diff --git a/src/main/java/org/acra/util/HttpRequest.java b/src/main/java/org/acra/util/HttpRequest.java
index 750424d35e..f34e16c059 100644
--- a/src/main/java/org/acra/util/HttpRequest.java
+++ b/src/main/java/org/acra/util/HttpRequest.java
@@ -41,7 +41,9 @@ public final class HttpRequest {
     private static final int HTTP_SUCCESS = 200;
     private static final int HTTP_REDIRECT = 300;
     private static final int HTTP_CLIENT_ERROR = 400;
+    private static final int HTTP_UNAUTHORIZED = 401;
     private static final int HTTP_FORBIDDEN = 403;
+    private static final int HTTP_METHOD_NOT_ALLOWED = 405;
     private static final int HTTP_CONFLICT = 409;
     private static final int MAX_HTTP_CODE = 600;
 
@@ -160,17 +162,25 @@ public void send(@NonNull Context context, @NonNull URL url, @NonNull Method met
         if ((responseCode >= HTTP_SUCCESS) && (responseCode < HTTP_REDIRECT)) {
             // All is good
             ACRA.log.i(LOG_TAG, "Request received by server");
+        } else if (responseCode == HTTP_UNAUTHORIZED) {
+            //401 means the server rejected the authentication. The request must not be repeated. Discard it.
+            //This probably means that nothing can be sent with this configuration, maybe ACRA should disable itself after it?
+            ACRA.log.w(LOG_TAG, "401: Login validation error on server - request will be discarded");
         } else if (responseCode == HTTP_FORBIDDEN) {
             // 403 is an explicit data validation refusal from the server. The request must not be repeated. Discard it.
-            ACRA.log.w(LOG_TAG, "Data validation error on server - request will be discarded");
+            ACRA.log.w(LOG_TAG, "403: Data validation error on server - request will be discarded");
+        } else if (responseCode == HTTP_METHOD_NOT_ALLOWED) {
+            //405 means the server doesn't allow this request method. The request must not be repeated. Discard it.
+            //This probably means that nothing can be sent with this configuration, maybe ACRA should disable itself after it?
+            ACRA.log.w(LOG_TAG, "405: Server rejected Http " + method + " - request will be discarded");
         } else if (responseCode == HTTP_CONFLICT) {
             // 409 means that the report has been received already. So we can discard it.
-            ACRA.log.w(LOG_TAG, "Server has already received this post - request will be discarded");
+            ACRA.log.w(LOG_TAG, "409: Server has already received this post - request will be discarded");
         } else if ((responseCode >= HTTP_CLIENT_ERROR) && (responseCode < MAX_HTTP_CODE)) {
             ACRA.log.w(LOG_TAG, "Could not send ACRA Post responseCode=" + responseCode + " message=" + urlConnection.getResponseMessage());
             throw new IOException("Host returned error code " + responseCode);
         } else {
-            ACRA.log.w(LOG_TAG, "Could not send ACRA Post - request will be discarded responseCode=" + responseCode + " message=" + urlConnection.getResponseMessage());
+            ACRA.log.w(LOG_TAG, "Could not send ACRA Post - request will be discarded. responseCode=" + responseCode + " message=" + urlConnection.getResponseMessage());
         }
 
         urlConnection.disconnect();