<div>
<p>After your SSL has been approved, an email address will need to be <b>validated</b>, this is part of the global CA requirements.</p>

<p>The following are <b>accepted</b> email addresses:</p>

<ul>
	<li>admin@</li>
	<li>administrator@</li>
	<li>hostmaster@</li>
	<li>postmaster@</li>
	<li>webmaster@</li>
</ul>
</div>

What Email Address Is Accepted When Setting Up a New SSL?

https://customerservice.web.com/prweb/PRAuth/app/WebKM_/datacontent/Image/rteImages