Am 10.03.2025 um 22:43 schrieb Viktor Dukhovni via Postfix-users:
On Mon, Mar 10, 2025 at 08:14:33PM +0100, Andreas Kuhlen via Postfix-users
wrote:
I have two mail servers that use different content transfer encodings
for the same content. Based on the configuration, I can't work out why
this is the case.
The list is not psychic, you can examine your servers, but we cannot.
The author should check the raw copy of the message in the "Sent"
mailbox, and determine what format that's in. Then you can craft
specific test messages outside the user agent and send them through
to see how they're processed. Use the "-B <bodytype>" option of
sendmail(1) to send suitably chosen MIME messages.
Yep, you're right. The list's not and of course it makes sense to have a
look in the "Sent" mailbox. I did that now.
Old server configuration:
This is a multi-part message in MIME format.
--------------xCVMqE18V5Y1jiksDIgdQocF
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: quoted-printable
The message originated that way, or was converted in transit.
Yes, it originated that way!
Alles Liebe! =C3=A4=C3=B6=C3=BC =C3=84=C3=96=C3=9C=C3=9F=C3=9F=C3=9F
Which seems to be:
Alles Liebe! äöü ÄÖÜßßß
Yes, indeed!
A new server configuration:
This is a multi-part message in MIME format.
--------------MAHcd6dkL648us1Y5Q3mVue0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Das ist ein Test.
Alles Liebe! äöü ÄÖÜßßß
Something appears to have mangled the encoding along the way.
It looks like the mail is already ‘mangled’ by Thunderbird, because it
is already formatted that way in the ‘Sent’ folder. So there is a
problem with Thunderbird that needs to be investigated more closely.
I should have had a look in the ‘Sent’ folder before I posted my
question to the list. Sorry for that.
Andreas
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