Bug #49355 [Fbk->NoF]: Unable to properly fold To/Subject in emails
Edit report at https://bugs.php.net/bug.php?id=49355&edit=1
ID: 49355
Updated by: php-bugs@lists.php.net
Reported by: php dot net at chris dot cs278 dot org
Summary: Unable to properly fold To/Subject in emails
-Status: Feedback
+Status: No Feedback
Type: Bug
Package: Mail related
Operating System: win32 only
PHP Version: 5.2.10
Assigned To: cmb
Private report: N
New Comment:
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
Previous Comments:
------------------------------------------------------------------------
[2021-09-13 14:53:52] cmb@php.net
> [â¦], but sendmail under NIX requires LF as the new line
> character.
Is this still true? If so, it still violates internet standards,
and would be completely broken for mail() as of PHP 8.0.0[1].
[1] <https://github.com/php/php-src/pull/5338>
------------------------------------------------------------------------
[2010-05-19 18:04:27] lukas dot starecek at centrum dot cz
We have same problem on *nix system with PHP 5.1.6 and PHP 5.3.2. In mail function is allowed to use
only \r\n to separate chunks of subject, but email with this subject is damaged when processed by
microsoft SMTP server (I think some kind of exchange server). In damaged email are chunks of
subjects followed by two new lines, which means end of header. Below you can see broken email
headers. The part after "MIME-Version: 1.0" is supposed to be message body, but you can se
fragments of second and following lines of chunked subject, and email headers, which was after
subject in original email.
----------
Received: from ***** (*****) by *****
(*****) with Microsoft SMTP Server (TLS) id 8.1.393.1; Wed, 19 May
2010 15:03:47 +0200
Received: from ***** (*****) by
***** (*****) with Microsoft SMTP Server id
8.2.176.0; Wed, 19 May 2010 15:03:45 +0200
Received: by ***** (Postfix, from userid 48)id 72D6A36C2D; Wed,
19 May 2010 15:03:53 +0200 (CEST)
From: infooma <*****>
To: *****
Date: Wed, 19 May 2010 15:03:45 +0200
Subject:
=?Windows-1252?Q?Spam=5Fcsc:_POZOR!!_JEDN=C1_SE_O_TESTOVAC=CD_NOTIFIKACI_?=
=?Windows-1252?Q?=8EoP_?=
Thread-Topic:
=?Windows-1252?Q?Spam=5Fcsc:_POZOR!!_JEDN=C1_SE_O_TESTOVAC=CD_NOTIFIKACI_?=
=?Windows-1252?Q?=8EoP_?=
Thread-Index: Acr3U7hpsAXS9QjASjS/sZtv0YXFjg==
Message-ID: <3167228c-f54a-4a6b-b6c7-c7c1e5dc6990@*****>
X-MS-Exchange-Organization-AuthAs: Anonymous
X-MS-Exchange-Organization-AuthSource: *****
X-MS-Has-Attach:
X-MS-Exchange-Organization-SenderIdResult: None
X-MS-Exchange-Organization-PCL: 2
X-MS-Exchange-Organization-PRD: *****
X-MS-TNEF-Correlator:
received-spf: None (*****: ***** does not
designate permitted sender hosts)
x-tm-as-product-ver: CSC-0-6.0.1038-17392
x-tm-as-result: Yes-9.62-7.00-31-1
Content-Type: text/plain; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
=?UTF-8?B?MSBwcm9qZWt0dSBDWi4xLjEwLzIuMi4wMC8wNC4xMTExMSBieWxhIHDFmWVk?=
=?UTF-8?B?w6FuYSBkbyBzdMOhZGlhICJTOC4xIEtvbnRyb2xhIDEuIHN0dXBuxJsgcHJv?=
=?UTF-8?B?dmVkZW5hIi4=?=
Received: from phpmailer ([*****])
by ***** with HTTP (phpmailer);
Wed, 19 May 2010 15:03:53 +0200
Date: Wed, 19 May 2010 15:03:53 +0200
From: *****
Message-ID: <c4bdf1fff95394c018522634ebbd39f4@*****>
X-Priority: 3
X-Mailer: phpmailer [version 1.65]
X-Mailer: PHP/5.1.6
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
------------------------------------------------------------------------
[2009-08-25 09:47:20] php dot net at chris dot cs278 dot org
Description:
------------
The SKIP_LONG_HEADER_SEP macro only permits CR-LF-WSP as a separator which works fine for SMTP, but
sendmail under NIX requires LF as the new line character. The macro doesn't skip over LF-WSP
which causes the LF to be replaced with a space, unfolding the header. This makes it near impossible
to use UTF-8/etc. encoded strings for these headers.
I posted to internals about this problem: http://marc.info/?l=php-internals&m=125110373328523&w=2
Reproduce code:
---------------
mail('tester@example.net', "Reproduction test e-mail for PHP bug breaking the correct
wrapping\n of e-mails with long To/Subject headers.", 'Testing...');
Expected result:
----------------
To: tester@example.net
Subject: Reproduction test e-mail for PHP bug breaking the correct wrapping of e-mails with long
To/Subject headers.
Testing...
Actual result:
--------------
To: tester@example.net
Subject: Reproduction test e-mail for PHP bug breaking the correct wrapping
of e-mails with long To/Subject headers.
Testing...
------------------------------------------------------------------------
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