Create a separated mailbox for archived mails

[Sami Ketola]

Hi,

You should be able to configure something like this:

namespace archive {
	disabled = no
	hidden = no
	list = yes
	prefix = ARCHIVE/
	location = sdbox:/archive/location/%u
}

Sami

> On 20. Oct 2021, at 16.16, Claudio Corvino <ccorvino at trustitalia.it <mailto:ccorvino at trustitalia.it>> wrote:
> 
> Hi Marc,
> 
> thanks for replying, I would like to archive e-mail older than 5 years on a second storage, it seems like the namespace with a new mail_location that you suggested could be good for me, but then I will need the auto-archiving script that move mails older than 5 years to the archive namespace.
> 
> A question: how can I configure client like Thunderbird to access that archive namespace so that users can still access their old mails?
> 
> Please could you give me some suggestion on how to do that?
> 
> Thanks for your time!
> 
> Regards
> 
> On 17/10/21 12:06, Marc wrote:
>> I am not really sure what you are trying to realize with this ldap modification. But afaik you have just one mail_location= configuration per user and that is it. If you want to archive email on 2nd storage you can either use this ALT= storage location or create a namespace, and configure this namespace with a new mail_location. The latter I have done indeed as archive, and after every first quarter I am running an auto-archiving script that moves emails from the usual inbox and send folders to the archive namespace.
>> 
>> 
>> 
>>> I have an MTA configured with Postfix that deliver email to an IMAP/LMTP
>>> Dovecot server version 2.3.4.1 configured to bind LDAP/AD for users.
>>> 
>>> I would like to configure Dovecot to create another mailbox to archive
>>> mails of users to a separated NFS mount.
>>> 
>>> Here is my dovecot-ldap.conf:
>>> 
>>> [...]
>>> 
>>> ldap_version=3
>>> auth_bind = yes
>>> dn = XXX
>>> dnpass = XXX
>>> scope = subtree
>>> user_attrs = sAMAccountName=home=/mnt/mail-storage-
>>> dev/%$,=uid=501,=gid=501
>>> pass_attrs = sAMAccountName=user
>>> user_filter = (&(objectclass=person)(samaccountname=%n))
>>> pass_filter= (&(objectclass=person)(samaccountname=%n))
>>> 
>>> 
>>> [...]
>>> 
>>> 
>>> I think I will add another conf file, let's say dovecot-ldap-
>>> archive.conf using "url" as LDAP/AD filed to distinguish from normal
>>> users:
>>> 
>>> [...]
>>> 
>>> ldap_version=3
>>> auth_bind = yes
>>> dn = XXX
>>> dnpass = XXX
>>> scope = subtree
>>> user_attrs = url=home=/mnt/mail-storage-archive/%$,=uid=501,=gid=501
>>> pass_attrs = url=user
>>> user_filter = (&(objectclass=person)(url=%n))
>>> pass_filter= (&(objectclass=person)(url=%n))
>>> 
>>> 
>>> [...]
>>> 
>>> I then added to "test" user a "url" filed into Active Directory named
>>> test-archive, but it's not working, when I bind Dovecot with:
>>> 
>>> doveadm user test-archive
>>> 
>>> I receive:
>>> 
>>> field    value
>>> userdb lookup: user test-archive doesn't exist
>>> 
>>> 
>>> With test user it works:
>>> 
>>> doveadm user test
>>> field    value
>>> uid    501
>>> gid    501
>>> home    /mnt/mail-storage-dev/test
>>> mail    maildir:~/Maildir:INDEX=/var/indexes/test
>>> 
>>> 
>>> What I'm doing wrong?
>>> 
>>> 
>>> Thanks in advance!
>>> 
>>> 
>>> --
>>> 
>>> 
>>> Claudio Corvino
>>> IT Systems Administrator

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