Mailbox install message

src/freedombone

   if [[ $SYSTEM_TYPE == "$VARIANT_CHAT" || $SYSTEM_TYPE == "$VARIANT_MEDIA" || $SYSTEM_TYPE == "$VARIANT_NONMAILBOX" || $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
       return
   fi
-  EMAIL_COMPLETE_MSG='  *** Freedombone mailbox installation is complete ***'
+  EMAIL_COMPLETE_MSG=$'
+  *** Freedombone mailbox installation is complete ***
+
+      Now on your internet router forward ports
+     25, 587, 465, 993 and 2222 to the freedombone
+'
   if grep -Fxq "import_email" $COMPLETION_FILE; then
       if [[ $SYSTEM_TYPE == "$VARIANT_MAILBOX" ]]; then
           create_backup_script
           if [ -d $USB_MOUNT ]; then
               umount $USB_MOUNT
               rm -rf $USB_MOUNT
-              echo '            You can now remove the USB drive'
+              echo $'            You can now remove the USB drive'
           fi
           exit 0
       fi

src/freedombone-image-customise

     echo '    if [ "$?" = "0" ]; then' >> $rootdir/root/.bashrc
     echo "        if [ -f ~/${PROJECT_NAME}-completed.txt ]; then" >> $rootdir/root/.bashrc
     # Remove the initial setup files
-    echo "            rm /root/.initial_setup" >> $rootdir/root/.bashrc
+    echo '            rm /root/.initial_setup' >> $rootdir/root/.bashrc
     echo "            rm /home/${MY_USERNAME}/.initial_setup" >> $rootdir/root/.bashrc
-    echo "            shred -zu ~/login.txt" >> $rootdir/root/.bashrc
-    echo "            dialog --title 'Congratulations!' --msgbox '\nYour Freedombone system has now installed\n\nPress any key to reboot and begin using it' 9 50" >> $rootdir/root/.bashrc
+    echo '            shred -zu ~/login.txt' >> $rootdir/root/.bashrc
+    echo '            dialog --title "Congratulations!" --msgbox "\nYour Freedombone system has now installed\n\nPress any key to reboot and begin using it" 9 50' >> $rootdir/root/.bashrc
 	cat >> $rootdir/root/.bashrc <<EOF
             reboot
         fi