add smtpd_etrn_restrictions

install/tpl/debian_postfix.conf.master

@@ -29,6 +29,7 @@ smtpd_helo_required = yes
 smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, reject_non_fqdn_helo_hostname, reject_invalid_helo_hostname, reject_unknown_helo_hostname, check_helo_access regexp:{config_dir}/blacklist_helo
 smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
 smtpd_client_restrictions = check_client_access mysql:{config_dir}/mysql-virtual_client.cf
+smtpd_etrn_restrictions = permit_mynetworks, reject
 smtpd_data_restrictions = reject_unauth_pipelining, reject_multi_recipient_bounce, permit
 smtpd_client_message_rate_limit = 100
 maildrop_destination_concurrency_limit = 1

install/tpl/fedora_postfix.conf.master

@@ -25,6 +25,7 @@ smtpd_helo_required = yes
 smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, reject_non_fqdn_helo_hostname, reject_invalid_helo_hostname, reject_unknown_helo_hostname, check_helo_access regexp:{config_dir}/blacklist_helo
 smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
 smtpd_client_restrictions = check_client_access mysql:{config_dir}/mysql-virtual_client.cf
+smtpd_etrn_restrictions = permit_mynetworks, reject
 smtpd_data_restrictions = reject_unauth_pipelining, reject_multi_recipient_bounce, permit
 smtpd_client_message_rate_limit = 100
 maildrop_destination_concurrency_limit = 1

install/tpl/gentoo_postfix.conf.master

@@ -24,6 +24,7 @@ smtpd_helo_required = yes
 smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, reject_non_fqdn_hostname, reject_invalid_helo_hostname, reject_unknown_helo_hostname, check_helo_access regexp:{config_dir}/blacklist_helo
 smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
 smtpd_client_restrictions = check_client_access mysql:{config_dir}/mysql-virtual_client.cf
+smtpd_etrn_restrictions = permit_mynetworks, reject
 smtpd_data_restrictions = reject_unauth_pipelining, reject_multi_recipient_bounce, permit
 smtpd_client_message_rate_limit = 100
 maildrop_destination_concurrency_limit = 1

install/tpl/opensuse_postfix.conf.master

@@ -27,6 +27,7 @@ smtpd_helo_required = yes
 smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, reject_non_fqdn_helo_hostname, reject_invalid_helo_hostname, reject_unknown_helo_hostname, check_helo_access regexp:{config_dir}/blacklist_helo
 smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
 smtpd_client_restrictions = check_client_access mysql:{config_dir}/mysql-virtual_client.cf
+smtpd_etrn_restrictions = permit_mynetworks, reject
 smtpd_data_restrictions = reject_unauth_pipelining, reject_multi_recipient_bounce, permit
 smtpd_client_message_rate_limit = 100
 maildrop_destination_concurrency_limit = 1