diff --git a/core/my_messages.js b/core/my_messages.js
index 721e1f9d..65a9335d 100644
--- a/core/my_messages.js
+++ b/core/my_messages.js
@@ -5,6 +5,9 @@
 const MenuModule    = require('./menu_module.js').MenuModule;
 const Message       = require('./message.js');
 const UserProps     = require('./user_property.js');
+const {
+    hasMessageConfAndAreaRead
+}                   = require('./message_area.js');
 
 exports.moduleInfo = {
     name    : 'My Messages',
@@ -30,7 +33,27 @@ exports.getModule = class MyMessagesModule extends MenuModule {
                 this.client.log.warn( { error : err.message }, 'Error finding messages addressed to current user');
                 return this.prevMenu();
             }
-            this.messageList = messageList;
+
+            //
+            //  We need to filter out messages belonging to conf/areas the user
+            //  doesn't have access to.
+            //
+            //  Keep a cache around for quick lookup.
+            //
+            const acsCache = new Map();    //  areaTag:boolean
+            this.messageList = messageList.filter(msg => {
+                let cached = acsCache.get(msg.areaTag);
+                if(false === cached) {
+                    return false;
+                }
+                if(true === cached) {
+                    return true;
+                }
+                cached = hasMessageConfAndAreaRead(this.client, msg.areaTag);
+                acsCache.set(msg.areaTag, cached);
+                return cached;
+            });
+
             this.finishedLoading();
         });
     }