title: Getting inner exception "dtd is prohibited in this xml document exchange" while reading emails from outlook
body: <p>Getting error "The response received from the service didn't contain valid XML." with 
  inner exception "dtd is prohibited in this xml document exchange" while reading 
  emails from outlook(Not while reading every mail). 
  Can anybody  please tell me what might be the issue. Below is the code where I am 
  getting error</p>
  
  <pre><code>FindItemsResults&lt;Item&gt; RetrievedItems=null ;
  
  RetrievedItems = service.FindItems(FIds, new ItemView(4));
  String[] SignatureList = ConfigurationManager.AppSettings.Get("SignatureTypes").Split(',');
  
  
  
  if (RetrievedItems != null &amp;&amp; RetrievedItems.Count() &gt; 0)
  {
  
   RetrievedItems.ToList().ForEach(x =&gt;
                      {
                          try
                          {
  List&lt;String&gt; Attachments = new List&lt;String&gt;();
  List&lt;String&gt; ScanFileName = new List&lt;String&gt;();
  
   bool IsAvailable = true;
  
  //Getting error while Load() - below line of code                         
                              ((Microsoft.Exchange.WebServices.Data.EmailMessage)x).Load();
  
  Vo.EmailMessage msg = new Vo.EmailMessage();
                              msg.MessageId = ((Microsoft.Exchange.WebServices.Data.EmailMessage)x).Id.UniqueId;
                              msg.From = ((Microsoft.Exchange.WebServices.Data.EmailMessage)x).From.Address;
                              ((Microsoft.Exchange.WebServices.Data.EmailMessage)x).ToRecipients.ToList().ForEach(z =&gt; msg.To += z.Address + ",");
                              ((Microsoft.Exchange.WebServices.Data.EmailMessage)x).ReplyTo.ToList().ForEach(y =&gt; msg.ReplyToEmailAddress += y.Address + ",");
                              msg.Subject = ((Microsoft.Exchange.WebServices.Data.EmailMessage)x).Subject;
                              msg.Body = ((Microsoft.Exchange.WebServices.Data.EmailMessage)x).Body.Text;
                              msg.Dated = ((Microsoft.Exchange.WebServices.Data.EmailMessage)x).DateTimeSent;
  </code></pre>