Send mail via anonyomous authentication

using System;
using CDO;
using ADODB;


namespace Client.Office_Integration
{
  public class UsingCDOEx
  {
    static void Main(string[] args)
    {
      Message MyMessage = new MessageClass();
      Configuration MyConfig = MyMessage.Configuration;
      Fields MyFields = MyConfig.Fields;

      MyFields[@"http://schemas.microsoft.com/cdo/configuration/sendusing"].Value = 2;
      MyFields[@"http://schemas.microsoft.com/cdo/configuration/smtpserverport"].Value = 25;
      MyFields[@"http://schemas.microsoft.com/cdo/configuration/smtpserver"].Value = "smarthost";
      MyFields.Update();
      MyMessage.Configuration = MyConfig;
      MyMessage.TextBody = "This is a test message";
      MyMessage.Subject = "Testing";
      MyMessage.From = "gregmcb@microsoft.com";
      MyMessage.To = "pmacbeth@comporium.com";
      MyMessage.Send();
    }
  }

}