/**
  * Convert an e-mail address to a list of MailAddress.
  *
  * @param emailAddress
  *          EmailAddress is a type of <code>microsoft.exchange.webservices.data.property.complex.EmailAddress<code>.
  * @return List&lt;MailAddress&gt;
  */
 protected List<MailAddress> convertToMailAddress(EmailAddress emailAddress) {
   List<MailAddress> addressList = new ArrayList<MailAddress>();
   if (emailAddress != null) {
     MailAddress mailAddress = new MailAddress();
     mailAddress.setAddress(emailAddress.getAddress());
     mailAddress.setName(emailAddress.getName());
     addressList.add(mailAddress);
   }
   return addressList;
 }