protected void btnSendEmail_Click(object sender, EventArgs e){ MailMessage mail = new MailMessage(); mail.To.Add("saurabhjnumca@gmail.com"); mail.To.Add("saurabh_singh_jnu06@yahoo.co.in"); mail.From = new MailAddress("sandeepjnumca@gmail.com"); mail.Subject = "HI this is a test mail for learners using .Net"; string Body = "Hi Friends, this mail...