Smtp Mail

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net.Mail;



namespace TASK11
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            try
            {
                MailMessage mail = new MailMessage();
                mail.To.Add(TextBox1.Text);
                mail.From = new MailAddress("youremail@domain.com"); // Replace with your email
                mail.Subject = TextBox2.Text;
                mail.Body = TextBox3.Text;

                SmtpClient smtp = new SmtpClient();
                smtp.Host = "smtp.gmail.com"; // Replace with your SMTP server
                smtp.Port = 587; // Replace with SMTP port
                smtp.Credentials = new System.Net.NetworkCredential("username", "password"); // Replace with your credentials
                smtp.EnableSsl = true;
                smtp.Send(mail);
                Label4.Text = "Email sent successfully!";
            }
            catch (Exception ex)
            {
                Label4.Text = "Error: " + ex.Message;
            }
        }
    }
    }