[Dovecot] Acl, Namespace, User Confusion

Timo Sirainen tss at iki.fi
Wed Aug 16 16:57:22 EEST 2006

On Tue, 2006-08-15 at 00:12 -0400, Jim Horner wrote:
> and a dovecot-acl file
> owner
> user=jdoe at arinbe.com lrwstiekxa
> user=jsmith at arinbe.com lrwstiekxa
> user=jdoe rwstiekxa
> user=jsmith lrwstiekxa
> I am not exactly sure what username to use. All users are in LDAP. 

Most likely jdoe at arinbe.com, assuming the username doesn't get changed

> The "cmpymail" group shows
> # getent group
> cmpymail:*:5555:jdoe,jsmith

This is the problem. Since your users come from LDAP, Dovecot never even
reads the /etc/group. There are a couple of ways to handle this:

1) Make LDAP return jdoe's and jsmith's default GID as cmpymail instead
of whatever they now return (users?).

2) Make LDAP return system_user. That makes Dovecot get the groups for
that user. So something like:

pass_attrs = uid=user,uid=system_user,userPassword=password

Although if your uid is in user at domain format, then you'll need to use
the user at domain format in /etc/group also. Or alternatively use some
other field from LDAP which has only the user.

Some day in future I might get rid of the system_user though and instead
make it possible to return multiple GIDs from LDAP (and SQL and others).
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