<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>funny, we use phpsimplesaml with pre-auth as well and do have some 2FA standing by, but have not rolled that one</div><div>out to prod in fear of support calls :-p</div><div><br></div><div data-marker="__SIG_PRE__">Kind regards, <br><br>Barry de Graaff<br>Zeta Alliance Founder<br>zetalliance.org | github.com/Zimbra-Community<br><br>+31 617 220 227<br>Fingerprint: 97f4694a1d9aedad012533db725ddd156d36a2d0</div><br><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Stefan Sänger" <stefan.saenger@gr13.net><br><b>To: </b>users@lists.zetalliance.org<br><b>Sent: </b>Wednesday, 25 October, 2017 19:24:08<br><b>Subject: </b>Re: [Users] Does anyone knows how to setup 2FA on Open source? We are also using Zextras.<br></div><br><div data-marker="__QUOTED_TEXT__"><p>Hi All,</p>
    <p>well - I have been using simplesamlphp to actually perform 2FA -
      and yes, it also included preauth... If anybody is interested I
      can share the old code, since it was only a POC about 2 years
      ago...</p>
    <p>best regards,</p>
    <p>Stefan<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 25.10.2017 19:21, Zeta Alliance Info
      wrote:<br>
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    <blockquote cite="mid:500008980.814.1508952107454.JavaMail.zimbra@barrydegraaff.tk">
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        <div>Hi Dean,</div>
        <div><br>
        </div>
        <div>Not sure, some pre-authentication hacks come to mind, I
          will forward your request to the mailing list</div>
        <div>you can subscribe to get the answers
here: <a class="moz-txt-link-freetext" href="https://lists.zetalliance.org/mailman/listinfo/users_lists.zetalliance.org" target="_blank">https://lists.zetalliance.org/mailman/listinfo/users_lists.zetalliance.org</a></div>
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        <div><strong>Does <span style="color: rgb(0, 0, 0); font-family:
              arial, helvetica, sans-serif; font-size: 16px; font-style:
              normal; font-variant-ligatures: normal; font-variant-caps:
              normal; letter-spacing: normal; orphans: 2; text-align:
              start; text-indent: 0px; text-transform: none;
              white-space: normal; widows: 2; word-spacing: 0px;
              -webkit-text-stroke-width: 0px; background-color: rgb(255,
              255, 255); text-decoration-style: initial;
              text-decoration-color: initial; float: none; display:
              inline !important;">anyone knows how to setup 2FA on Open
              source?  We are also using Zextras.</span></strong>
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        <hr id="zwchr">
        <div><b>From: </b><a class="moz-txt-link-abbreviated" href="mailto:deanw@hostedincanada.com" target="_blank">deanw@hostedincanada.com</a><br>
          <b>To: </b><a class="moz-txt-link-abbreviated" href="mailto:info@zetalliance.org" target="_blank">info@zetalliance.org</a><br>
          <b>Sent: </b>Wednesday, 25 October, 2017 16:30:19<br>
          <b>Subject: </b>2FA<br>
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            <div style="font-family: arial, helvetica, sans-serif;
              font-size: 12pt; color: #000000">
              <div>Morning Zeta Alliance,</div>
              <br>
              <div>Just wondering if anyone knows how to setup 2FA on
                Open source?  We are also using Zextra.</div>
              <br>
            </div>
            <div>Thanks!<br>
              <br>
            </div>
            <div>
              <div><span style="font-family: Calibri, sans-serif;
                  font-size: 14.6667px;">Dean Wolf C.C.P.</span><br style="font-family: Calibri, sans-serif; font-size:
                  14.6667px;">
                <span style="font-family: Calibri, sans-serif;
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