Re: [exim-dev] Changing received_header_text default?

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Autor: Michael Haardt
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A: exim-dev
Assumpte: Re: [exim-dev] Changing received_header_text default?
On Sun, Mar 12, 2006 at 11:31:47PM +0000, David Woodhouse wrote:
> On Wed, 2006-03-01 at 16:13 +0100, Michael Haardt wrote:
> > If you view the source, everything should be shown unmodified,
> > although I have seen the client evolution showing a "fixed up" message
> > when looking at the source without saying a word about it.
>
> Evolution is broken. The formatting of the header may be _syntactically_
> irrelevant, but that is no excuse for corrupting it as Evolution does.


We are talking about two different things here. I saw how Evolution
showed a "fixed-up" message *source*, pretending the MIME structure of
a message was correct, although it was not. I am not talking about the
regular display of mails.

> The fix for idiocy such as that displayed at
> http://david.woodhou.se/evo-ate-my-spam-report.jpeg is not to reformat
> the headers, but to fix the mail client so that it doesn't mangle them.


If the report had been a single header line with CR-LF-tab folding,
Evolution does the correct thing here. To me, the application (I guess
SA here) that assumes folding would be anything but a way to transport
long lines is broken. If arbitrary data should be transported, MIME
does the job.

"Received:" headers with tabs look just as ugly as the report above,
and most likely for the same reason: Ignorance of folding semantics.

Michael