private confirmation SendDocument(string name, string pass, string fileName, byte[] content, string targetName)
        {


        _progressManager.SetCompleted("Отправка документа " + fileName);

            var request =
                (HttpWebRequest) WebRequest.Create("https://private.bus.gov.ru:443/gmu-integration-web/services/upload.");
            request.ContentType = string.Format("multipart/form-data; boundary={0}", Boundary);
            request.Method = "POST";
            request.KeepAlive = false;
            request.ProtocolVersion = HttpVersion.Version11;

            request.Proxy = ConfigurationManager.AppSettings
                .With(collection => collection.Get("E86n.Proxy"))
                .With(s => Regex.Match(s, @"http://(\w+):(\w+)@([a-zA-Z_0-9.]+):(\d{4})"))
                .With(
                    match =>
                        new WebProxy(match.Groups[3].Value, Convert.ToInt32(match.Groups[4].Value))
                        {
                            Credentials = new NetworkCredential(match.Groups[1].Value, match.Groups[2].Value),
                        });

            // вроде как отменяем необходимость добавлять сертификат казначейства
            ServicePointManager.ServerCertificateValidationCallback += (sender, certificate, chain, errors) => true;
            string confirmationContent = string.Empty;
            string exceptionContent = string.Empty;
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls;

            try
            {
                using (var requestStream = new MemoryStream())
                {
                    using (var streamWriter = new StreamWriter(requestStream))
                    {
                        streamWriter.WriteLine("--{0}", Boundary);
                        streamWriter.WriteLine("Content-Disposition: form-data; name=\"login\"");
                        streamWriter.WriteLine();
                        streamWriter.WriteLine(name);
                        streamWriter.WriteLine("--{0}", Boundary);

                        streamWriter.WriteLine("Content-Disposition: form-data; name=\"password\"");
                        streamWriter.WriteLine();
                        streamWriter.WriteLine(pass);
                        streamWriter.WriteLine("--{0}", Boundary);

                        streamWriter.WriteLine(
                            "Content-Disposition: form-data; name=\"document\";filename=\"{0}_{1}_{2}\"",
                            fileName,
                            DateTime.Now.ToString("yyyymmddhhmmss"),
                            "001");
                        streamWriter.WriteLine("Content-Type: text/xml");
                        streamWriter.WriteLine();
                        var r = Encoding.UTF8.GetChars(content);
                        string rs = new string(r);
                        streamWriter.WriteLine(Encoding.UTF8.GetChars(content));

                        streamWriter.WriteLine("--{0}--", Boundary);

                        streamWriter.Flush();
                        request.ContentLength = streamWriter.BaseStream.Length;


                    }

                    string result = Encoding.ASCII.GetString(requestStream.ToArray());

                    using (var streamWriter = new BinaryWriter(request.GetRequestStream()))
                    {
                        streamWriter.Write(requestStream.ToArray());
                    }
                }

                using (
                    StreamReader responseReader = request.GetResponse()
                        .GetResponseStream()
                        .With(stream => new StreamReader(stream)))
                {
                    confirmationContent = responseReader.ReadToEnd();
                }
            }
            catch (Exception e)
            {
                exceptionContent = e.ExpandException();
                throw;
            }
            finally
            {
                SaveSendState(fileName, content, confirmationContent, targetName, exceptionContent);
            }

            var p = request.ToString();
            return confirmation.Parse(confirmationContent);
        }