Resolve "Monitor - Disk Usage"

Closes #4329

install/tpl/debian_postfix.conf.master

@@ -28,7 +28,7 @@ proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virt
 smtpd_helo_required = yes
 smtpd_helo_restrictions = reject_invalid_helo_hostname, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, permit_sasl_authenticated, reject_non_fqdn_helo_hostname, check_helo_access regexp:{config_dir}/blacklist_helo, {reject_unknown_helo_hostname}, permit
 smtpd_sender_restrictions =  {reject_aslm} check_sender_access regexp:{config_dir}/tag_as_originating.re, permit_mynetworks{reject_slm}, permit_sasl_authenticated, reject_non_fqdn_sender, check_sender_access regexp:{config_dir}/tag_as_foreign.re, check_sender_access proxy:mysql:{config_dir}/mysql-virtual_sender.cf
-smtpd_client_restrictions = check_client_access proxy:mysql:{config_dir}/mysql-virtual_client.cf, permit_inet_interfaces, permit_mynetworks{rbl_list}, permit_sasl_authenticated, reject_unauth_pipelining {reject_unknown_client_hostname}, permit
+smtpd_client_restrictions = check_client_access proxy:mysql:{config_dir}/mysql-virtual_client.cf, permit_inet_interfaces, permit_mynetworks, permit_sasl_authenticated{rbl_list}, reject_unauth_pipelining {reject_unknown_client_hostname}, permit
 smtpd_etrn_restrictions = permit_mynetworks, reject
 smtpd_data_restrictions = permit_mynetworks, reject_unauth_pipelining, reject_multi_recipient_bounce, permit
 smtpd_client_message_rate_limit = 100