[kmail2] [Bug 319909] New: JIRA emails are not threaded in message list

[Tomasz Kalkosiński]

https://bugs.kde.org/show_bug.cgi?id=319909

            Bug ID: 319909
           Summary: JIRA emails are not threaded in message list
    Classification: Unclassified
           Product: kmail2
           Version: 4.10.2
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: message list
          Assignee: kdepim-bugs at kde.org
          Reporter: tomasz2k at poczta.onet.pl

JIRA emails I receive are not threaded in message list. I tried all three
methods: Perfect, Perfect and Reference, Perfect, Reference and Subject.

I think the reason is that these messages have both In-Reply-To and References
headers filled, but there is never a parent with such ID. So they are in the
same thread, but there is never a thread parent. JIRA developers say that it is
set so, because you can start receiving mail during issue workflow, not from
the begining, so they mark threads correctly with the same ID, but there is
never parent.

I suspect that for some reason it never gets to Thread by Subject pass, so it
would be matched perfectly. Subject is complicated as well.

Below are two samples of messages in same thread, but not threaded in KMail2.

Delivery-date: Thu, 16 May 2013 14:34:33 +0200
Date: Thu, 16 May 2013 14:33:37 +0200 (CEST)
From: "X" <jira at company.com>
To: X at company.com
Message-ID: <JIRA.139572.1368538114000.23735.1368707617359 at jira.company.com>
In-Reply-To: <JIRA.139572.1368538114000 at jira.company.com>
References: <JIRA.139572.1368538114000 at jira.company.com>
MIME-Version: 1.0
Precedence: bulk
Auto-Submitted: auto-generated
X-JIRA-FingerPrint: fb2cdf5241d4431752db9b302372a195
Received-SPF: none client-ip=172.31.254.38; envelope-from=jira at company.com;
 helo=company.com
Subject: [Mailing.list] [company JIRA] (XXX-897) Error changing Permision
    profile for agents
X-BeenThere: mailing.list at company.com
X-Mailman-Version: 2.1.15
List-Id: <mailing.list.company.com>


Delivery-date: Thu, 16 May 2013 14:40:27 +0200
Date: Thu, 16 May 2013 14:39:37 +0200 (CEST)
From: "X" <jira at company.com>
To: mailing.list at company.com
Message-ID: <JIRA.139572.1368538114000.23744.1368707977266 at jira.company.com>
In-Reply-To: <JIRA.139572.1368538114000 at jira.company.com>
References: <JIRA.139572.1368538114000 at jira.company.com>
MIME-Version: 1.0
Precedence: bulk
Auto-Submitted: auto-generated
X-JIRA-FingerPrint: fb2cdf5241d4431752db9b302372a195
Received-SPF: none client-ip=172.31.254.38; envelope-from=jira at company.com;
 helo=company.com
Subject: [Mailing.list] [company JIRA] (BUGS-897) Error changing Permision
    profile for agents
X-BeenThere: mailing.list at company.com
X-Mailman-Version: 2.1.15
List-Id: <mailing.list.company.com>


Reproducible: Always

Actual Results:  
Message list not threaded.

Expected Results:  
Message list threaded by References.

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