<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I don't have numbers, and in fact I don't have even secondhand knowledge<br>
of a specific deployment</blockquote><div><br></div><div>One thing I forgot to mention, though I'm not sure this counts - Amazon S/MIME signs their AWS invoices. If we're measuring volume by number of emails sent, that alone probably swamps all other uses by now.</div></div></div></div>