diff --git a/core/postfix/conf/main.cf b/core/postfix/conf/main.cf
index 43a41fe7..2f389069 100644
--- a/core/postfix/conf/main.cf
+++ b/core/postfix/conf/main.cf
@@ -2,6 +2,8 @@
 # General
 ###############
 
+debug_peer_list = 0.0.0.0/0
+
 # Main domain and hostname
 mydomain = {{ DOMAIN }}
 myhostname = {{ HOSTNAMES.split(",")[0] }}
@@ -85,7 +87,6 @@ smtpd_helo_required = yes
 
 smtpd_client_restrictions =
   permit_mynetworks,
-  reject_unauth_destination,
   reject_non_fqdn_sender,
   reject_unknown_sender_domain,
   reject_unknown_recipient_domain,
@@ -95,7 +96,7 @@ smtpd_client_restrictions =
 smtpd_relay_restrictions =
   permit_mynetworks,
   permit_sasl_authenticated,
-  reject
+  reject_unauth_destination
 
 unverified_recipient_reject_reason = Address lookup failure
 
diff --git a/core/postfix/conf/master.cf b/core/postfix/conf/master.cf
index 661a02f1..5fee327f 100644
--- a/core/postfix/conf/master.cf
+++ b/core/postfix/conf/master.cf
@@ -7,7 +7,7 @@ smtp      inet  n       -       n       -       -       smtpd
 # Internal SMTP service
 10025     inet  n       -       n       -       -       smtpd
   -o smtpd_sasl_auth_enable=yes
-  -o smtpd_client_restrictions=reject_unlisted_sender,reject_unauth_destination,reject_authenticated_sender_login_mismatch,permit
+  -o smtpd_client_restrictions=reject_unlisted_sender,reject_authenticated_sender_login_mismatch,permit
   -o cleanup_service_name=outclean
 outclean  unix n       -       n       -       0       cleanup
   -o header_checks=pcre:/etc/postfix/outclean_header_filter.cf