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List:       kmail-devel
Subject:    Re: [PATCH] Fixes bug 50701 and other bugs with signed message parts
From:       Michael =?iso-8859-1?q?H=E4ckel?= <haeckel () kde ! org>
Date:       2002-11-21 11:49:35
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On Wednesday 20 November 2002 20:43, Ingo Klöcker wrote:
>
> In the introduction of RFC2822 we read this:
>   "In addition, this standard
>    does not specify an encoding of the characters for either transport
>    or storage; that is, it does not specify the number of bits used or
>    how those bits are specifically transferred over the wire or stored
>    on disk."

Well, in section 2.1 it is said:

   At the most basic level, a message is a series of characters.  A
   message that is conformant with this standard is comprised of
   characters with values in the range 1 through 127 and interpreted as
   US-ASCII characters [ASCII].  For brevity, this document sometimes
   refers to this range of characters as simply "US-ASCII characters".

   Note: This standard specifies that messages are made up of characters
   in the US-ASCII range of 1 through 127.  There are other documents,
   specifically the MIME document series [RFC2045, RFC2046, RFC2047,
   RFC2048, RFC2049], that extend this standard to allow for values
   outside of that range.  Discussion of those mechanisms is not within
   the scope of this standard.

> So although 8-bit is allowed when the SMTP server supports this we
> should probably completely remove this option and always use quoted
> printable or base64 instead. Marc already proposed this some time ago.
> If nobody has any objections against this then I will remove this
> option ("Message property") in KDE 3.1.1.

I think, in this case it should however be detected if quoted-printable or 
base64 is better suited. For example for Russian text quoted-printable is 
extremely inefficient.

Regards,
Michael Häckel
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