Permissions with mailman

[Niklas Lemcke - 林樂寬]

Hi,

I'm running a Mailserver, and recently also a Mailinglist. 

I'm sporting
# dovecot --version
2.1.7
on a debian stable machine with postfix & mailman. Everything works
fine, except that no archive is being created (here an excerpt from my
log):


Jul  2 15:29:39 blade01 postfix/qmgr[5217]: B30BCE1F52:
from=<list at mail.myserver.com>, size=802, nrcpt=1 (queue active) 

Jul  2 15:29:39 blade01 dovecot: lda(list): Error: user list:
Initialization failed: Initializing mail storage from mail_location
setting failed: mkdir(/var/mail/vmail//list/mail) failed: Permission
denied (euid=38(list) egid=38(list) missing +w perm: /var/mail/vmail/,
we're not in group 5000(vmail), dir owned by 5000:5000 mode=0775) 

Jul  2 15:29:39 blade01 dovecot: lda(list): Fatal: Invalid user
settings. Refer to server log for more information. 

Jul  2 15:29:39 blade01 postfix/local[2778]: B30BCE1F52:
to=<list at mail.myserver.com>, orig_to=<list>, relay=local, delay=12578,
delays=12578/0.16/0/0.17, dsn=4.3.0, status=deferred (temporary failure)


Now since dovecot is running as user vmail (the other mail folders are 
all well managed and accessed by it, and all owned by vmail:vmail) I
thought it might be saying that the user list is not in group vmail.
Now:
$ groups list
list : list vmail
and the permissions are 775, but it's still complaining about "missing
+w perm". What is it referring to with "we're not in group 5000"?


Thanks for any help!

-- 
Niklas - 林樂寬
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