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

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

    private void button1_Click(object sender, EventArgs e)
    {

    }

    private void Form1_Load(object sender, EventArgs e)
    {

    }

    private void btnSennd_Click(object sender, EventArgs e)
    {
        string to, from, pass, mail;
        to = (txtReceiver.Text).ToString();
        from = (txtSender.Text).ToString();
        mail = (txtMail.Text).ToString();
        pass = (txtPassword.Text).ToString();
        MailMessage message = new MailMessage();
        message.To.Add(to);
        message.From = new MailAddress(from);
        message.Body = mail;
        message.Subject = "Testing Mail";
        SmtpClient smtp = new SmtpClient("smpt.gmail.com");
        smtp.EnableSsl = true;
        smtp.Port = 587;
        smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
        smtp.Credentials = new NetworkCredential(from, pass);
        try
        {
            smtp.Send(message);
            MessageBox.Show("Email sent successfully", "Email", MessageBoxButtons.OK, MessageBoxIcon.Information);

        }
        catch(Exception ex)
        {
            MessageBox.Show(ex.Message);
        }
    }
}

}