<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">Hello</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">My european organization is using a certificate chain which signs tens of thousands of user certificates.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">My local organization counts 300 users ... and i only want these 300 to get in the IT system.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I'd like to know if there is a way to restrict the connection to a subset of certificates ( for example based on a list of authorized emails which are written in the certificate ) </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Sincerely </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Fred </div></div></body></html>