[kmail2] [Bug 360320] New: kMail 5 garbles original "To" header when bouncing a message

[Gunter Ohrner via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360320

            Bug ID: 360320
           Summary: kMail 5 garbles original "To" header when bouncing a
                    message
           Product: kmail2
           Version: 5.1
          Platform: Kubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: kdebugs at CustomCDROM.de

If the following eMail message is forwarded using kMail's "redirect" feature,
the "To" header is garbled and the mail is rejected by my eMail server. (The
reject might depend on my MTAs config, but the header is invalid/garbled in any
case.)

Received mail in plain text:

Return-path: <mails.kmail-bug-test at gunter.example.com>
Envelope-to: mails.kmail-bug-test at gunter.example.com
Delivery-date: Wed, 09 Mar 2016 18:28:28 +0100
Received: from fw1-ks.relaix.net ([93.159.250.22] helo=zweiblum.localnet)
    by luggage.example.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256)
    (Exim 4.80)
    (envelope-from <mails.kmail-bug-test at gunter.example.com>)
    id 1adhuN-0008F3-Vd
    for mails.kmail-bug-test at gunter.example.com; Wed, 09 Mar 2016 18:28:28
+0100
From: Gunter Ohrner <mails.kmail-bug-test at gunter.example.com>
To: "'mails.kmail-bug-test at gunter.example.com'"
<mails.kmail-bug-test at gunter.example.com>
Date: Wed, 09 Mar 2016 18:28:27 +0100
Message-ID: <7116823.kZxEJ455uF at zweiblum.example.com>
Organization: Ohrner IT GmbH
User-Agent: KMail/5.0.3 (Linux/4.2.0-30-generic; KDE/5.18.0; x86_64; ; )
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain; charset="iso-8859-1"
Subject: Test

Test
-- 
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The future isn't what it used to be.
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+                   PGP-verschlüsselte Mails bevorzugt!                 +
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+




The mail now stuck in my outbox looks as follows:




Return-Path: <mails.kmail-bug-test at gunter.example.com>
Envelope-to: mails.kmail-bug-test at gunter.example.com
Delivery-date: Wed, 09 Mar 2016 18:28:28 +0100
Received: from fw1-ks.relaix.net ([93.159.250.22] helo=zweiblum.localnet) by
luggage.example.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim
4.80) (envelope-from <mails.kmail-bug-test at gunter.example.com>) id
1adhuN-0008F3-Vd for mails.kmail-bug-test at gunter.example.com; Wed, 09 Mar 2016
18:28:28 +0100
From: Gunter Ohrner <mails.kmail-bug-test at gunter.example.com>
Date: Wed, 09 Mar 2016 18:28:27 +0100
Message-ID: <7116823.kZxEJ455uF at zweiblum.example.com>
Organization: Ohrner IT GmbH
User-Agent: KMail/5.0.3 (Linux/4.2.0-30-generic; KDE/5.18.0; x86_64; ; )
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain; charset="iso-8859-1"
Subject: Test
Resent-Message-ID: <201603091829.15351 at zweiblum.example.com>
Resent-Date: Wed, 09 Mar 2016 18:29:15 +0100
Resent-From: Gunter Ohrner <mails.kmail-bug-test at gunter.example.com>
To: 'mails.kmail-bug-test at gunter.example.com',
mails.kmail-bug-test at gunter.example.com
Resent-To: mails.kmail-bug-test-fwd_addr at gunter.example.com

Test
-- 
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The future isn't what it used to be.
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+                   PGP-verschlüsselte Mails bevorzugt!                 +
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+



See how the address consisting of an awkwardly formatted real name and the
acutal address in the original "To" field is now split into two addresses, the
first of which is invalid as it's quoted. My mail server does a header syntax
check, complains and rejects the mail.

Reproducible: Always

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