Re: postfix/dovecot migration

Aki Tuomi via dovecot <[email protected]> Wed, 13 May 2026 20:41:38 +0300 (EEST)
Newsgroups gmane.mail.imap.dovecot
Message-ID <1021378410.6974.1778694098115@appsuite-pro-sync-core-mw-groupware-1.appsuite-pro-sync-core-mw-hazelcast-headless.appsuite-dev.svc.cluster.local>
> On 13/05/2026 20:31 EEST Bryan Simmons via dovecot <[email protected]> wrote:
> 
>  
> Moving postfix and dovecot to a new server including all current users 
> and emails.  There exists several dovecot files in each user mail directory:
> 
> dovecot.index
> dovecot.index.cache
> dovecot.index.log
> dovecot-keywords
> dovecot.list.index.log
> dovecot.mailbox.log
> dovecot-uidlist
> dovecot-uidvalidity
> dovecot-uidvalidity.612d3d34
> 
> Should these files be migrated also or will dovecot recreate them as needed?
> 
> Thank you, Bryan
> 

https://doc.dovecot.org/2.4.4/core/admin/migration.html#migrating-mailboxes

I would recommend seeing this. Depending on your mailbox format, it can be important that those files are copied, but I would suggest doveadm/imap based migration.

Aki

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