mail attachement content trnsfer encoding 8bit , 7bit
Good morning to everybody.
I have a problem reading mail attachement.
When the attachement is 8bit encoded the exadecimal char "3D" is write in a file as "0D". This is wrong
When the attachement is 7bit encoded the exadecimal char "3D" is write in a file as "3D" . Thi is right
Is there anyone who knows why of this beaviour?
Many thanks
# 2
I'm using the msgshow.java that is the example included in the java mail library.
Attachement downloaded with JavaMail (the bad one):
伀 3D ==> 0D (CR)
2007-05-15;18.11.26;978;000469,00;380;Italy
;LUISA SPAGNOLI NAPOLI IT;34009575;8036527;5651;00;
Attachement downloaded with outlook (the good one):
伀 3D not translated
2007-05-15;18.11.26;978;000469,00;380;Italy=
;LUISA SPAGNOLI NAPOLI IT;34009575;8036527;5651;00;
Here the properties of the mail message:
Microsoft Mail Internet Headers Version 2.0
Received: from EXSMTP-IN2.sede.corp.sanpaoloimi.com ([10.244.7.21]) by EVS01.sede.corp.sanpaoloimi.com with Microsoft SMTPSVC(6.0.3790.2499);
Mon, 28 May 2007 08:09:14 +0200
Received: from secgw-b-e02.intesabci.it ([172.19.0.27]) by EXSMTP-IN2.sede.corp.sanpaoloimi.com with Microsoft SMTPSVC(6.0.3790.2499);
Mon, 28 May 2007 08:09:13 +0200
Received: MHUBINT
Received: FW
Received: from mail1.ssb.it ([192.106.129.13])
by mailbox.intesabci.it with SMTP id l4S696n5006757
for <aldo.cappa@intesasanpaolo.com>; Mon, 28 May 2007 08:09:09 +0200
Received: (qmail 11377 invoked by uid 509); 28 May 2007 06:02:04 -0000
Received: from 127.0.0.1 by Imhotep (envelope-from <sto_auto@ssb.it>, uid 501) with qmail-scanner-2.01
(spamassassin: 3.1.3.
Clear:RC:1(127.0.0.1):.
Processed in 0.078893 secs); 28 May 2007 06:02:04 -0000
Mon, 28 May 2007 08:02:03 +0200 (CEST)
(Postfix) with SMTP id 6798F34257;Mon, 28 May 2007 08:02:03 +0200 (CEST)
to: <aldo.cappa@intesasanpaolo.com>,
from: <sto_auto@ssb.it>
subject: 28 May 2007 08:00 PS12 FROD-ATM1
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="P=_NextPart_000_01BD3BAF.A762FD80"
Date: Mon, 28 May 07 08:00:27 B
Message-Id: <20070528060203.6798F34257@Mail1.ssb.it>
Return-Path: sto_auto@ssb.it
X-OriginalArrivalTime: 28 May 2007 06:09:13.0674 (UTC) FILETIME=[B707A2A0:01C7A0EE]
--P=_NextPart_000_01BD3BAF.A762FD80
CONTENT-TYPE: TEXT/PLAIN; CHARSET="US-ASCII"
Content-Transfer-Encoding: 8bit
--P=_NextPart_000_01BD3BAF.A762FD80
Content-Type: text/plain; charset=us-ascii; name="SPIMI.TXT"
Content-Disposition: attachment
Content-Transfer-Encoding: quoted-printable
X-MIME-Autoconverted: from 8bit to quoted-printable by mailbox.intesabci.it id l4S696n5006757
--P=_NextPart_000_01BD3BAF.A762FD80
CONTENT-TYPE: TEXT/PLAIN; CHARSET="US-ASCII"
Content-Transfer-Encoding: 8bit仼仼仼仼 I think the problem is here
--P=_NextPart_000_01BD3BAF.A762FD80--
# 3
Your sample message doesn't include either the "good" or the "bad"
data you listed.
Your message has several parts, I don't know which part contains the
data that's causing the problem for you.
Once of the parts is encoded in quoted-printable form. In that encoding,
an '=' at the end of the line means the line is continued on the next line
and the '=' should be removed and the lines joined. JavaMail does this
decoding for you. That part also claims to have been converted from
8bit to quoted-printable by your mail server. Possibly your mail server is
doing the conversion incorrectly.
# 4
Attachement downloaded with JavaMail (the bad one):
2007-05-15;18.11.26;978;000469,00;380;Italy
;LUISA SPAGNOLI NAPOLI IT;34009575;8036527;5651;00;
Attachement downloaded with outlook (the good one):
2007-05-15;18.11.26;978;000469,00;380;Italy=
;LUISA SPAGNOLI NAPOLI IT;34009575;8036527;5651;00;
The previous lines are the strings contained in the attachement .txt file.
The first is the string where the hex char "3D" is translated into "0D" and the attachemet is downloaoded with javamail api
The second one is the string where "3D" is not translated so you can see the "=" after "Italy" and the attchement is downloaded with outlook
The javamail api does't translate the "3D" in "0D" when I receive a mail msg with "Content-Transfer-Encoding: 7bit"
Thanks for you patience