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To answer my own question:
I completely misunderstood the purpose of the system_groups_user variable. I
thought it would return a list of groups the user belongs to dovecot on login.
Instead I find it's simply the user for whom dovecot will query group
membership on demand. Seems a bit crazy not to default that value to the logged
in user. Maybe someone will tell me why that is not the case.
At any rate setting that value for an ldap set up in debian wheezy is actually
fairly easy after all
I added uid=system_groups_user to the user_attrs variable in
/etc/dovecot/dovecot-ldap.conf.ext.
Like so.
user_attrs =
homeDirectory=home,uidNumber=uid,gidNumber=gid,uid=system_groups_user
From: ray klassen <julius_ahenobar...@yahoo.co.uk>
To: "dovecot@dovecot.org" <dovecot@dovecot.org>
Sent: Friday, 2 August 2013, 9:36
Subject: [Dovecot] system_groups_user syntax especially in LDAP
so if possible, I'd like an example of how to include system_groups_user in the
userdb setup.
I'm using ldap, but I could revert to using pam on ldap.
There is a ldap query (gleaned from smbldap-tools) that will return a list of
groups for a user
(&(objectclass=posixGroup)(memberuid=%u)) but I don't know if the ldap driver
will handle it but above all I can't figure out how it fits into the dovecot
configuration!
I'm trying to get Dovecot 2.1.7 on debian wheezy to recognize shared folders
that have group ownership.
