using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using System.Web.Mail;public partial class SendingMail : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { }protected void btnSend_Click(object sender, EventArgs e) { // Sending mail using Code.. MailMessage mm = new MailMessage(); try { mm.From = "gau.agrawal1982@gmail.com"; mm.To = txtTO.Text.ToString(); mm.Cc = txtCC.Text.ToString(); mm.Bcc = txtBCC.Text.ToString(); mm.Body = txtBody.Text.ToString(); mm.Subject = txtSubject.Text.ToString(); string filePath = fload.PostedFile.FileName; mm.Attachments.Add(new System.Web.Mail.MailAttachment(filePath,MailEncoding.UUEncode)); System.Web.Mail.SmtpMail.Send(mm); lblMessage.Text = "Email successfully sent."; } catch(Exception ex) { lblMessage.Text = "Send Email Failed." + ex.Message; } }}