Hi Gerv,

OK, I see your point.  We'll come up with what we think are reasonable methods 
and document that in the CPS.  That should work better than Gerv's vacation 
thoughts!

Doug

> -----Original Message-----
> From: dev-security-policy [mailto:dev-security-policy-
> bounces+doug.beattie=globalsign....@lists.mozilla.org] On Behalf Of
> Gervase Markham via dev-security-policy
> Sent: Thursday, July 20, 2017 10:58 AM
> To: mozilla-dev-security-pol...@lists.mozilla.org
> Subject: Re: Validation of Domains for secure email certificates
> 
> Hi Doug,
> 
> On 20/07/17 13:04, Doug Beattie wrote:
> > Since there is no BR equivalent for issuance of S/MIME certificates (yet),
> this is all CAs have to go on.  I was curious if you agree that all of these
> methods meet the above requirement:
> 
> As you might imagine, this question puts me in a difficult position. If I say
> that a certain method does meet the requirement, I am making Mozilla policy
> up on the fly (and while on holiday ;-). If I say it does not, I would perhaps
> panic a load of CAs into having to update their issuance systems for fear of
> being dinged for misissuance.
> 
> It is unfortunate that there is no BR equivalent for email. However, I'm not
> convinced that the best way forward is for Mozilla to attempt to write one by
> degrees in response to questioning from CAs :-) I think the best thing for you
> to do is to look at your issuance processes and ask yourself whether you
> would be willing to stand up in a court of law and assert that they were
> "reasonable measures". When thinking about that, you could perhaps ask
> yourself whether you were doing any things which had been specifically
> outlawed or deprecated in an SSL context by the recent improvements in
> domain validation on that side of the house.
> 
> Gerv
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