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https://issues.apache.org/jira/browse/TIKA-2454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16148251#comment-16148251
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Luis Filipe Nassif commented on TIKA-2454:
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Those look like 4 variants of the (container) mbox format. But all of them
contain rfc822 emails, which detection can fail as you have already noted on
TIKA-2042 and TIKA-879. I propose changing line 105 of MBoxParser to:
{code}
mailMetadata.set(Metadata.CONTENT_TYPE_OVERRIDE, "message/rfc822");
{code}
Will do if [[email protected]] does not beat me...
> Emails extracted from PSTs detected as unexpected file types
> ------------------------------------------------------------
>
> Key: TIKA-2454
> URL: https://issues.apache.org/jira/browse/TIKA-2454
> Project: Tika
> Issue Type: Bug
> Components: detector, parser
> Affects Versions: 1.16
> Reporter: Matthew Caruana Galizia
> Fix For: 1.17
>
>
> This issue is severe. The Outlook PST parser extracts a string for the body
> of every email and passes that string to the {{EmbeddedDocumentExtractor}}.
> However, no content type is set on the {{Metadata}} object passed to the
> extractor. Therefore, if for example, the body of the email starts with the
> string "From John Smith." (for example, when an email was forwarded), then
> body of the email is detected as {{application/mbox}} and parsed as though it
> were an mbox file.
> I think the immediate fix for this issue is to force the type of the email to
> {{text/plain}} and for it to be parsed as such.
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