Re: [Endymail] spam versus cleartext

[Eliot Lear <[e-mail]>]

Hi,

>
> Eliot,
>
> I've no idea what characteristics of 'transactional mail' -- as compared
> with... personal mail, or ? -- worth distinguishing.  So while it's a
> category that is often interesting to distinguish in email security and
> abuse discussions, what do you have in mind here, exactly?

human to human versus other.

>
> MTA-to-MTA (or, rather, Boundary MTA to Boundary MTA) is almost
> certainly an interesting distinction from author to recipient. For
> example, that's why DKIM has succeeded at Internet scale, where PGP and
> S/MIME have not.

How blue sky do we want to be in this discussion?  If the answer is
"very", then we should even leave the above terminology aside – for the
moment.  But now that I see a large object headed straight toward me...
>
> But we need to be clear about what benefits it gets us and what it doesn't.

Yes.

>
> If, for example, one is worried about their email operator being
> compelled to produce keys for decrypting user mail...

As a very important example. 


Eliot