SmtpClient client = new SmtpClient("smtp.mail.ru", 465);
            client.Credentials = new NetworkCredential("vasiliy.aksenov.97@mail.ru", "11aa11aa");
            client.EnableSsl = true;
            MailMessage mail = new MailMessage();
            mail.From = new MailAddress("vasiliy.aksenov.97@mail.ru");
            mail.To.Add("vasiliy.aksenov.97@mail.ru");
            mail.Subject = "Получен новый заказ на " + OrderData.clothingTypeRuss;
            mail.Body = "test";
        try
        {
            client.Send(mail);
            MessageBox.Show("Заказ успешно отправлен ", "Отправка");
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message, ex.Source);
        }