diff --git a/email_handler.py b/email_handler.py
index 0b3f8695..a00c783a 100644
--- a/email_handler.py
+++ b/email_handler.py
@@ -408,6 +408,7 @@ def handle_email_sent_to_ourself(alias, mailbox, msg: Message, user):
             mailbox=mailbox,
             refused_email_url=refused_email_url,
         ),
+        max_alert_24h=1,
     )