From: Wietse Venema (wietseporcupine.org)
Date: Fri Feb 01 2008 - 10:00:45 CST

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scott.postfixscottrix.co.uk:
> >Local text MUST be in UNIX text format. Postfix will convert between
> >network formats and local formats.
>
> Are you saying that a DOS text file on Linux is actually a "binary" file
> and should not have a text/plain mime type ?

Different operating systems represent end-of-line conventions in
different ways.

1) UNIX stores the end-of-line as a LF character.

2) DOS stores the end-of-line as a CRLF pair.

3) Other systems don't store the end-of-line at all, instead
   they store a record length, or worse, they assume all records
   have the same fixed length, and the length is a global attribute
   for the entire file.

If you want to send the TEXT in a DOS file from a UNIX box, convert
the file to UNIX format before passing it to the mail system.

If you want to send a DOS textfile in DOS textfile format,
use binary MIME type and base64 encoding.

        Wietse

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