Turner, Sean. <br/><br/>
Implementing email security and tokens  current standards, tools, and practices /  [electronic resource] : 
Sean Turner, Russ Housley. 
 - Indianapolis, IN :  Wiley,  c2008. 
 - xv, 296 pages :  illustration, charts. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>Electronic reproduction. <br/>Palo Alto, Calif. : <br/>ebrary, <br/>2009. <br/>Available via World Wide Web. <br/>Access may be limited to ebrary affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic mail systems--Security measures.<br/>Computer security.<br/>Electronic mail systems--Security measures.<br/>Computer security.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.