Re: [Geary] GPG/OpenPGP support

[Bradley Claghorn <visigoth mysterial org>]

Greetings,

On 01/31/2015 12:54 PM, Robert Schroll wrote:
> Thanks for the thoughtful reply.  I'll try to summarize this, and any
> others that come in, on the bug report.  It sounds like PGP/MIME is the
> de facto standard that we should aim for right now.  Just having one to
> worry about eliminates a lot of the complexity I was worrying about.
>
> On Sat, Jan 31, 2015 at 7:47 AM, J. R. Schmid <jrs weitnahbei de> wrote:
> > > How do we do that with servers that automatically populate your sent
> > > mail for you?
> > I'm not sure if I understand what you mean? Are we talking about
> > something other than IMAP? I.e. whatever client application is used, 
> >    sent mails go to the sent folder. So if there's a mail in the sent
> > folder and you can detect that it's encrypted and you have all you
> > need to decrypt it, then decrypt it. It seems I'm missing something
> > here...
>
> The problem I see is that the emails you send are encrypted with your
> recipient's key, so you can't decrypt them.  Some providers, like Gmail,
> automatically put everything you send out through their SMTP server into
> your "Sent mail" folder.  We could try to detect that, and replace it
> with an unencrypted email, or one encrypted with your public key, but
> this is starting to get scary....
Generally, emails that are sent should be encrypted with both your own
key and the users key to which you're sending. Therefore any replies, or
your own sent messages can later be decrypted and read with ease. As far
as I know, this is what most clients do, or at least PGP/Enigmail does
it this way for Thunderbird.

> > That said, in my opinion you're answering your own question since
> > noone has any say in what mail provider their recipients choose (or
> > don't choose!) to choose.
>
> But you also don't have a say in whether your recipient posts your
> plaintext to reddit. :)
>
> Thanks again for the info.  I can't promise any timeline on this, but
> the better we can define the problem now, the easier it'll be for
> someone to implement the solution.
>
> Robert
>
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-- 
Bradley Claghorn