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Thierry Guérin commented on TIKA-3687: -------------------------------------- Created a pull request: [https://github.com/apache/tika/pull/520.] I went with changing the X|DKIM|ARC headers look-ahead, which was 0 to 1024. Other solution was to increase 1024 to at least 8000 (I have another email in which the first 'From:' is around 6400) in lines 6407-6420. I'm sure someone here has a good idea on which version is the most efficient. > Email file detected as text/html > -------------------------------- > > Key: TIKA-3687 > URL: https://issues.apache.org/jira/browse/TIKA-3687 > Project: Tika > Issue Type: Bug > Affects Versions: 2.3.0 > Reporter: Thierry Guérin > Priority: Minor > Attachments: testRFC822-ARC.eml > > > The attached email (which I redacted from a real email received from > Office365) is detected a HTML. > This is because it contains ARC -* headers, but they're not the first one, so > the matcher that looks for ARC- headers fails, and the matcher for regular > 'From' header also fails because the 'From' headers occurs after 1024 > characters. -- This message was sent by Atlassian Jira (v8.20.1#820001)