Invalid home directory permissions - world writable

Hi,

I use Debian Woody with stock Postfix (1.1.11-0.woody3) and Maildrop
(1.3.7-2) and I have problems to deliver any mail. The log shows me
this error for each mail:
    Jan 11 18:43:30 tinkerbell postfix/local[20791]: DEAEA35953: 
to=<root@xxxxxxxxxxxxxxxxxxxx>, relay=local, delay=9686, status=deferred 
(temporary failure. Command output: /root maildrop: Invalid home directory 
permissions - world writable. )

This is called from Postfix using 
    mailbox_command = maildrop


Now of course I checked all permissions of any home directory I could
think of (namely root's and the one of the user the mail is aliased
to), but they are not world writable.


What is Maildrop crying about? What am I missing?

What can I do to isolate the error?


tia,
Thorsten
-- 
The goal is to keep the bewildered herd bewildered. It's unnecessary for them to
trouble themselves with what's happening in the world. In fact, it's undesirable
- if they see too much of reality they may set themselves to change it.
    - Noam Chomsky

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