diff --git a/lib/reducers/message-reducer.js b/lib/reducers/message-reducer.js
--- a/lib/reducers/message-reducer.js
+++ b/lib/reducers/message-reducer.js
@@ -47,6 +47,8 @@
 } from '../actions/thread-actions.js';
 import { updateMultimediaMessageMediaActionType } from '../actions/upload-actions.js';
 import {
+  keyserverAuthActionTypes,
+  tempIdentityLoginActionTypes,
   logOutActionTypes,
   deleteKeyserverAccountActionTypes,
   logInActionTypes,
@@ -101,6 +103,7 @@
   processUpdatesActionType,
 } from '../types/update-types.js';
 import { translateClientDBThreadMessageInfos } from '../utils/message-ops-utils.js';
+import { ashoatKeyserverID } from '../utils/validation-utils.js';
 
 const _mapValuesWithKeys = _mapValues.convert({ cap: false });
 
@@ -745,6 +748,31 @@
         threads: processedMessageStore.threads,
       },
     };
+  } else if (action.type === tempIdentityLoginActionTypes.success) {
+    const { messageStoreOperations, messageStore: freshStore } =
+      freshMessageStore([], {}, { [ashoatKeyserverID]: 0 }, newThreadInfos);
+
+    const processedMessageStore = processMessageStoreOperations(
+      messageStore,
+      messageStoreOperations,
+    );
+
+    return {
+      messageStoreOperations,
+      messageStore: {
+        ...freshStore,
+        messages: processedMessageStore.messages,
+        threads: processedMessageStore.threads,
+      },
+    };
+  } else if (action.type === keyserverAuthActionTypes.success) {
+    const { messagesResult } = action.payload;
+    return mergeNewMessages(
+      messageStore,
+      messagesResult.messageInfos,
+      messagesResult.truncationStatus,
+      newThreadInfos,
+    );
   } else if (action.type === incrementalStateSyncActionType) {
     if (
       action.payload.messagesResult.rawMessageInfos.length === 0 &&