[Dovecot] ACL Groups

[Willie Gillespie]

On 6/14/2011 2:18 PM, Daniel L. Miller wrote:
>  From the wiki:
>
> ACL groups support works by returning a comma-separated acl_groups extra
> field <http://wiki2.dovecot.org/UserDatabase/ExtraFields> from userdb,
> which contains all the groups the user belongs to. User's UNIX groups
> have no effect on ACLs (you can "enable" them by using a special
> post-login script <http://wiki2.dovecot.org/PostLoginScripting>).
>
>
> I've read that over several times - I still don't understand that. Are
> "ACL Groups" defined and managed by Dovecot - and described somewhere
> else in the docs - or are they UNIX groups that previously had no affect
> on mail access but by being listed in the "acl_groups" field they now
> have relevance?

That is a bit confusing.  What it is trying to say:
For one, you have acl_groups.
For two, you have UNIX groups.
They are not related at all.
If you want them to be related, you can use a special post-login script.