[성현모] KeficoMailService 추가, KMS 인증서 컨피그 추가

Projects/SystemX.Core/SystemX.Core/Services/HttpService.cs

@@ -139,7 +139,7 @@ namespace SystemX.Core.Services
             return response;
         }
 
-        protected HttpClientHandler GetClientHandler()
+        protected virtual HttpClientHandler GetClientHandler()
         {
             HttpClientHandler clientHandler = new HttpClientHandler();
             clientHandler.ServerCertificateCustomValidationCallback = (message, cert, chain, sslPolicyErrors) =>
@@ -150,7 +150,7 @@ namespace SystemX.Core.Services
             return clientHandler;
         }
 
-        protected short SetTimeout(short timeOutSeconds)
+        protected virtual short SetTimeout(short timeOutSeconds)
         {
             short timeoutMin = 5;
             short timeoutMax = 30;