[TIKA-2587] DKIM signed mails recognized as text/plain

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.17, 2.0.0
• Fix Version/s: 1.18, 2.0.0
• Component/s: mime
• Assignee: Unassigned
• Reporter: Andreas Meier
• Created: 23/Feb/18 09:38
• Updated: 12/Apr/21 13:00
• Resolved: 26/Feb/18 22:31

Description

DKIM signed mails are not recognized when the mails got no fileextension:

DKIM-Signature: v=1; a=rsa-sha256; s=brisbane; d=example.com;
      c=simple/simple; q=dns/txt; i=[e-mail];
      h=Received : From : To : Subject : Date : Message-ID;
      bh=2jUSOH9NhtVGCQWNr9BrIAPreKQjO6Sn7XIkfJVOzv8=;
      b=AuUoFEfDxTDkHlLXSZEpZj79LICEps6eda7W3deTVFOk4yAUoqOB
        4nujc7YopdG5dWLSdNg6xNAZpOPr+kHxt1IrE+NahM6L/LbvaHut
        KVdkLLkpVaVVQPzeRDI009SO2Il5Lu7rDNH6mZckBdrIx0orEtZV
        4bmp/YzhwvcubU4=;
Received: from client1.football.example.com  [192.0.2.1]
      by submitserver.example.com with SUBMISSION;
      Fri, 11 Jul 2003 21:01:54 -0700 (PDT)
From: Joe SixPack <[e-mail]>
To: Suzie Q <[e-mail]>
Subject: Is dinner ready?
Date: Fri, 11 Jul 2003 21:00:37 -0700 (PDT)
Message-ID: <[e-mail]>

Hi.

We lost the game. Are you hungry yet?

Joe.

DKIM Spec rfc4871

message/rfc822 is only set when the file ends with .eml

The finally verified mail starts with

X-Authentication-Results: shopping.example.net
      header.from=[e-mail]; dkim=pass

which might also be recognized as text/plain.

Check the related Ticket TIKA-2578

Regards

Andreas Meier

(Could not attach the example mails, got the following error: JIRA could not attach the file as there was a missing token. Please try attaching the file again.)

Issue Links

• is related to: TIKA-2578 Mails not recognized when unknown X-headers are present