[linux-dvb] Re: Base64 & Co. (Was: Call for help on CI problems )

[Sergei Haller <Sergei.Haller@math.uni-giessen.de>]

On Mon, 26 Nov 2001, Rienecker, Fa. Evenio, ITS P, M wrote:

R>
R> Stop using this base64 encoding!

As I alredy posted last week, the "Content-Transfer-Encoding:" header of
all mails is replaced with "Content-Transfer-Encoding: 8bit".

some people are using base64 and quoted-printable and otehr encodings
(which is what they are made for).

So if the mailinglist software replaces the header
"Content-Transfer-Encoding:", it also has to recode the mail to 8bit

compare with that story:

say, you have a sound card which can only play wav files sampled at 48kHz,
16bit.
Now you have a piece of software which converts an audio input stream for
you (mp3, wav, or whatever) to a wav 48kHz, 16bit stream and sends it to
the hardware.
it is a very simple software which cannot distinguish the kind of
the input stream byself, so you have to tell the type of input stream on
command line (e.g. -mp3 -192bit or something like that)

then you tell your software: "Now coms a wav file at 48kHz, 16bit",
the software thinks: "Fine! There's nothing to do for me. Ill just pipe
the input stream to the hardware".
And now you send an mp3 file to the software.

What do you think you get at your boxes?




In our case the mail client (the piece of software) cannot distinguish the
encoding of the mail body, because there's no way to do it.

so the mail client __relies__ on the information in the mail header
(in this case the Content-Transfer-Encoding: field)


so my opinion is: noone has to stop using his/her favorit encoding.

the list software should be configured to one of the following:
  - leave the Content-* headers as they are
  - reset Content-* headers as the list does now _but_ recode the
    mail body according to the new values.


PS: we are not speaking about abusing HTML or other things for email.


c ya
        Sergei

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