diff --git a/Allowlist.txt b/Allowlist.txt
index 9cee035..84865b4 100644
--- a/Allowlist.txt
+++ b/Allowlist.txt
@@ -595,7 +595,15 @@ api-o2de.mytelco.io
 
 # 🟢 Core App API (Vertragsdaten / Login / Tarifinfos)
 prd-o2de-northeurope06.mytelco.io
+
 # -----------------------------------------
+# 📧 YAHOO MAIL – App Funktion
+# -----------------------------------------
+# 🟢 Core API (Mails laden / senden)
+data.mail.yahoo.com
+
+# 🟢 Backend / Session / Konfiguration
+pbs.yahoo.com
 # -----------------------------------------