diff --git a/Dockerfile b/Dockerfile
index 7e819097..15b23283 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -193,7 +193,7 @@ RUN curl -s https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem > /et
 
 COPY ./target/bin /usr/local/bin
 # Start-mailserver script
-COPY ./target/check_for_changes.sh ./target/start-mailserver.sh ./target/fail2ban-wrapper.sh ./target/postfix-wrapper.sh ./target/docker-configomat/configomat.sh /usr/local/bin/
+COPY ./target/check-for-changes.sh ./target/start-mailserver.sh ./target/fail2ban-wrapper.sh ./target/postfix-wrapper.sh ./target/docker-configomat/configomat.sh /usr/local/bin/
 RUN chmod +x /usr/local/bin/*
 
 # Configure supervisor
diff --git a/Makefile b/Makefile
index cb2150d2..b68b3f63 100644
--- a/Makefile
+++ b/Makefile
@@ -171,7 +171,7 @@ fixtures:
 	docker cp "`pwd`/test/config/sieve/dovecot.sieve" mail:/var/mail/localhost.localdomain/user1/.dovecot.sieve
 	docker exec mail /bin/sh -c "maildirmake.dovecot /var/mail/localhost.localdomain/user1/.INBOX.spam"
 	docker exec mail /bin/sh -c "chown 5000:5000 -R /var/mail/localhost.localdomain/user1/.INBOX.spam"
-	sleep 20
+	sleep 30
 	# Sending test mails
 	docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/amavis-spam.txt"
 	docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/amavis-virus.txt"
@@ -194,7 +194,7 @@ fixtures:
 
 	docker exec mail_override_hostname /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/existing-user1.txt"
 	# Wait for mails to be analyzed
-	sleep 75
+	sleep 80
 
 tests:
 	# Start tests
diff --git a/target/check_for_changes.sh b/target/check-for-changes.sh
similarity index 83%
rename from target/check_for_changes.sh
rename to target/check-for-changes.sh
index 215ef76d..50b6349b 100755
--- a/target/check_for_changes.sh
+++ b/target/check-for-changes.sh
@@ -1,38 +1,44 @@
 #! /bin/bash
 
+# create date for log output
+log_date=$(date +"%Y-%m-%d %H:%M:%S ")
 # Prevent a start too early
 sleep 5
+echo "${log_date} Start check-for-changes script."
 
 # change directory
 cd /tmp/docker-mailserver
 
-# Update / generate after start
-echo 'Makeing new chksum'
-sha512sum --tag postfix-accounts.cf --tag postfix-virtual.cf > chksum
+# Check postfix-accounts.cf exist else break
+if [ ! -f postfix-accounts.cf ]; then
+   echo "${log_date} postfix-accounts.cf is missing! This should not run! Exit!"
+   exit
+fi 
 
+# Update / generate after start
+echo "${log_date} Makeing new checksum file."
+if [ -f postfix-virtual.cf ]; then
+	sha512sum --tag postfix-accounts.cf --tag postfix-virtual.cf > chksum
+else
+	sha512sum --tag postfix-accounts.cf > chksum
+fi
 # Run forever
 while true; do
 
-# Check postfix-virtual.cf exist else break
-if [ ! -f postfix-virtual.cf ]; then
-   echo 'postfix-virtual.cf is missing! exit!'
-   break;
-fi
-
-# Check postfix-accounts.cf exist else break
-if [ ! -f postfix-accounts.cf ]; then
-   echo 'postfix-accounts.cf is missing! exit!'
-   break;
-fi 
-
+# recreate logdate
+log_date=$(date +"%Y-%m-%d %H:%M:%S ")
 
 # Get chksum and check it.
-chksum=$(sha512sum -c chksum)
+chksum=$(sha512sum -c --ignore-missing chksum)
 resu_acc=${chksum:21:2}
-resu_vir=${chksum:44:2}
+if [ -f postfix-virtual.cf ]; then
+	resu_vir=${chksum:44:2}
+else
+	resu_vir="OK"
+fi
 
 if ! [ $resu_acc = "OK" ] || ! [ $resu_vir = "OK" ]; then
-   echo "CHANGE DETECT"
+   echo "${log_date} Change detected"
     #regen postfix accounts.
 	echo -n > /etc/postfix/vmailbox
 	echo -n > /etc/dovecot/userdb
@@ -74,6 +80,7 @@ if ! [ $resu_acc = "OK" ] || ! [ $resu_vir = "OK" ]; then
 			echo ${domain} >> /tmp/vhost.tmp
 		done
 	fi
+	if [ -f postfix-virtual.cf ]; then
     # regen postfix aliases
     echo -n > /etc/postfix/virtual
 	echo -n > /etc/postfix/regexp
@@ -97,6 +104,7 @@ if ! [ $resu_acc = "OK" ] || ! [ $resu_vir = "OK" ]; then
 		s/$/ regexp:\/etc\/postfix\/regexp/
 		}' /etc/postfix/main.cf
 	fi
+	fi
     # Set vhost 
 	if [ -f /tmp/vhost.tmp ]; then
 		cat /tmp/vhost.tmp | sort | uniq > /etc/postfix/vhost && rm /tmp/vhost.tmp
@@ -115,8 +123,12 @@ if ! [ $resu_acc = "OK" ] || ! [ $resu_vir = "OK" ]; then
         supervisorctl restart dovecot
     fi 
 
-    echo 'Update chksum'
+    echo "${log_date} Update checksum"
+	if [ -f postfix-virtual.cf ]; then
     sha512sum --tag postfix-accounts.cf --tag postfix-virtual.cf > chksum
+	else
+	sha512sum --tag postfix-accounts.cf > chksum
+	fi
 fi
 
 sleep 1
diff --git a/target/supervisor/conf.d/supervisor-app.conf b/target/supervisor/conf.d/supervisor-app.conf
index c768ba4b..86eb6c99 100644
--- a/target/supervisor/conf.d/supervisor-app.conf
+++ b/target/supervisor/conf.d/supervisor-app.conf
@@ -120,4 +120,4 @@ autostart=false
 autorestart=true
 stdout_logfile=/var/log/supervisor/%(program_name)s.log
 stderr_logfile=/var/log/supervisor/%(program_name)s.log
-command=/usr/local/bin/check_for_changes.sh
+command=/usr/local/bin/check-for-changes.sh