Re: [Jmap] S/MIME for JMAP

[Alexey Melnikov <[e-mail]>]

On 07/08/2017 09:05, Neil Jenkins wrote:

> On Wed, 2 Aug 2017, at 06:23 AM, vaibhav singh wrote:
>> I have one straight question though; how is S/MIME going to be 
>> supported for JMAP?
>
> A client can fetch the raw RFC5322 message to decrypt and/or verify 
> S/MIME; this is really the only option if the client has the private keys.

Right.

> If the private keys are on the server (some corporate systems 
> sign/verify at the gateway) the server can transparently decrypt and 
> could add a keyword to say this message has been verified. This is 
> outside the scope of the JMAP spec itself though (any keyword(s) you 
> added to the IANA registry can be used in either IMAP or JMAP of course).

There is a similar case of webmail which can access use keys on behalf 
of a user.

If people are interested in thinking about/experimenting with possible 
JMAP extensions for S/MIME for the latter case, please let me know.

Best Regards,
Alexey