fix: small issue when sending mail and exit when to- and fromssh are set

backup.sh

@@ -131,6 +131,7 @@ elif [ -n "$TOSSH" ] && [ -n "$FROMSSH" ]; then
   ERROR=1
   $ECHO "Plese don't provide to and from ssh information!" | formatLog >> $LOG
   $ECHO "No backup performed!" | formatLog >> $LOG
+  exit 1
 fi
 
 # Get date etc.
@@ -154,7 +155,7 @@ fi
 backup "daily/$WEEKDAY-$($DATE +"%A")/$HOUR"
 
 # Send email if an adress was provided
-if [ -n MAILADRESS ]; then  
+if [ -n "$MAILADRESS" ]; then  
   if [ $ERROR ]; then
     $MAIL -s "[Backup] error occured during backup - $LOG" $MAILADRESS < $LOG
   else