diff --git a/values/postfix/values/values.yaml b/values/postfix/values/values.yaml
index 120c1873..b9332904 100644
--- a/values/postfix/values/values.yaml
+++ b/values/postfix/values/values.yaml
@@ -29,7 +29,6 @@ config:
     ALLOWED_SENDER_DOMAINS: "oceanbox.io"
     RELAYHOST: "[smtp.office365.com]:587"
     RELAYHOST_USERNAME: "gitea@oceanbox.io"
-    RELAYHOST_TLS_LEVEL: "encrypt"
     XOAUTH2_CLIENT_ID: "00c73c4a-1ad5-477d-b773-d5d63986061e"
     XOAUTH2_SECRET: "3E18Q~ONNftFcCmHIHZmPbLtVqwLDBSCwI9hGagV"
     XOAUTH2_TOKEN_ENDPOINT: https://login.microsoftonline.com/3f737008-e9a0-4485-9d27-40329d288089/oauth2/v2.0/token
@@ -37,6 +36,8 @@ config:
     # XOAUTH2_INITIAL_REFRESH_TOKEN: ""
     XOAUTH2_SYSLOG_ON_FAILURE: "no"
     XOAUTH2_FULL_TRACE: "no"
+  postfix:
+    smtp_tls_security_level: "encrypt"
 
 resources:
   limits: