using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Net.Mail;

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

    }
    protected void btn_Send_Click(object sender, EventArgs e)
    {
        MailAddress from = new MailAddress(txt_From.Text);
        MailAddress to = new MailAddress(txt_To.Text);
        MailAddress cc = new MailAddress(txt_cc.Text);
        MailAddress bcc = new MailAddress(tx_bcc.Text);
        MailMessage msg = new MailMessage();
        msg.From = from;
        msg.To.Add(to);
        msg.CC.Add(cc);
        msg.Bcc.Add(bcc);
        msg.Subject = txt_Subject.Text;
        msg.Body = txt_Body.Text;
        SmtpClient Smc = new SmtpClient("localhost", 25);
        Smc.Send(msg);
    }
}