diff --git a/docker-compose.yml b/docker-compose.yml
index 52a4cb6..0a7a40b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -24,6 +24,7 @@ services:
       - ENABLE_FAIL2BAN=1
       - ENABLE_POP3=1
       - ENABLE_IMAP=1
+      - SPOOF_PROTECTION=1
       - LOG_LEVEL=info
       - SUPERVISOR_LOGLEVEL=info
       - PFLOGSUMM_TRIGGER=daily_cron