> It would be best to split it in to two commands.
> 
> First purge old files
> find /var/spool/MailScanner/quarentine -mtime +10 -type f -delete
> 
> Then purge any empty directories
> find /var/spool/MailScanner/quarentine -mtime +10 -type d -delete
> 
> The second find will silently fail to remove any directory that still
> has files in it which in this case is what you want.

Good idea.

Thanks for the responses.