diff --git a/install/tpl/debian_postfix.conf.master b/install/tpl/debian_postfix.conf.master
index b7dbea6300a8cc251c64e2b2a2b4e25748f737b1..22a9484b13304b02279e35454179b00100bad882 100644
--- a/install/tpl/debian_postfix.conf.master
+++ b/install/tpl/debian_postfix.conf.master
@@ -14,7 +14,7 @@ smtpd_sasl_auth_enable = yes
 broken_sasl_auth_clients = yes
 smtpd_sasl_authenticated_header = yes
 smtpd_restriction_classes = greylisting
-greylisting = check_policy_service inet:127.0.0.1:10023 
+greylisting = check_policy_service inet:127.0.0.1:10023
 smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination{rbl_list}, check_recipient_access mysql:{config_dir}/mysql-virtual_recipient.cf{greylisting}
 smtpd_use_tls = yes
 smtpd_tls_security_level = may