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From: ShengHuo ZHU <zsh@cs.rochester.edu>
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Subject: Re: Send compressed postscript as attachment?
Date: 10 Jan 2001 08:49:22 -0500
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Steinar Bang <sb@metis.no> writes:

> >>>>> Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai Großjohann):
> 
> > On 09 Jan 2001, Matthias Wiehl wrote:
> >> Thus, I'd suggest specifying "application/postscript" as
> >> content-type for your file.
> 
> > But that doesn't generate any additional MIME header that says that
> > the stuff is gzip compressed.  I think that something should be
> > there.  It's not Content-Transfer-Encoding, but some other header.
> > Sadly, I forget which one it is.
> 
> HTTP defines the header "content-coding", which may have a value of
> "zip" or "x-gzip":
> 	<http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.5>
> 
> But I don't know if this header has been included into MIME proper,
> or if it's used by any mail programs.

I guess not.

,----[RFC2557]
| Other sources of problems are Content-Encoding used in HTTP but not
| allowed in MIME, and character sets that are not able to represent
| line breaks as CRLF. A good overview of the differences between HTTP
| and MIME with regards to Content-Type: "text" can be found in [HTTP],
| appendix C.
`----

ShengHuo