System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage();
SmtpClient SmtpServer = new SmtpClient("smtp.gmail.com");
mail.From = new MailAddress("Sender email id");
mail.To.Add("receivers email id");
mail.Subject = "subject";
mail.Body = "avc";
SmtpServer.Port = 587;
SmtpServer.Credentials = new System.Net.NetworkCredential("Sender ", "password"); SmtpServer.EnableSsl = true;
SmtpServer.Send(mail);