[guest - Wed Sep 6 09:51:06 2006]:

> Hi,
>
> It would be great to have an additional parameter to create the request
> for such a receipt in "openssl smime -sign" as per
> http://www.faqs.org/rfcs/rfc2634.html chapter 2.
>
> It seems that MS-Outlook can do this since a while.
>
> Others seem to have struggled with validating such "smime-signed"
> receipt messages they received without resolution before:
> http://www.mail-archive.com/openssl-.../msg42751.html
>


As the RFC indicates this is a service for S/MIME v3. To do this
properly we'd really need S/MIME v3 support (CMS).

This is a considerable task. Although there has been some interest in
this no one so far has been willing to fund the development of S/MIME v3
support for OpenSSL.

Steve.

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