diff --git a/modules/smtp/site.js b/modules/smtp/site.js
index e4b21a02b..16585ac7b 100644
--- a/modules/smtp/site.js
+++ b/modules/smtp/site.js
@@ -391,21 +391,23 @@ function smtpSettingsPageHandler() {
 }
 
 $(function() {
-    var scheduled_msg_count = 0;
-    var sendScheduledMessages = function() { 
-        Hm_Ajax.request(
-            [{'name': 'hm_ajax_hook', 'value': 'ajax_send_scheduled_messages'}],
-            function(res) {
-                scheduled_msg_count = res.scheduled_msg_count;
-            },
-        );
-    }
-
-    sendScheduledMessages();
-    setInterval(sendScheduledMessages, 60000);
-    window.onbeforeunload = (e) => {
-        if (scheduled_msg_count > 0 && e.currentTarget.location.hostname !== document.location.hostname) {
-            return sprintf(hm_trans("You have %d scheduled messages that won\'t be executed if you quit"), scheduled_msg_count);
+    if (hm_is_logged()) {
+        var scheduled_msg_count = 0;
+        var sendScheduledMessages = function() { 
+            Hm_Ajax.request(
+                [{'name': 'hm_ajax_hook', 'value': 'ajax_send_scheduled_messages'}],
+                function(res) {
+                    scheduled_msg_count = res.scheduled_msg_count;
+                },
+            );
         }
-    };
+
+        sendScheduledMessages();
+        setInterval(sendScheduledMessages, 60000);
+        window.onbeforeunload = (e) => {
+            if (scheduled_msg_count > 0 && e.currentTarget.location.hostname !== document.location.hostname) {
+                return sprintf(hm_trans("You have %d scheduled messages that won\'t be executed if you quit"), scheduled_msg_count);
+            }
+        };
+    }
 });
\ No newline at end of file