Movement to Carbonio CE

A Carbonio CE migration technique enables the import of configurations and data from an existing infrastructure that is going to be retired or decommissioned into a Carbonio CE-based mail server architecture.

Because the procedures needed to extract configuration and data from the Source infrastructure might differ greatly, this section does not go into detail on how to do so.

A high-level overview of the second step of such a process—importing an existing mail server architecture into Carbonio CE—is covered in this section. In fact, we think it’s important to concentrate on a few important aspects of the import process and that it’s important to recognise the work it takes to successfully complete a whole export/import cycle.

We categorise the import process into two categories:

The numerous processes involved in the import process should go without a hitch because Open Source technologies are used. We must first clarify a few terms before moving on to this.
Definitions
To prevent misconceptions, let’s define a few terminology before we start the debate.

Source
The mail server to depart from is the Source infrastructure (Source), which at the start of the process comprises everything. It is vital to emphasise that the Source (which may be any programme) is not taken into consideration in any way by the method and that it is just required to extract data from it.

Destination The Carbonio CE installation to which you wish to relocate your current mail server is known as the Destination infrastructure (Destination).

Procedure
A series of steps known as the Procedure will direct you as you import all of your data to the Destination. Although it is believed that all of the data has already been exported before you start the Procedure, access to the CLI of both the Source and Destination is still required.

Provisioning
The set of all information and metadata about the Domains, accounts, COSes, and mailing lists that exist on the Source before to the beginning of the Procedure is referred to as provisioning.

Emails on the Source that are already existing before the Proc begins are referred to as Data.
Import Technique
There are two stages to the Procedure. Phase one is for preparation, making sure you have all the components you need to begin the import; phase two is for carrying out all of the imports on the destination.

Phase One: Checklist of Requirements
The list of prerequisites that must be met is as follows:
Depending on the Source, different tools may be required to get these files.

Import to Destination in Phase Two
The actual execution of the Procedure takes place in this step. The necessary orders are being refined, and the best instruments to do the tasks are being selected.

The instructions in the following sections serve simply as samples of how to load data onto a Carbonio CE infrastructure. You are free to select any alternative strategy or device.

As soon as more details and instructions are available, they will be published and linked here.
Accounts and Domains Provisioning
The domain and account structures for example.com and acme.corp are kept in the files /opt/zextras/backup/example.com.ldif and /opt/zextras/backup/acme.corp.ldif, respectively, on the LDAP Node. Use the slapadd command to import them:
Bringing in emails
Using the IMAP protocol is the most practical and accepted method of reading from the Source and writing to the Destination. For this reason, we advise using imapsync as the IMAP conversion tool.
We’ll presume that you’ve previously acquired the login information for an account that has access to every account on the Source, and that you’ve already set up a Global Administrator account that will only be used for imports.
Replace all values written in ALL_CAPS in the following command, which must be run on the Node hosting Carbonio Mails and Calendar, with matching values appropriate for your infrastructure.
ICS Calendars Import
We presume that all users’ calendar files have been exported and stored in the /opt/zextras/backup/ directory of the Carbonio Mails & Calendar Node in ICS Format, for example, /opt/zextras/backup/user1@example.com.ics, /opt/zextras/backup/user1@acme.corp.ics, and so on.

The command listed below may be used to import them into Carbonio CE:
CSV Contacts Import
We presume that all users’ calendar files have been exported and stored in the /opt/zextras/backup/ directory of the Carbonio Mails & Calendar Node in CSV Format, for example, /opt/zextras/backup/user1@example.com.csv, /opt/zextras/backup/user1@acme.corp.csv, and so on.

You may import them into Carbonio by executing the below command.
Restrictions on the Process
In fact, the procedure migrates:
  • Domains
  • COSes
  • Accounts
  • Messages sent and received by email
  • private file cabinets
  • Public folders
  • Distribution and mailing lists
  • Signatures
  • Calendars
  • Contacts
Additional components that are not a part of a Carbonio installation won’t be moved.

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