shared/public mailbox application

[Tobias Kirchhofer]

Hi Michael,

we migrated from Cyrus Shared Folders to Dovecot Public Folder.

Our setup with Dovecot:

- Public Namespace type=public
- prefix=NAMESPACE
- location=maildir:/var/vmail/public/domain.com/folder:INDEXPVT=~/public/domain.com/NAME
- list=children to show NAMESPACE only if acl is given
- Restart Dovecot
- cd /var/vmail/public/domain.com/NAMESPACE
- mkdir .NAME
- We utilise one user doveadm at domain.com to control acl
- doveadm acl set -u doveadm at domain.com NAMESPACE/NAME user=doveadm at domain.com all (this creates also the Maildir)
- doveadm mailbox subscribe -u doveadm at domain.com NAMESPACE/NAME
- dm acl set -u doveadm at domain.com NAMESPACE/NAME user=firstname.lastname at domain.com
   lookup read write write-seen write-deleted insert post expunge

User firstname.lastname at domain.com can now subscribe to the public folder „NAMESPACE/NAME“.

With this base you could create a more specific setup which more precisely fits your need.

There are also other strategies achieving Shared Folders the Cyrus way. :)

Hope that helps.

Tobias

On 28 Nov 2016, at 15:38, Michael Fox wrote:

> No answer.  Trying again.  Surely someone with experience with public
> mailboxes can offer some insight on whether the application below should be
> a public or shared namespace ...
>
> Thanks
> Michael
>
>
> -----Original Message-----
> From: dovecot [mailto:dovecot-bounces at dovecot.org] On Behalf Of Michael Fox
> Sent: Thursday, November 24, 2016 11:53 AM
> To: Dovecot Mailing List <dovecot at dovecot.org>
> Subject: shared/public mailbox application
>
> I'm new to Dovecot and I need help configuring a shared or public mailbox -
> I'm not sure which is appropriate.  I've read the wiki and Peer's book and
> neither appears to cover what I'd like to do.  So I could use some specific
> help on how to configure a solution for the following:
>
>
>
> I'd like to create two real mailboxes, let's call them AAA and BBB.  Let's
> call the domain "mydomain".  By "real", I mean that users aaa at mydomain and
> bbb at mydomain can log into their own mailbox.
>
> Anyone user can send mail to them, just like any other address:
> aaa at mydomain or bbb at mydomain.
>
> I'd like all IMAP users in mydomain to be able to read the messages in those
> mailboxes.
>
> I'd like all POP users in mydomain to also see those messages.  (But I don't
> think I need help with the virtual part).
>
> I'd like only a few designated IMAP users to be able to delete the messages
> in those mailboxes, including dummy users AAA and BBB themselves.
>
> Ideally, I'd like them to appear in the client under a separate namespace
> from shared mailboxes.  Example:
>
>
>
> INBOX
>
> +--- the normal stuff.
>
> Shared
>
> +--- user1
>
> +--- user2
>
> Special
>
> +--- AAA
>
> +--- BBB
>
>
>
> My confusion:
>
> 1)      I don't know if this requires a shared namespace or a public
> namespace.  It "feels" like it's "public", since all users would have
> access.  But Peer's book and the wiki describe manually creating folders for
> public namespaces and controlling the contents with manual file
> manipulation, which leads me to believe that they can't be used for regular
> mail (although the book and the wiki never say one way or the other).   I
> don't want to manually control files.  I want to send mail to the mailbox
> and delete (see above) it with a client.
>
> 2)      There are several examples in Peer's book and the wiki, but none
> seem to match what I want.  (This is the problem with documentation that is
> predominantly example-based).  I guess I need more explanation of the
> mechanical differences between shared and public and why one would pick one
> over the other.
>
>
>
> Can someone help?  Please be as specific as you can.
>
>
>
> Thanks much,
>
> Michael


-- 
Tobias Kirchhofer
tobias at kirchhofer.net
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