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

[Tomas K. <to...@us...>]

> 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)
> 件名がもともとは「測用URL発行の御願い」なのに、返信をすると
> このように化けてしまます。
> 「Re: 測用URL= ?ISO-2022-JP?B?GyRCSC85VCROOGY0aiQkGyhC?=」
>
>
>
> 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メールの件名が化けます
>
> during my reply / forwarding tests I've seen the following in the headers:
>
> 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=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=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=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=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=?ISO-2022-JP?B?GyRCJWEhPCVrJE43b0w+JCwyPSQxJF4kORsoQg==?      ]
> 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=iso-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 Sendmail
> 8.13.1 with MIMEDefang milter.  I'm not doing any message rebuilding
> within MIMEDefang.
>
> any assistance is greatly appreciated.

1. can you reproduce it when you remove mimedefang
2. can you reproduce it vanilla squirrelmail package

If header (one line) looks like
----
Subject: [Fwd:
WEB=?ISO-2022-JP?B?GyRCJWEhPCVrJE43b0w+JCwyPSQxJF4kORsoQg==?      ]
----
then it is not encoded correctly.

-- 
Tomas