Subject: Re: [Jmap] [JMAP] SMIME Attachments (was: Re: S/MIME for JMAP)

From: vaibhav singh <[email-masked]>
Date: Mon, 13 Nov 2017 20:51:35 +0530

>
> ---------- Forwarded message ----------
> From: "Josef 'Jeff' Sipek" <[email-masked]>
> To: vaibhav singh <[email-masked]>
> Cc: [email-masked]
> Bcc:
> Date: Mon, 13 Nov 2017 07:44:28 -0500
> Subject: Re: [Jmap] [JMAP] SMIME Attachments (was: Re: S/MIME for JMAP)
> On Sun, Oct 29, 2017 at 13:03:28 +0530, vaibhav singh wrote:
> > >
> > >    1. Re: [JMAP] SMIME Attachments (was: Re:  S/MIME for JMAP)
> > >       (Bron Gondwana)
> > >
> > >
> > > ---------- Forwarded message ----------
> > > From: Bron Gondwana <[email-masked]>
> > > To: [email-masked]
> > > Cc:
> > > Bcc:
> > > Date: Thu, 26 Oct 2017 09:04:40 +1100
> > > Subject: Re: [Jmap] [JMAP] SMIME Attachments (was: Re: S/MIME for JMAP)
> > > If you want to use a JMAP server to pass opaque blobs, that works fine.
> > > Obviously things like hasAttachment aren't going to work, because the
> > > opaque blob doesn't have an attachment.  The mail inside may have an
> > > attachment, but the JMAP server doesn't know that.
> > >
> > > Since the same issue exists with IMAP, it sounds like maybe what you're
> > > suggesting is an IANA registration of a keyword like
> > > $HasEncryptedAttachment, which would allow multiple MUAs to share that
> > > metadata.  Of course the server couldn't add it, so it would only be
> > > present at the time the first MUA-with-keys connected and downloaded
> the
> > > message to evaluate its contents.
> > >
> >
> > Yes, I can start the process for requesting " $HasEncryptedAttachment "be
> > registered by IANA, in case nobody sees an issue with it.
>
> Is the idea that $HasEncryptedAttachment would be set on S/MIME only
> emails?
> Or PGP as well?  (RFC 3156 comes to mind)
>
> Jeff.
>

The keyword could be used for PGP as well, unless someone sees some issue I
have not thought about.

Thanks,
Vaibhav