fix for issue #747 (NOT TESTED YET)

Need to test this. Dont merge it yet.

target/check_for_changes.sh

@@ -6,30 +6,30 @@ sleep 5
 # change directory
 cd /tmp/docker-mailserver
 
-# Update / generate after start
-echo 'Makeing new chksum'
-sha512sum --tag postfix-accounts.cf --tag postfix-virtual.cf > chksum
-
-# 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;
+   echo 'postfix-accounts.cf is missing! This should not run! Exit!'
+   exit
 fi 
 
+# Update / generate after start
+echo 'Makeing new chksum'
+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
 
 # Get chksum and check it.
 chksum=$(sha512sum -c chksum)
 resu_acc=${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"
@@ -74,6 +74,7 @@ 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 +98,7 @@ 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
@@ -116,7 +118,11 @@ if ! [ $resu_acc = "OK" ] || ! [ $resu_vir = "OK" ]; then
     fi 
 
     echo 'Update chksum'
+	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