SENDING MAIL THROUGH C#

SMTP MAIL IN C SHARP

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Mail;

namespace mailing
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            MailMessage message = new MailMessage();
            message.To.Add("ragava08@ymail.com");
            message.Subject = "SUBJECT";
            message.From = new MailAddress("ragava08@gmail.com");
            message.Body = "BODY PART";
            SmtpClient SmtpServer = new SmtpClient("smtp.gmail.com");
            SmtpServer.Port = 587;
         SmtpServer.Credentials = new System.Net.NetworkCredential("ragava08@gmail.com", "password");
            SmtpServer.EnableSsl = true;
            SmtpServer.Send(message);
            MessageBox.Show("Message successfully sent");

        }
    }
}