Migrate mailbox from NFS folder to new NFS folder

[Aki Tuomi]

> On 10/11/2020 17:59 Claudio Corvino <ccorvino at trustitalia.it> wrote:
> 
> 
> Hi everyone,
> I need to migrate many user mailboxes from an NFS folder to a new NFS folder, both mounted on the same Dovecot server (2.2.27).
> Once migrated, users will connect to a new Dovecot server (2.3.4.1).
> I would like to know how to use doveadm backup (or sync?) instead of rsync as I noted that after migration with rsync I have duplicates and some e-mails marked as unread.
> What is the correct way to achieve this?
> Thanks
> Cheers
>

https://wiki.dovecot.org/Migration/Dsync

Aki