diff --git a/app/src/main/java/fi/bitrite/android/ws/api/helper/HttpErrorHelper.java b/app/src/main/java/fi/bitrite/android/ws/api/helper/HttpErrorHelper.java
index 9a1f7a56..9ff3f3a4 100644
--- a/app/src/main/java/fi/bitrite/android/ws/api/helper/HttpErrorHelper.java
+++ b/app/src/main/java/fi/bitrite/android/ws/api/helper/HttpErrorHelper.java
@@ -2,13 +2,13 @@
 
 
 import android.content.Context;
-import androidx.annotation.StringRes;
 import android.widget.Toast;
 
 import org.json.JSONException;
 
 import java.io.IOException;
 
+import androidx.annotation.StringRes;
 import fi.bitrite.android.ws.R;
 import fi.bitrite.android.ws.util.Tools;
 import retrofit2.HttpException;
@@ -18,7 +18,14 @@ public class HttpErrorHelper {
     @StringRes
     public static int getErrorStringRes(Throwable throwable) {
         if (throwable instanceof HttpException) {
-            return R.string.http_server_access_failure;
+            HttpException httpError = (HttpException) throwable;
+            if (httpError.code() == 403) {
+                return R.string.access_denied;
+            } else if (httpError.code() >= 500) {
+                return R.string.internal_server_error;
+            } else {
+                return R.string.http_server_access_failure;
+            }
         } else if (throwable instanceof IOException) {
             return R.string.io_error;
         } else if (throwable instanceof JSONException) {
diff --git a/app/src/main/java/fi/bitrite/android/ws/repository/FeedbackRepository.java b/app/src/main/java/fi/bitrite/android/ws/repository/FeedbackRepository.java
index 8489c270..981125da 100644
--- a/app/src/main/java/fi/bitrite/android/ws/repository/FeedbackRepository.java
+++ b/app/src/main/java/fi/bitrite/android/ws/repository/FeedbackRepository.java
@@ -17,6 +17,7 @@
 import io.reactivex.Observable;
 import io.reactivex.Single;
 import io.reactivex.schedulers.Schedulers;
+import retrofit2.HttpException;
 
 /**
  * This repository is split into two parts. One lives in the account scope as we need access to its
@@ -114,7 +115,7 @@ Observable<LoadResult<List<Feedback>>> loadFromNetwork(int recipientId) {
 
                             return new LoadResult<>(LoadResult.Source.NETWORK, feedbacks);
                         } else {
-                            throw new Error(apiFeedbackResponse.errorBody().string());
+                            throw new HttpException(apiFeedbackResponse);
                         }
                     });
         }
@@ -131,7 +132,7 @@ Completable giveFeedback(int recipientId, @NonNull String body, Feedback.Relatio
                             body, relation, rating, yearWeMet, monthWeMet))
                     .flatMapCompletable(apiResponse -> {
                         if (!apiResponse.isSuccessful()) {
-                            throw new Error(apiResponse.errorBody().string());
+                            throw new HttpException(apiResponse);
                         }
 
                         markAsOld(recipientId);
diff --git a/app/src/main/java/fi/bitrite/android/ws/repository/MessageRepository.java b/app/src/main/java/fi/bitrite/android/ws/repository/MessageRepository.java
index 64c8d4dd..0729ea32 100644
--- a/app/src/main/java/fi/bitrite/android/ws/repository/MessageRepository.java
+++ b/app/src/main/java/fi/bitrite/android/ws/repository/MessageRepository.java
@@ -38,6 +38,7 @@
 import io.reactivex.Single;
 import io.reactivex.disposables.Disposable;
 import io.reactivex.schedulers.Schedulers;
+import retrofit2.HttpException;
 
 /**
  * Acts as a intermediate to return messages from the database and in the background re-fetching
@@ -98,7 +99,7 @@ public Completable reloadThreads() {
                 .observeOn(Schedulers.io())
                 .flatMapCompletable(apiResponse -> {
                     if (!apiResponse.isSuccessful()) {
-                        throw new Error(apiResponse.errorBody().string());
+                        return Completable.error(new HttpException(apiResponse));
                     }
 
                     MessageThreadListResponse responseBody = apiResponse.body();
@@ -130,7 +131,7 @@ public Observable<Integer> createThread(String subject, String message,
                     .filter(response -> {
                         // Throwing errors is not allowed in onSuccess().
                         if (!response.isSuccessful()) {
-                            throw new Exception(response.errorBody().string());
+                            throw new HttpException(response);
                         } else if (!response.body().isSuccessful) {
                             throw new Exception("Retreived an unsuccessful response.");
                         }
@@ -167,7 +168,7 @@ public Observable<Integer> createThread(String subject, String message,
                                 });
                     }, throwable -> {
                         Log.e(WSAndroidApplication.TAG,
-                                "Could not chreate the thread: " + throwable.toString());
+                                "Could not create the thread: " + throwable.toString());
                         emitter.onError(throwable);
                     });
         }).subscribeOn(Schedulers.io());
@@ -182,13 +183,13 @@ public Completable sendMessage(int threadId, String body) {
             // Creates and saves a new message.
             MessageThread thread = getRaw(threadId);
             if (thread == null) {
-                throw new Error("The thread needs to already be in the cache.");
+                throw new Exception("The thread needs to already be in the cache.");
             }
 
             int id = getNextPendingMessageId(thread);
             int authorId = mLoggedInUserHelper.getId();
             if (authorId == -1) {
-                throw new Error("No currently logged in user.");
+                throw new Exception("No currently logged in user.");
             }
 
             // Creates a temporary message and saves it into the database. We need to clone the
@@ -322,7 +323,7 @@ Observable<LoadResult<MessageThread>> loadFromNetwork(int threadId) {
                 .subscribeOn(Schedulers.io())
                 .flatMap(apiResponse -> {
                     if (!apiResponse.isSuccessful()) {
-                        throw new Error(apiResponse.errorBody().string());
+                        throw new HttpException(apiResponse);
                     }
 
                     MessageThreadResponse apiThread = apiResponse.body();
diff --git a/app/src/main/java/fi/bitrite/android/ws/repository/UserRepository.java b/app/src/main/java/fi/bitrite/android/ws/repository/UserRepository.java
index 91bb92d8..2fdc3281 100644
--- a/app/src/main/java/fi/bitrite/android/ws/repository/UserRepository.java
+++ b/app/src/main/java/fi/bitrite/android/ws/repository/UserRepository.java
@@ -20,6 +20,7 @@
 import io.reactivex.Maybe;
 import io.reactivex.Observable;
 import io.reactivex.schedulers.Schedulers;
+import retrofit2.HttpException;
 
 /**
  * This repository is split into two parts. One lives in the account scope as we need access to its
@@ -127,7 +128,7 @@ Observable<LoadResult<User>> loadFromNetwork(int userId) {
                     .subscribeOn(Schedulers.io())
                     .map(apiUserResponse -> {
                         if (!apiUserResponse.isSuccessful()) {
-                            throw new Error(apiUserResponse.errorBody().string());
+                            throw new HttpException(apiUserResponse);
                         }
 
                         return new LoadResult<>(
@@ -143,7 +144,7 @@ Observable<List<Integer>> searchByKeyword(String keyword) {
                     .subscribeOn(Schedulers.io())
                     .map(apiResponse -> {
                         if (!apiResponse.isSuccessful()) {
-                            throw new Error(apiResponse.errorBody().string());
+                            throw new HttpException(apiResponse);
                         }
 
                         Collection<ApiUser> apiUsers = apiResponse.body().users.values();
@@ -178,7 +179,7 @@ Observable<List<UserSearchByLocationResponse.User>> searchByLocation(
                     .subscribeOn(Schedulers.io())
                     .map(apiResponse -> {
                         if (!apiResponse.isSuccessful()) {
-                            throw new Error(apiResponse.errorBody().string());
+                            throw new HttpException(apiResponse);
                         }
 
                         return apiResponse.body().users;
diff --git a/app/src/main/java/fi/bitrite/android/ws/ui/ContactUserFragment.java b/app/src/main/java/fi/bitrite/android/ws/ui/ContactUserFragment.java
index b5213692..41c23da6 100644
--- a/app/src/main/java/fi/bitrite/android/ws/ui/ContactUserFragment.java
+++ b/app/src/main/java/fi/bitrite/android/ws/ui/ContactUserFragment.java
@@ -12,7 +12,6 @@
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
-import android.widget.Toast;
 
 import java.util.Collections;
 import java.util.List;
@@ -24,6 +23,7 @@
 import butterknife.OnClick;
 import fi.bitrite.android.ws.R;
 import fi.bitrite.android.ws.WSAndroidApplication;
+import fi.bitrite.android.ws.api.helper.HttpErrorHelper;
 import fi.bitrite.android.ws.model.SimpleUser;
 import fi.bitrite.android.ws.repository.MessageRepository;
 import fi.bitrite.android.ws.ui.util.DialogHelper;
@@ -109,8 +109,7 @@ public void onResume() {
                             navigationController.navigateToMessageThreads();
                         }
                     } else {
-                        Toast.makeText(getContext(), R.string.message_thread_create_failed,
-                                Toast.LENGTH_LONG).show();
+                        HttpErrorHelper.showErrorToast(getContext(), result.throwable);
                     }
                 }));
     }
diff --git a/app/src/main/java/fi/bitrite/android/ws/ui/MapFragment.java b/app/src/main/java/fi/bitrite/android/ws/ui/MapFragment.java
index ccac7b05..5708f48d 100644
--- a/app/src/main/java/fi/bitrite/android/ws/ui/MapFragment.java
+++ b/app/src/main/java/fi/bitrite/android/ws/ui/MapFragment.java
@@ -62,6 +62,7 @@
 import butterknife.OnClick;
 import butterknife.Unbinder;
 import fi.bitrite.android.ws.R;
+import fi.bitrite.android.ws.api.helper.HttpErrorHelper;
 import fi.bitrite.android.ws.api.response.UserSearchByLocationResponse;
 import fi.bitrite.android.ws.model.SimpleUser;
 import fi.bitrite.android.ws.model.User;
@@ -566,7 +567,7 @@ private void fetchUsersForCurrentMapPosition() {
                             }, throwable -> {
                                 // TODO(saemy): Error handling.
                                 Log.e(TAG, throwable.getMessage());
-                                sendMessage(R.string.http_server_access_failure);
+                                HttpErrorHelper.showErrorToast(getContext(), throwable);
                             }));
         }
 
diff --git a/app/src/main/java/fi/bitrite/android/ws/ui/MessageThreadFragment.java b/app/src/main/java/fi/bitrite/android/ws/ui/MessageThreadFragment.java
index d26dad3c..78f0c63e 100644
--- a/app/src/main/java/fi/bitrite/android/ws/ui/MessageThreadFragment.java
+++ b/app/src/main/java/fi/bitrite/android/ws/ui/MessageThreadFragment.java
@@ -21,6 +21,7 @@
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 import fi.bitrite.android.ws.R;
+import fi.bitrite.android.ws.api.helper.HttpErrorHelper;
 import fi.bitrite.android.ws.repository.MessageRepository;
 import fi.bitrite.android.ws.repository.UserRepository;
 import fi.bitrite.android.ws.ui.listadapter.MessageListAdapter;
@@ -117,9 +118,7 @@ public void onResume() {
                     if (result.throwable != null) {
                         // This should not happen, if there is no network connection we schedule
                         // sending the message for when it is back.
-                        Toast.makeText(getContext(), R.string.message_send_failed,
-                                Toast.LENGTH_LONG)
-                                .show();
+                        HttpErrorHelper.showErrorToast(getContext(), result.throwable);
                     } else {
                         mEdtNewMessage.setText("");
                     }
diff --git a/app/src/main/java/fi/bitrite/android/ws/ui/MessageThreadsFragment.java b/app/src/main/java/fi/bitrite/android/ws/ui/MessageThreadsFragment.java
index 6b51a5e0..cc23dc92 100644
--- a/app/src/main/java/fi/bitrite/android/ws/ui/MessageThreadsFragment.java
+++ b/app/src/main/java/fi/bitrite/android/ws/ui/MessageThreadsFragment.java
@@ -6,7 +6,6 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.Toast;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -23,6 +22,7 @@
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import fi.bitrite.android.ws.R;
+import fi.bitrite.android.ws.api.helper.HttpErrorHelper;
 import fi.bitrite.android.ws.model.MessageThread;
 import fi.bitrite.android.ws.repository.MessageRepository;
 import fi.bitrite.android.ws.repository.Resource;
@@ -165,9 +165,9 @@ private void reloadThreads() {
                 mMessageRepository.reloadThreads()
                         .observeOn(AndroidSchedulers.mainThread())
                         .doOnEvent(t -> mSwipeRefresh.setRefreshing(false))
-                        .subscribe(() -> {}, throwable -> Toast.makeText(
-                                getContext(), R.string.messages_reload_failed, Toast.LENGTH_LONG)
-                                .show()));
+                        .subscribe(() -> {},
+                                throwable -> HttpErrorHelper.showErrorToast(getContext(),
+                                        throwable)));
     }
 
     @Override
diff --git a/app/src/main/java/fi/bitrite/android/ws/ui/SearchFragment.java b/app/src/main/java/fi/bitrite/android/ws/ui/SearchFragment.java
index 6439d877..920e40e9 100644
--- a/app/src/main/java/fi/bitrite/android/ws/ui/SearchFragment.java
+++ b/app/src/main/java/fi/bitrite/android/ws/ui/SearchFragment.java
@@ -28,6 +28,7 @@
 import butterknife.OnItemClick;
 import fi.bitrite.android.ws.R;
 import fi.bitrite.android.ws.WSAndroidApplication;
+import fi.bitrite.android.ws.api.helper.HttpErrorHelper;
 import fi.bitrite.android.ws.model.SimpleUser;
 import fi.bitrite.android.ws.model.User;
 import fi.bitrite.android.ws.repository.Resource;
@@ -125,8 +126,8 @@ public void onResume() {
                     }
 
                     if (result.throwable != null) {
-                        // TODO(saemy): Better error message.
-                        DialogHelper.alert(getContext(), R.string.http_server_access_failure);
+                        DialogHelper.alert(getContext(),
+                                HttpErrorHelper.getErrorStringRes(result.throwable));
                     } else {
                         if (result.userIds.isEmpty()) {
                             DialogHelper.alert(getContext(), R.string.no_results);
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index c398ad7a..1bf5b279 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -222,13 +222,9 @@
     <string name="title_fragment_users">Gastgeber</string>
     <string name="title_fragment_filter_list">Gastgeber-Filter</string>
 
-    <string name="message_thread_create_failed">Fehler beim Erstellen eines neuen Chats.</string>
-    <string name="messages_reload_failed">Fehler beim Abrufen der Nachrichten.</string>
-
     <string name="message_new_hint">Gib eine Nachricht ein</string>
     <string name="message_mark_unread">Als ungelesen markieren</string>
     <string name="message_mark_read">Als gelesen markieren</string>
-    <string name="message_send_failed">Fehler beim Senden der Nachricht.</string>
 
     <string name="remember_password">Passwort speichern?</string>
     <string name="button_text_forgot_password">Passwort vergessen?</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 52bf6752..86169b71 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -223,12 +223,9 @@
     <string name="prefs_dev_simulate_no_network_title">Simular Sin Servicio</string>
     <string name="message_mark_read">Marcar como leído</string>
     <string name="message_mark_unread">Marcar como no leído</string>
-    <string name="message_send_failed">Fallo al enviar el mensaje.</string>
     <string name="menu_goto_profile">Mostrar perfil</string>
     <string name="menu_goto_profiles">Mostrar perfiles</string>
     <string name="message_new_hint">Escriba un mensaje</string>
-    <string name="messages_reload_failed">Error al obtener mensajes.</string>
-    <string name="message_thread_create_failed">Error al crear una nueva conversación.</string>
     <string name="feedback_error_sending">El comentario no fue enviado.</string>
 
     <string name="unknown_location">Ubicación desconocida</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 1d4dd03c..f6e3af84 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -229,12 +229,9 @@
     <string name="prefs_dev_simulate_no_network_title">Simuler une absence de service</string>
     <string name="message_mark_read">Marque comme lue</string>
     <string name="message_mark_unread">Marquer comme non lu</string>
-    <string name="message_send_failed">Échec de l’envoi du message.</string>
     <string name="menu_goto_profile">Montre le profile</string>
     <string name="menu_goto_profiles">Afficher les profils</string>
     <string name="message_new_hint">Tapez un message</string>
-    <string name="messages_reload_failed">Erreur lors de l\'obtention de messages.</string>
-    <string name="message_thread_create_failed">Erreur lors de la création d’une nouvelle conversation.</string>
     <string name="feedback_error_sending">L’envoi du commentaire a échoué.</string>
 
     <string name="unknown_location">Position inconnue</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index beeec53b..2deaf593 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -220,13 +220,9 @@
     <string name="title_fragment_users">Utenti</string>
     <string name="title_fragment_filter_list">Filtro Utenti</string>
 
-    <string name="message_thread_create_failed">Impossibile creare un nuovo thread di messaggi.</string>
-    <string name="messages_reload_failed">Impossibile ricaricare i messaggi.</string>
-
     <string name="message_new_hint">Scrivi un messaggio</string>
     <string name="message_mark_unread">Segna come non letto</string>
     <string name="message_mark_read">Segna come letto</string>
-    <string name="message_send_failed">Impossibile inviare il messaggio.</string>
 
     <string name="remember_password">Memorizza la password?</string>
     <string name="button_text_forgot_password">Password dimenticata?</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f3755e21..5fdabe4a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -232,13 +232,9 @@
     <string name="title_fragment_users">Users</string>
     <string name="title_fragment_filter_list">User Filters</string>
 
-    <string name="message_thread_create_failed">Failed to create a new message thread.</string>
-    <string name="messages_reload_failed">Failed to reload the messages.</string>
-
     <string name="message_new_hint">Type a message</string>
     <string name="message_mark_unread">Mark unread</string>
     <string name="message_mark_read">Mark read</string>
-    <string name="message_send_failed">Failed to send the message.</string>
 
     <string name="remember_password">Remember password?</string>
     <string name="button_text_forgot_password">Forgot your password?</string>
@@ -272,6 +268,8 @@
 
     <string name="invalid_api_key">The server rejected the request. Please update the app.\n(%1$s)</string>
     <string name="login_error_account_ip_temp_blocked">Too many login attempts. Your account is temporarily blocked. Please try again later.</string>
+    <string name="access_denied">Access denied. Please check your email for account confirmation message.</string>
+    <string name="internal_server_error">Oops... This is on us, sorry! Something has gone wrong on the server side. Please try again later.</string>
 
     <string name="notification_channel_messages_label" translatable="false">@string/title_fragment_messages</string>
 </resources>