Hi,
I'm sending emails that can include accented characters in the plain text
version of the mail (attachment).
Here is an example of the corresponding log:
1.
2011-05-05 00:33:12.548 / 204 42ms 46cpu_ms 0kb
Java/1.6.0_24,gzip(gfe),gzip(gfe),gzip(gfe)
See details
---- - - [05/May/2011:00:33:12 -0700] "POST / HTTP/1.1" 204 124 -
"Java/1.6.0_24,gzip(gfe),gzip(gfe),gzip(gfe)" "------.com" ms=42 cpu_ms=47
api_cpu_ms=0 cpm_usd=0.101918
2.
I 2011-05-05 00:33:12.547
Sent message ok
From nobody Thu May 5 07:33:12 2011
Date: Thu, 5 May 2011 09:33:09 +0200 (CEST)
From: -----------
To: -------------
Message-ID: <21964700.1.1304580789384.JavaMail.----->
Subject: Test mail
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_Part_0_10236134.1304580789082"
------=_Part_0_10236134.13045807890
* Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable*
Conform=C3=A9ment =C3=A0 la loi informatique et libert=C3=A9, vous
avez acc=
=C3=A8s =C3=A0 la rectification de vos donn=C3=A9es et pouvez
=C3=AAtre ret=
ir=C3=A9 de cette liste de distribution en envoyant un courriel =C3=A0
cont=
act@s
Ce courriel est envoy=C3=A9 =C3=A0 noo...@nodomain31416.xyz le 05 mai
2011 =
09:32:39.
Code d'identification du courriel: 6:4:20110505-093239.851.
------=_Part_0_10236134.1304580789082
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: 7bit
... some HTML...
------=_Part_0_10236134.1304580789082--
Now, when the message is received, the plain text attachment has been
encoded to Base64.
This does not happen when no accented characters are included.
The header of the plain text attachment becomes:
*Content-Type: text/plain; charset=ISO-8859-1; format=flowed; delsp=yes
Content-Transfer-Encoding: base64*
What control of this transformation do I have?
To decrease my SpamAssassin ranking, I need to stay away from base64 when
possible (1.8 MIME_BASE64_TEXT RAW: Message text disguised using base64
encoding).
Thanks,
Stephane.
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