diff --git a/caddy/Caddyfile b/caddy/Caddyfile
index 5f16483..19dc860 100644
--- a/caddy/Caddyfile
+++ b/caddy/Caddyfile
@@ -4,6 +4,7 @@
     acme_ca https://acme-v02.api.letsencrypt.org/directory
     debug
 }
+import mail_certs
 import email_autodiscover
 # ---------------------------------------------------------
 # Block A: Die dedizierten Autodiscover Domains