private void SendMail(string verify, string Reciever)
    {
        MailMessage mail = new MailMessage("yourusername@gmail.com", Reciever);
        mail.Subject = "Testing";

        string Body = "This is a testing mail";
        mail.Body = Body;

        mail.IsBodyHtml = true;
        SmtpClient smtp = new SmtpClient();
        smtp.Host = "smtp.gmail.com"; //gmail SMTP Server Address
        smtp.Port = 587;//port number
        smtp.Credentials = new System.Net.NetworkCredential("yourusername@gmail.com", "your password");
        //Or your Smtp Email ID and Password
        smtp.EnableSsl = true;
        smtp.Send(mail);
    }