public bool SendRichMail
          (
          string[] toAddresses,
          string subject
          )
        {
            if ( 
                (toAddresses == null) || 
                (toAddresses.Length == 0) 
                )
                return false;
            
            //parity checks and customized messages
            string FromAddress = "myname@myserver.com";                     //change this to some your email address
            string SmtpHost = "smtphost.contoso.com";                       //change this to the real smtp server address

            string message = 
                " ";
            
            LinkedResource title = new LinkedResource( "title.jpg" );       //this file has to be there in the same directory as this assembly
            title.ContentId = "Title";                                      //this has to match the cid in the message and is not case sensitive

            //create an alternate view
            AlternateView view = AlternateView.CreateAlternateViewFromString
                ( 
                    body, 
                    null, 
                    System.Net.Mime.MediaTypeNames.Text.Html 
                );
            
            //link the resources
            view.LinkedResources.Add( title );
            
            //attach the from address
            msg.From = new MailAddress( FromAddress );

            //attach the to addresses
            try
            {
                foreach ( string mailId in toAddresses )
                    msg.To.Add( mailId );
            }
            catch ( Exception e )   //do not catch Exception. I'm doing this as I'm throwing back after logging
            {
                Log( e );       //this is a typical logging code and is not attached
                throw e;
            }

            //attach the alternate view to the message
            msg.AlternateViews.Add( view );
            msg.Subject = subject;
            msg.IsBodyHtml = true;

            SmtpClient client = new SmtpClient();
            client.Host = SmtpHost;

            //using the default credentials
            client.UseDefaultCredentials = true;

            //if you are using any other credentials then use this
            //string UserName = "username";
            //string Password = "password";
            //string Domain = "domain";
            //client.Credentials = new NetworkCredential( UserName, Password, Domain );

            try
            {
                client.Send( msg );
            }
            catch ( Exception e )       //do not catch Exception. I'm doing this as I'm throwing back after logging
            {
                Log( e );               //this is a typical logging code and is not attached
                throw e;
            }
        }