diff --git a/build/run/docker-entrypoint/entrypoint.sh b/build/run/docker-entrypoint/entrypoint.sh
index 4ee90da..199de65 100755
--- a/build/run/docker-entrypoint/entrypoint.sh
+++ b/build/run/docker-entrypoint/entrypoint.sh
@@ -22,7 +22,13 @@ ${reset}"
 }
 
 # Reset logs
-# echo | tee /var/log/maillog /var/log/maillog.debug >/dev/null
+for log in /var/log/maillog{,.{0..9}} /var/log/maillog.debug{,.{0..9}}
+do
+    if [ ! -f ${log} ]
+    then
+        touch ${log}
+    fi
+done
 syslogd -O /var/log/maillog -s 2000 -b 10
 
 # Run all scripts in init folder
@@ -37,4 +43,4 @@ postfix reload &&
 echo -e "\n\e[1;32mMail service is ready\e[0m\n"
 
 # Monitor log
-tail -f /var/log/maillog*
+tail -f /var/log/maillog{,.{0..9}} /var/log/maillog.debug{,.{0..9}}
diff --git a/build/run/installer.sh b/build/run/installer.sh
index 049d07d..53db8f6 100755
--- a/build/run/installer.sh
+++ b/build/run/installer.sh
@@ -100,7 +100,7 @@ postconf -e 'non_smtpd_milters = $smtpd_milters'
 
 # Blocking spam
 # postconf -e "smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unknown_sender_domain, reject_unknown_reverse_client_hostname, reject_unknown_client_hostname"
-postconf -e "smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unknown_sender_domain"
+postconf -e "smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unknown_sender_domain, reject_unknown_client_hostname"
 postconf -e "smtpd_helo_required = yes"
 postconf -e "smtpd_helo_restrictions = permit_mynetworks, permit_sasl_authenticated, check_helo_access lmdb:/etc/postfix/helo_access, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_helo_hostname"