ls -ld /var/spool/postfix/; ls -l /var/spool/postfix/
drwxr-xr-x  16 root root 4096 Dec 26  2003 /var/spool/postfix//
total 56
drwx------  18 postfix root     4096 Jun 20  2002 active/
drwx------  18 postfix root     4096 Jun 25  2002 bounce/
drwx------   2 postfix root     4096 Dec 18  2003 corrupt/
drwx------  18 postfix root     4096 Jun 26  2002 defer/
drwx------  18 postfix root     4096 Jun 26  2002 deferred/
drwx------   6 postfix root     4096 Apr 18  2005 flush/
drwx------   2 postfix root     4096 Dec 18  2003 hold/
drwx------  18 postfix root     4096 Nov  4 12:52 incoming/
drwx-wx---   2 postfix postdrop 4096 Oct 15 08:34 maildrop/
drwxr-xr-x   2 root    root     4096 Apr 16  2004 pid/
drwx------   2 postfix root     4096 Oct 12 08:38 private/
drwx--x---   2 postfix postdrop 4096 Oct 12 08:38 public/
drwx------   2 postfix root     4096 Dec 18  2003 saved/
drwxrwxr-x   4 postfix postfix  4096 Dec 26  2003 virtual/