POST /somesite.asmx HTTP/1.1
Host: somesite.com
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://somesite.com/SendAuthenticationEMail"

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <SendAuthenticationEMail xmlns="http://somesite.com/">
      <EMail>string</EMail>
      <IdUser>guid</IdUser>
    </SendAuthenticationEMail>
  </soap:Body>
</soap:Envelope>

HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: length

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <SendAuthenticationEMailResponse xmlns="http://somesite.com/" />
  </soap:Body>
</soap:Envelope>