diff --git a/libervia/backend/core/xmpp.py b/libervia/backend/core/xmpp.py
index a5228dd4..49a02452 100644
--- a/libervia/backend/core/xmpp.py
+++ b/libervia/backend/core/xmpp.py
@@ -690,7 +690,7 @@ class SatXMPPEntity(core_types.SatXMPPEntity):
         """
         raise NotImplementedError
 
-    async def a_send(self, obj):
+    async def a_send(self, obj: domish.Element) -> None:
         # original send method accept string
         # but we restrict to domish.Element to make trigger treatments easier
         assert isinstance(obj, domish.Element)
@@ -704,7 +704,7 @@ class SatXMPPEntity(core_types.SatXMPPEntity):
             return
         super().send(obj)
 
-    def send(self, obj):
+    def send(self, obj: domish.Element):
         defer.ensureDeferred(self.a_send(obj))
 
     async def send_message_data(self, mess_data):
@@ -1151,6 +1151,12 @@ class SatXMPPComponent(SatXMPPEntity, component.Component):
     def is_admin(self) -> bool:
         return False
 
+    def is_local(self, jid_: jid.JID) -> bool:
+        """Returns True if jid_ use a domain or subdomain of component's host"""
+        local_host = self.host.split(".")
+        assert local_host
+        return jid_.host.split(".")[-len(local_host) :] == local_host
+
     def _create_sub_protocols(self):
         self.messageProt = SatMessageProtocol(self.host_app)
         self.messageProt.setHandlerParent(self)
@@ -1310,7 +1316,7 @@ class SatMessageProtocol(xmppim.MessageProtocol):
         @return(dict): message data
         """
         if message_elt.name != "message":
-            log.warning(
+            log.error(
                 _(
                     "parse_message used with a non <message/> stanza, ignoring: {xml}".format(
                         xml=message_elt.toXml()
@@ -1323,7 +1329,7 @@ class SatMessageProtocol(xmppim.MessageProtocol):
             # xmlns may be None when wokkel element parsing strip out root namespace
             self.normalize_ns(message_elt, None)
         elif message_elt.uri != C.NS_CLIENT:
-            log.warning(
+            log.error(
                 _(
                     "received <message> with a wrong namespace: {xml}".format(
                         xml=message_elt.toXml()
diff --git a/libervia/backend/plugins/plugin_comp_ap_gateway/__init__.py b/libervia/backend/plugins/plugin_comp_ap_gateway/__init__.py
index f60f6d9b..24d7a59e 100644
--- a/libervia/backend/plugins/plugin_comp_ap_gateway/__init__.py
+++ b/libervia/backend/plugins/plugin_comp_ap_gateway/__init__.py
@@ -764,9 +764,10 @@ class APGateway:
 
     def is_local(self, jid_: jid.JID) -> bool:
         """Returns True if jid_ use a domain or subdomain of gateway's host"""
-        local_host = self.client.host.split(".")
-        assert local_host
-        return jid_.host.split(".")[-len(local_host) :] == local_host
+        # FIXME: kept for compatiblity, need to be removed in favor of
+        #   "self.client.is_local".
+
+        return self.client.is_local(jid_)
 
     async def is_pubsub(self, jid_: jid.JID) -> bool:
         """Indicate if a JID is a Pubsub service"""