[Mailman-Users] Preserving S/MIME-Encoded Mail
gtaylor at riverviewtech.net
Tue Jan 20 05:19:58 CET 2009
On 01/16/2009 04:43 PM, Brad Knowles wrote:
> I don't think it broke the signature, I think what happened is that it
> hasn't been encapsulated in the correct manner.
> At the very least, you can do a message/rfc822 bodypart, and that should
> guarantee that the signature is not broken, assuming that there's no
> changes in whitespace encoding, etc....
> However, I don't know how most MUAs would handle that in a signed
> message. A more intelligent encapsulation format should hopefully
> address that issue.
Agreed. I'm not sure how receiving MUAs would handle this. I know that
a message/rfc822 MIME body part is how messages are forwarded (as
attachments) so they should be ok. At least I can forward a message as
a message/rfc822 MIME body part and then later strip away everything but
the contents of the message/rfc822 MIME body part and the message will
then be able to be validated again. I will play with forwarding an
S/MIME signed / encrypted message and let you know what my MUAs (of
choice) do with the message/rfc822 MIME body part.
Grant. . . .
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