Re: [SM-I18N] iso-2022-jp subject line getting munged when using reply or forward

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I think that this is a bug of foldLine function in Deliver.class.php.
It is an issue that line feed is put after =3D when a message is
transmitted.

Please try to test a patch of attached file.
> I'm using SquirrelMail 1.4.3a-1 on RedHat EL 3.0 in a Japanese language
> environment.  Mostly it is working without issue, however recently one
> of my users pointed out that their subject was munged when replying.
>
> this is the comment from the user: (in japanese)
> =E4=BB=B6=E5=90=8D=E3=81=8C=E3=82=82=E3=81=A8=E3=82=82=E3=81=A8=E3=81=AF=
=E3=80=8C=E6=B8=AC=E7=94=A8URL=E7=99=BA=E8=A1=8C=E3=81=AE=E5=BE=A1=E9=A1=98=
=E3=81=84=E3=80=8D=E3=81=AA=E3=81=AE=E3=81=AB=E3=80=81=E8=BF=94=E4=BF=A1=E3=
=82=92=E3=81=99=E3=82=8B=E3=81=A8
> =E3=81=93=E3=81=AE=E3=82=88=E3=81=86=E3=81=AB=E5=8C=96=E3=81=91=E3=81=A6=
=E3=81=97=E3=81=BE=E3=81=BE=E3=81=99=E3=80=82
> =E3=80=8CRe: =E6=B8=AC=E7=94=A8URL=3D ?ISO-2022-JP?B?GyRCSC85VCROOGY0ai=
QkGyhC?=3D=E3=80=8D
>
>
>
> after doing some testing I've been able to reproduce a similar issue.
> it appears that for some reason extra spaces and a carriage-return are
> being inserted into the Subject: header.  I'm not a PHP programmer, but
> I've looked through the code and have yet to be able to determine where
> this is happening.  In my test case, I used an email with the following
> subject:
>
> WEB=E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AE=E4=BB=B6=E5=90=8D=E3=81=8C=E5=8C=
=96=E3=81=91=E3=81=BE=E3=81=99
>
> during my reply / forwarding tests I've seen the following in the heade=
rs:
>
> Return-Path: <apr...@my...>
> Received: from mail.mydomain.tld (mail.mydomain.tld [xxx.xxx.xxx.25])
> 	by mojo.12inch.com (8.13.1/8.13.0) with ESMTP id iB818INF002655
> 	(version=3DTLSv1/SSLv3 cipher=3DDHE-RSA-AES256-SHA bits=3D256 verify=3D=
FAIL)
> 	for <al...@12...>; Wed, 8 Dec 2004 10:08:20 +0900
> Received: from mail.mydomain.tld (localhost.localdomain [127.0.0.1])
> 	by mail.mydomain.tld (8.13.1/8.13.1) with ESMTP id iB8166HS011355
> 	(version=3DTLSv1/SSLv3 cipher=3DDHE-RSA-AES256-SHA bits=3D256 verify=3D=
NO)
> 	for <al...@12...>; Wed, 8 Dec 2004 10:06:06 +0900
> Received: (from apache@localhost)
> 	by mail.mydomain.tld (8.13.1/8.13.1/Submit) id iB81663u011354;
> 	Wed, 8 Dec 2004 10:06:06 +0900
> Received: from 203.131.192.247
>          (SquirrelMail authenticated user apremselaar);
>          by mail.mydomain.tld with HTTP;
>          Wed, 8 Dec 2004 10:06:06 +0900 (JST)
> Message-ID: <51706.203.131.192.247.1102467966.squirrel@203.131.192.247>
> Date: Wed, 8 Dec 2004 10:06:06 +0900 (JST)
> Subject: [Fwd:
> WEB=3D?ISO-2022-JP?B?GyRCJWEhPCVrJE43b0w+JCwyPSQxJF4kORsoQg=3D=3D?     =
 ]
> From: apr...@my...
> To: al...@12...
> User-Agent: SquirrelMail/1.4.3a-1
> X-Mailer: SquirrelMail/1.4.3a-1
> MIME-Version: 1.0
> Content-Type: text/plain;charset=3Diso-2022-jp
> Content-Transfer-Encoding: 7bit
> X-Priority: 3 (Normal)
> Importance: Normal
> X-Spam-Scanner: SpamAssassin 3.000001 (http://www.spamassassin.org/) on
> mojo.12inch.com
> X-Spam-Score: -2.467 / 4.000: 22.533%
> X-Spam-Tests: AWL(0.125),NO_REAL_NAME(0.007),BAYES_00(-2.599)
> X-Scanned-By: MIMEDefang 2.49 on 64.7.201.48
>
>
> ** NOTE: when i look at the header in my mail client (thunderbird, or
> Squirrelmail 1.4.3a-1) the Subject header does not have a CRLF before
> the word "WEB" ... it appears to have line-wrapped when I pasted it.
> the CRLF and spaces between the last character of the encoded subject
> and the ']' are showing up in the header view or source view of my mail
> client(s)
>
> I've changed the domain-name and IP address information for my company'=
s
> mailserver but have made no other changes to the header information.
>
>
> out-bound mail from the company network does not pass thru SpamAssassin=
,
> but is scanned with ClamAV 8.0 anti-virus software. I'm running Sendmai=
l
> 8.13.1 with MIMEDefang milter.  I'm not doing any message rebuilding
> within MIMEDefang.
>
> any assistance is greatly appreciated.
>
> Thank you,
>
> alan
>
>
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--=20
HIGASHIYAMA, Masato
http://www.yamaai-tech.com/
Key fingerprint =3D 3BCE A909 84A5 1CF9 1292  9D8A 24B0 BB9F 7DE9 4092