// build the message
	MimeMessage msg = new MimeMessage ();
	string body = "This is a simple message for test";
	string subject = "A simple message for test";

	// build addresses list
 	msg.AddressFrom.Add (new MailAddress ("toto <toto@toto.com>"));
 	msg.AddressTo.Add (new MailAddress (TestConstant.toadr));

	// Save To and From header
	msg.SaveAdr ();
	
	// build subject and body
 	msg.SetSubject (subject, MimeTransferEncoding.Ascii7Bit);
	msg.SetBody (body, MimeTransferEncoding.Ascii7Bit, MimeTextContentType.TextPlain);
	
	// send the message
 	SMTPClient smtp = new SMTPClient (TestConstant.host, TestConstant.portsmtp);
 	smtp.Open ();
 	smtp.SendMail (msg);
 	smtp.Close ();

	// connect to pop server
	SmtPop.POP3Client pop = new SmtPop.POP3Client ();
  	pop.Open ("localhost", "110", "mylogin", "mypasword");
     
	// get messages list from pop server
	SmtPop.POPMessageId[] messages = pop.GetMailList ();
		  
	if (messages != null)
 	{
  		// Walk attachment list
	  	foreach (SmtPop.POPMessageId id in messages)
  		{
		  	SmtPop.POPReader reader = pop.GetMailReader (id.Id);
  			SmtPop.MimeMessage msg = new SmtPop.MimeMessage ();
     
  			// read message
		  	msg.Read (reader);
		  	if (msg.Attachments != null)
  			{
  				// do something with first attachment
				SmtPop.MimeAttachment attach = msg.Attachments[0];
  				if (attach.Filename == "data")
		  		{
  					// read data from attachment
			  		Byte[] b = Convert.FromBase64String (attach.Body);
  					  
  					System.IO.MemoryStream mem = new System.IO.MemoryStream (b, false);
		  			BinaryFormatter f = new BinaryFormatter ();
					DataClass data = (DataClass) f.Deserialize (mem); 
					mem.Close();
				}						  
		  			  				
				//delete message
				pop.Dele (id.Id);
			  	}
  			}
  		}
	}
		
	pop.Quit ();