Re: copy shared folder to user inbox

Hi,

Quoting Adam Weremczuk <[email protected]>:

> Hi Michael,
>
> Thank you for the hints.
>
> I'll be migrating mailboxes to Fastmail Business through their web  
> GUI import tool.
>
> It works like a charm when I specify IMAP URL, port (993), username  
> and password.
>
> I've managed to move a shared folder (luckily a tiny test one) by:
>
> cyradm
> sam testfolder testuser lrswipkxte
>

you don't need all rights to "copy" the folder, only "lrs".
See https://datatracker.ietf.org/doc/html/rfc4314#section-2.1

> Then I logged in as testuser to Thunderbird, subscribed to that  
> folder and copied it to inbox.
>
> Despite selecting "copy" (not "move"), the folder was moved on our  
> Cyrus IMAP and now only exists in one user's inbox!
>
> Any idea how to copy rather than move?
>

If you remove "xte" from the acls thunderird will not be able to  
delete the shared folder
or the mails in that folder. So it only can copy the folder


> Is it even possible for Cyrus to make or hold identical copies?

yes cyrus can keep multiple copies of a mail, but (newer versions) will use a
hardlink on the filesystem if possible


>
> Regards,
> Adam
>
>
> On 03/02/2025 15:22, Michael Menge wrote:
>>
>> Quoting Adam Weremczuk <[email protected]>:
>>
>>> Hi all,
>>>
>>> I'm running an old postifx/cyrus stack (versions 2.9.6 / 2.4.16  
>>> respectively) on equally ancient Debian 7.
>>>
>>> I want to migrate accounts and folders away from that.
>>>
>>> Part of the task would be copying existing shared email folders to  
>>> a regular user's account.
>>>
>>> When I later sync that user's emails away via IMAPS import tool,  
>>> the folders with their content are ported as well.
>>>
>>> Copying seems safer and would be preferred vs moving / converting.
>>>
>>> Normally I use cyradm -> cm, lam, sam, dam etc. but can't see a  
>>> suitable command or an example for what I'm trying to achieve.
>>>
>> There is no cyradm command to copy a folder. There is only "renm"  
>> to rename/move a mailbox.
>> This command is safe as cyrus will use hardlinks if the source an  
>> destination are on the
>> same partition/filesystem, and will ensure that the transfer has  
>> been successful before
>> the source is removed
>>
>> To what Server are you migration to? And which "IMAPS import tools"  
>> do you mean.
>>
>> If the Desination is an IMAP Server, there are different Tools to  
>> migrate mails form
>> one server to another.  E.g.
>>
>> - IMAPSync https://github.com/imapsync/imapsync
>> - IMAPCopy https://github.com/layfellow/imapcopy
>>
>> AFAIK these tools should be able to handle Shared folders, so there  
>> might not be a
>> need to copy the shared folder beforehand. If you still need a copy  
>> of the mails you
>> could also use these tools to copy the shared folder to a user account.
>>
>> If the user has read access to the share folder you also could also  
>> use a Mail Client ore "IMAP commands" (e.g. with cyrus imtest), to  
>> copy the Mais
>>
>>   c1 CREATE "Copy of Shared Folders/ExampleA"
>>   c2 SELECT "Shared Folders/ExampleA"
>>   c3 UID COPY 0:* "Copy of Shared Folders/ExampleA"
>> Commands may require tweaking depending on the "altnamespace",
>> "unixhierarchysep" and "sharedprefix"
>> options in your imapd.conf
>>
>> Kind regards
>>
>>    Michael Menge
>>
>> --
>> --------------------------------------------------------------------------------
>> Michael Menge                          Tel.: (49) 7071 / 29-70316
>> Universität Tübingen                   Fax.: (49) 7071 / 29-5912
>> Zentrum für Datenverarbeitung          mail:
>> [email protected]
>> Wächterstraße 76
>> 72074 Tübingen
>>
>
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--
--------------------------------------------------------------------------------
Michael Menge                          Tel.: (49) 7071 / 29-70316
Universität Tübingen                   Fax.: (49) 7071 / 29-5912
Zentrum für Datenverarbeitung          mail:  
[email protected]
Wächterstraße 76
72074 Tübingen


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