote:

What exactly you're trying to save as .msg?

If you're retrieving "text/plain", why not calling it .txt file?

--
Regards,
Igor, AfterLogic Support

zedekiah
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Posted: 09 July 2009 at 6:51am \| IP Logged

the .tnef file that has contenttype=application/octet-stream

zedekiah
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Posted: 09 July 2009 at 6:59am \| IP Logged

мы говорим на разных языках

Igor
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Posted: 09 July 2009 at 7:18am \| IP Logged

It's really not clear for us what exactly you're trying to save and for what purpose. E.g.: what do you mean of ".tnef file"? It's how winmail.dat container itself is called, and when you get plain text from there, it will be nothing but a plain text.

--
Regards,
Igor, AfterLogic Support

NB: Please feel free to use our HelpDesk if you'd like to discuss the issue in Russian; this forum is public and most readers do not understand Russian.

zedekiah
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Posted: 09 July 2009 at 10:48am \| IP Logged

The file exists as a .msg in the filesystem. When I attach that file to an email and then use MailBee to save the attachment to the database it never can display correctly. I am beginning to think there must be an attachment within an attachment or something. It is a email within an email within an email.

Andrew
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Posted: 10 July 2009 at 12:04am \| IP Logged

Quote:

The file exists as a .msg in the filesystem.

Let's call it "original_msg.msg".

Quote:

When I attach that file to an email

Let's call it "container_msg".

Quote:

and then use MailBee to save the attachment to the database it never can display correctly.

According to the previous two statements, you're trying to save "original_msg.msg" to the database because it's an attachment of "container_msg".

So, you're trying to display "original_msg.msg" obtained from the database, but it's not clear how you're trying to display it. Only Office Outlook is able to display MSG files correctly.

If you don't use Office Outlook, you should convert the MSG file to EML format before displaying. Anyway, it's not completely clear how this is connected with obtaining something from TNEF.

If you provided us with clear description of the issue, we'd be able to help you. We recommend to continue the discussion through our Helpdesk because understanding this thread would too complex for other users.

BTW, perhaps, it'd be useful to prepare a diagram with messages hierarchy and with description/purpose of each hierarchy level. Until we get clear picture in our minds, we'd be not able to help you.

Best regards,
Andrew

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