diff --git a/DMS/docker-compose.yml b/DMS/docker-compose.yml
index ef231ed..2dced53 100644
--- a/DMS/docker-compose.yml
+++ b/DMS/docker-compose.yml
@@ -25,6 +25,7 @@ services:
       - ./docker-data/dms/config/dovecot/conf.d/95-sieve-redirect.conf:/etc/dovecot/conf.d/95-sieve-redirect.conf:ro
       - /etc/localtime:/etc/localtime:ro
       - ./sync_dynamodb_to_sieve.py:/scripts/sync.py:ro
+      - ./sieve-cron:/etc/cron.d/sieve-sync:ro
     environment:
       # Wichtig: Rspamd und andere Services deaktivieren für ersten Test
       - ENABLE_RSPAMD=0
diff --git a/DMS/sieve-cron b/DMS/sieve-cron
new file mode 100644
index 0000000..744017d
--- /dev/null
+++ b/DMS/sieve-cron
@@ -0,0 +1 @@
+*/5 * * * * root python3 /scripts/sync.py >> /var/log/sieve-sync.log 2>&1