[kmail2] [Bug 325299] New: When sending Kmail always uses utf-8 encoding despite configuration option

[korgens at yandex.com]

https://bugs.kde.org/show_bug.cgi?id=325299

            Bug ID: 325299
           Summary: When sending Kmail always uses utf-8 encoding despite
                    configuration option
    Classification: Unclassified
           Product: kmail2
           Version: 4.10.5
          Platform: Kubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: commands and actions
          Assignee: kdepim-bugs at kde.org
          Reporter: korgens at yandex.com

In Kmail settings (Configurations -> Configure Kmail -> Compositor -> Character
set encoding) the user can list the character encoding preferences that kmail
will use when sending the email. In theory the first charset that can
acommodate all letters in the message will be used.

It seems that this settings are not followed for message headers. When using
Kmail in a coporate environment where most of the people use MS Outlook/MS
Exchange every Kmail sent message arrives for them incomprehensible. The only
way to send them a correctly encoded mail is to make sure that there are no
non-ascii chars in the heardes. That means manually retyping every email
address to strip people names and the subject line to remove non-ascii
characters. It is also very time consuming and tedious for discussion threads.

By looking at the message source one can see that in some places that encoding
are changed to teh desired (ISO-8859-1, for instance) but in the same message
it also includes utf-8 encoding. This mixing of encodings is not respecting the
settings definitions and it causes other email clientes to incorrectly display
the charset encoding.




Reproducible: Always

Steps to Reproduce:
1. Go to Settings -> Configure Kmail -> Composer -> Character encoding . Remove
all items from the list and add only "ISO-8859-1". Push Apply and then Close.
2. Click on new email to start a new message.
3. On the "TO:" field type "Ação" (that's A ç ã o)
<youraddress at example.com>
4. On the "Subject field" type "Açaí" (That's A ç a í)
5. On the message body, type anything, but include a few non-ascii chars, like:
"Sequência" (ê)
6. In the Sent folder, click on the just sent email and the Manu "view->view
source"
7. See that there should be only ISO-8859-1 tags but there are also UTF-8 tags.
Actual Results:  
From: My Name <my.name at example.com>
To: =?ISO-8859-1?Q?A=E7=E3o?= <my.name at example.com>
Subject: =?UTF-8?B?QcOnYcOt?=
Date: Wed, 25 Sep 2013 10:46:37 -0300
Message-ID: <4109830.nKvFdzYvjl at hostname>
X-KMail-Identity: 243885538
Disposition-Notification-To: My Identity <my.name at example.com>
User-Agent: KMail/4.10.5 (Linux/3.8.0-30-generic; KDE/4.10.5; x86_64; ; )
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="iso-8859-1"

Sequ=EAncia

Expected Results:  
From: My Name <my.name at example.com>
To: =?ISO-8859-1?Q?A=E7=E3o?= <my.name at example.com>
Subject: =?ISO-8859-1?Q?a=E7a=ED?= 
Date: Wed, 25 Sep 2013 10:46:37 -0300
Message-ID: <4109830.nKvFdzYvjl at hostname>
X-KMail-Identity: 243885538
Disposition-Notification-To: My Identity <my.name at example.com>
User-Agent: KMail/4.10.5 (Linux/3.8.0-30-generic; KDE/4.10.5; x86_64; ; )
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="iso-8859-1"

Sequ=EAncia

It seems that there is indeed an error and that is the fact that Kmail is not
respecting the encoding preferences.

Although kmail itself can handle multiple different encodings, it seems that MS
products can't. This annoys MS Outlook and MS Exchange users. Some of them are
already questioning that should I use their non-free system, they would not be
annoyed.

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