fix: fixed outlook misdirect bounce spam

forwardemail · Jan 8, 2025 · a36c01c · a36c01c
1 parent cc87db7
commit a36c01c
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/helpers/is-arbitrary.js b/helpers/is-arbitrary.js
@@ -153,7 +153,11 @@ function isArbitrary(session, headers) {
   // if from [email protected] and message is "Undeliverable: "
   //
   if (
-    session.originalFromAddress === '[email protected]' &&
+    (session.originalFromAddress === '[email protected]' ||
+      (session.resolvedClientHostname &&
+        session.resolvedClientHostname.endsWith(
+          '.outbound.protection.outlook.com'
+        ))) &&
     subject &&
     subject.startsWith('Undeliverable: ')
   )