diff --git a/core/postfix/conf/main.cf b/core/postfix/conf/main.cf
index 2f2c6990..a3eb6132 100644
--- a/core/postfix/conf/main.cf
+++ b/core/postfix/conf/main.cf
@@ -97,7 +97,6 @@ unverified_recipient_reject_reason = Address lookup failure
 # Milter
 ###############
 
-smtpd_milters = inet:{{ HOST_ANTISPAM }}
 milter_protocol = 6
 milter_mail_macros = i {mail_addr} {client_addr} {client_name} {auth_authen}
 milter_default_action = tempfail
diff --git a/core/postfix/conf/master.cf b/core/postfix/conf/master.cf
index cbcc5e56..85fc6cd4 100644
--- a/core/postfix/conf/master.cf
+++ b/core/postfix/conf/master.cf
@@ -3,6 +3,7 @@
 
 # Exposed SMTP service
 smtp      inet  n       -       n       -       -       smtpd
+  -o smtpd_milters=inet:{{ HOST_ANTISPAM }}
 
 # Internal SMTP service
 10025     inet  n       -       n       -       -       smtpd