On Tue, Dec 09, 2003, SANS wrote:

> hello all,
> 
> I am using openssl smime to sign the body of an email.
> When the body is in simple plain text format, it works
> like a charm, but when the body is in MIME multipart
> format (either with HTML or attachment), then the
> signed email comes with a warning : Message has been
> Tampered (when opened with M$ O/Express).
> 

OE is a bit fussy about the format of multipart S/MIME emails. It will fail if
there is more than one blank line before the signature IIRC. I suggest you
create a similar signed message with OE and compare the blank lines in each
case.

Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
Funding needed! Details on homepage.
Homepage: http://www.drh-consultancy.demon.co.uk
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