[Dovecot] Shared mailboxes basics

[Steffen Kaiser]

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On Mon, 22 Mar 2010, Thomas Hummel wrote:

> On Mon, Mar 22, 2010 at 02:47:45PM +0200, Timo Sirainen wrote:
>
>>> Do you mean your maildirs are all in 0770 <user> doveshared ? But it still
>>> gives too much permission in general...Especially if your users can access
>>> their mailboxes outside of IMAP (NFS, CIFS, ...). How do you deal with that ?
>>
>> You don't need to put all users into doveshared group. You just need to
>> set mail_extra_groups=doveshared, so only Dovecot processes have such
>> extra access.
>
> You lost me again : what's the use of the userdb " acl_groups" extra-field then ?

acl_groups is for the logical "ACL"s in Dovecot and is just a name, it 
relates to nothing in the Unix world.

mail_extra_groups= is an Unix group, the Dovecot processes gets as 
secondary group.

Regards,

- -- 
Steffen Kaiser
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