Re: Migration murder from 3.2 to 3.10 (Debian 11 to 13) – problems with shared folders

Frank Richter <[email protected]> Tue, 5 May 2026 15:45:25 +0200
Newsgroups gmane.mail.imap.cyrus
Message-ID <[email protected]>
Quoting Jean Charles Del=C3=A9pine via Info:
>
> Quoting Frank Richter <[email protected]>:
>
>> How does other admins of a Cyrus murder handle this, is anyone using=20
>> shared folders? We use it a lot for group scenarios, such as mailboxes=20
>> for project, departments etc. So for us the "pinning" of all group=20
>> folders to only one backend server isn't optimal.
>>
>> Would it be reasonable to have a configuration option for the namespace=
=20
>> of shared mailboxes, so that for this name no mailbox will be created?
>
> imapd.conf options :
>
> =C2=A0 altnamespace: 1
> =C2=A0=C2=A0=C2=A0=C2=A0 Use the alternate IMAP namespace, where personal=
 folders reside at=20
> the same level in the hierarchy as INBOX.
>
> =C2=A0 sharedprefix: Shared Folders
> =C2=A0=C2=A0=C2=A0=C2=A0 If using the alternate IMAP namespace, the prefi=
x for the shared=20
> namespace.=C2=A0 The hierarchy delimiter will be automatically appended.
>
> I use altnamespace: 0 therfore my shared mbox are prefixed with "" :
>
> . NAMESPACE
> * NAMESPACE (("INBOX." ".")) (("user." ".")) (("" "."))=20

The same here.

> My folders are in INBOX.*
> Other users folders are in user.*
> Shared folders are all other folders.
>
> shared folders in my organisation are in general organised with '-', not =
'.'.=20

That would solve it indeed. I=E2=80=99ll check it if this change would fit =
to our needs.

Thanks!

--=20
Frank Richter, Chemnitz University of Technology, Germany


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