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  1. Tika
  2. TIKA-1602

Detecting standards-non-compliant emails as message/rfc822

    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.10
    • Component/s: mime
    • Labels:
      None

      Description

      Tika does not properly detect certain emails as `message/rfc822` if they're slightly standards-non-compliant and begin with `Status: ` as the first header. I've added `Status: ` as a magic detection line in tika-mimetypes.xml.

      This solves my problem and does not appear to cause unit test failures. I have not yet run the tika-batch tests.

      As further information, the emails that are processed incorrectly come from dumps directly from various US public officials' mailservers. The dumps, I believe since they're not intended to be transmitted over the wire, sometimes are slightly non-compliant.

      It's important to note that Tika (and the underlying library, James Mime4J) do properly parse these emails, despite the non-compliant header. The problem is getting Tika to detect the file as an email so that Mime4J gets chosen to parse it.

      Pull request on Github at https://github.com/apache/tika/pull/40

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              • Assignee:
                chrismattmann Chris A. Mattmann
                Reporter:
                jeremybmerrill Jeremy B. Merrill
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