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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Thanks for raising this Rob as it will come up in some detail later in our discussions relating to control of an email address.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><a href="https://tools.ietf.org/html/draft-biggs-acme-sso-00#section-6">https://tools.ietf.org/html/draft-biggs-acme-sso-00#section-6</a> ACME Extension for Single Sign On Challenges<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Note that this not only defines an issueemail property for CAA, but also a validationmethods parameter which is squarely within the interest of this WG. Options defined in the RFC include an SSO option (including the ability to specify SSOproviders) as well as email verification (see other doc at <a href="https://www.ietf.org/id/draft-ietf-acme-email-smime-13.txt">https://www.ietf.org/id/draft-ietf-acme-email-smime-13.txt</a> Extensions to ACME</span> <span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>for end-user S/MIME certificates) mentioned previously.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Regards, Stephen<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Smcwg-public <smcwg-public-bounces@cabforum.org> <b>On Behalf Of </b>Rob Stradling via Smcwg-public<br><b>Sent:</b> Monday, February 1, 2021 6:41 PM<br><b>To:</b> Paul van Brouwershaven <Paul.vanBrouwershaven@entrust.com>; SMIME Certificate Working Group <smcwg-public@cabforum.org>; Tim Hollebeek <tim.hollebeek@digicert.com>; Neil Dunbar <ndunbar@trustcorsystems.com>; Dimitris Zacharopoulos (HARICA) <dzacharo@harica.gr><br><b>Cc:</b> Kirk Hall <Kirk.Hall@entrust.com><br><b>Subject:</b> Re: [Smcwg-public] [EXTERNAL] Re: CAA and S/MIME<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>FYI, <a href="https://tools.ietf.org/html/draft-biggs-acme-sso-00#section-6">https://tools.ietf.org/html/draft-biggs-acme-sso-00#section-6</a> seeks to "extend CAA to allow control over issuance of certificates for email addresses within that domain".<o:p></o:p></span></p></div><div><div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></body></html>