public async Task <ActionResult> ContactUsSubmission(ContactUsViewModel contactUs)
        {
            ViewBag.ModelState = ModelState;
            if (ModelState.IsValid)
            {
                var emailReference = GenerateEmailReference(contactUs);
                ViewBag.EmailReference = emailReference;

                try
                {
                    var placeholders = new Dictionary <string, dynamic> {
                        { "EmailReference ", emailReference },
                        { "Name", FormFieldSanitizer.SanitizeFormField(contactUs.Name) },
                        { "Email", FormFieldSanitizer.SanitizeFormField(contactUs.Email) },
                        { "SchoolTrustName", FormFieldSanitizer.SanitizeFormField(contactUs.SchoolTrustName) ?? "N/A" },
                        { "Message", contactUs.Message }
                    };

                    await _emailSender.SendContactUsUserEmailAsync(contactUs.Email, placeholders);

                    await _emailSender.SendContactUsDfEEmailAsync(ConfigurationManager.AppSettings["SRMEmailAddress"], placeholders);
                }
                catch (HttpRequestValidationException exc)
                {
                    var enableAITelemetry = WebConfigurationManager.AppSettings["EnableAITelemetry"];

                    if (enableAITelemetry != null && bool.Parse(enableAITelemetry))
                    {
                        var ai = new TelemetryClient();
                        ai.TrackException(exc);
                        ai.TrackTrace($"Contact us email rejected due to SQL injection attack!");
                        ai.TrackTrace($"Contact us email sending failed for: {contactUs.Name} - ({contactUs.SchoolTrustName}) ({contactUs.Email}) - ref: {emailReference}");
                    }
                    throw exc;
                }
                catch (Exception exception)
                {
                    var enableAITelemetry = WebConfigurationManager.AppSettings["EnableAITelemetry"];

                    if (enableAITelemetry != null && bool.Parse(enableAITelemetry))
                    {
                        var ai = new TelemetryClient();
                        ai.TrackException(exception);
                        ai.TrackTrace($"Contact us email sending error: {exception.Message}");
                        ai.TrackTrace($"Contact us email sending failed for: {contactUs.Name} ({contactUs.Email}) - ref: {emailReference}");
                    }
                    throw;
                }

                return(View("ContactUsConfirmation"));
            }
            else
            {
                return(View("index", contactUs));
            }
        }