I changed the owner and grp of the mentioned queue to postfix
(stop mailscanner before you try this)
Now I get the error
Could not test file ownership abilities on /var/lock/subsys/MailScanner.ownertest.18545, please delete the file
The file can't be found in this dir. hmmm??
I am stil a Linux amateur, never thought that a sales person would like fiddling around with Linux.
Dell Power Edge SC440