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[Bug 500367]

 

There is clearly some sort of issue in Thunderbird that I see in support
requests all of the time, that sent messages have odd mimetypes because
of presumably unexpected changes to mimeTypes.rdf. Is that this bug, or
is there another that tracks this?

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https://bugs.launchpad.net/bugs/500367

Title:
  Thunderbird sends .doc attachments with wrong mime-type
  (text/richtext)

Status in Mozilla Thunderbird Mail and News:
  Expired
Status in thunderbird package in Ubuntu:
  Fix Released

Bug description:
  Binary package hint: thunderbird

  Summary: Thunderbird should eliminate bad entries in the mimeTypes.rdf
  file, especially the one that in some cases links .doc files with the
  mime-type "text/richtext".

  Longer explanation: 
  Attaching .doc documents (MS word format, can also be saved by OpenOffice.org) causes the (binary) contents of the file to be displayed inline (like body text): plenty of weird characters, hundreds of question marks etc (see below B.).

  Primary reason: In (my and other people's) mimeTypes.rdf, there is an
  entry that makes TB think that .doc files are of the mime-type
  "text/richtext", instead of "application/msword" (see below A.).
  "text/richtext" attachments are displayed inline, "application/msword"
  attachments not.

  Removing the tag  <NC:fileExtensions>doc</NC:fileExtensions> and
  restarting TB fixes the problem.

  This does NOT happen with a fresh profile, because it does not contain
  the corrupt entry. But still, users suffering from this problem should
  be helped automatically. The GUI does not offer a solution for this,
  as far as I know.

  
  A. The corrupt entry from mimeTypes.rdf: 
    <RDF:Description RDF:about="urn:mimetype:text/richtext"
                     NC:value="text/richtext"
                     NC:editable="true"
                     NC:description="Microsoft Word-Dokument">
      <NC:fileExtensions>doc</NC:fileExtensions>
      <NC:fileExtensions>rtx</NC:fileExtensions>
      <NC:handlerProp RDF:resource="urn:mimetype:handler:text/richtext"/>
    </RDF:Description>

  B. An extract from a corrupted mail: 
  ÐÏࡱá����������������;��þÿ �������������������������������þÿÿÿ��������ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿýÿÿÿÿÿÿÿþÿÿÿ��������������� ��� ��������� ������þÿÿÿ���þÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ (...)

  ProblemType: Bug
  Architecture: i386
  Date: Fri Dec 25 15:57:31 2009
  DistroRelease: Ubuntu 9.10
  InstallationMedia: Xubuntu 9.10 "Karmic Koala" - Release i386 (20091028.3)
  Package: mozilla-thunderbird (not installed)
  ProcVersionSignature: Ubuntu 2.6.31-16.53-generic
  SourcePackage: thunderbird
  Uname: Linux 2.6.31-16-generic i686

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