Re: Log in to user mailbox as admin

On 3/16/21 9:29 AM, Neil Price wrote:
> On 16/03/2021 2:35 pm, Nic Bernstein wrote:
>> So if I use this command I will connect to my own Inbox as the Admin 
>> user:
>>
>>     imtest -a admin -u nic imap.example.com
>>
> I gather there is no way of doing this from a generic client?
>
> imapsync seems to have some way of doing it but perhaps it detects and 
> uses cyrus specific code.
>

Neil,
If you're trying to access another user's mailboxes when logged in as 
administrator (or proxy) then you simply need to SELECT their mailbox 
once you're authenticated.  The actual reference to the other user's 
mailbox will depend on your namespace settings.  See this link for more 
details on namespaces:

    http://www.cyrusimap.org/imap/concepts/features/namespaces.html

In brief, if you have altnamespace enabled, then you'll find other 
user's mailboxes in the "Other Users" prefix.  For example, ``<tag> 
SELECT "Other Users/nic"``  If not, then they'll be behind the "user/" 
prefix, like so; ``<tag> SELECT "user/nic"``

If you're using Thunderbird, and have 'altnamespace' enabled, and you 
have the correct ACLs, then the "Other Users" collection should appear 
in your mailbox list, like in the subscription dialogue, and you can 
subscribe, select, etc.

BTW: You do need to be thoughtful about your ACLs.  By default the admin 
user doesn't have read access to other user's mailboxes; you have to 
specifically grant those.  Some clients, like RoundCube, have modules 
available to grant access (share this mailbox) but many do not.  So you 
probably will have to go into 'cyradm' and grant rights as needed.

Cheers,
     -nic

-- 
Nic Bernstein                               [email protected]
https://www.nicbernstein.com
https://www.linkedin.com/in/nic-b-26577a178/


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