Re: Migrate Dovecot 2.0.16 (mbox) to Dovecot 2.3.16 (MaiDir) and preserve POP UIDs

2024-01-20 Thread Aki Tuomi via dovecot 
 
 On 20/01/2024 21:25 EET Barbara M.  wrote:
  
  
 Already done a first migration using imapsync
 Good result, but there is the POP3 UIDs problem.
 Searching online give a
 Tried to understand the instructions on:
 https://doc.dovecot.org/settings/plugin/pop3-migration-plugin/?
  
 with limited comprension results (the link in the page is to the old
 wiki).
 Searching online give more confusion ...
  
 I am obviouly interested to resync the INBOX with somethig that give
 to
 clients the old UIDs so they don't re-download all messages in the
 inbox
 as duplicates into their mailbox.
  
 I suppose I can do:
  
 doveadm -v expunge -u  mailbox INBOX all
 rm dovecot* in the Maildir folder
 doveadm force-resync -u  INBOX
  
 then use dsync to migrate the INBOX
  
 Here I need some hints to how setup it and wich syntax use.
  
  
 If useful I can copy or mount the /var/mail/ folder of the old server
 that
 contains the users INBOX to the new server.
  
 Thanks, B
 
Hi!
 
Please see https://doc.dovecot.org/admin_manual/migrating_mailboxes/
for instructions.
 
Aki
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Re: Migrate Dovecot 2.0.16 (mbox) to Dovecot 2.3.16 (MaiDir) and preserve POP UIDs

2024-01-20 Thread Joseph Tam 
From: "Barbara M." 

> I am obviouly interested to resync the INBOX with somethig that give to
> clients the old UIDs so they don't re-download all messages in the inbox
> as duplicates into their mailbox.

When I mitigated away from qpopper, I configured

protocol pop3 {
...
pop3_reuse_xuidl = yes
}

Maybe that's of use to you?

Joseph Tam 
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Migrate Dovecot 2.0.16 (mbox) to Dovecot 2.3.16 (MaiDir) and preserve POP UIDs

2024-01-20 Thread Barbara M. 



Already done a first migration using imapsync
Good result, but there is the POP3 UIDs problem.
Searching online give a
Tried to understand the instructions on:
https://doc.dovecot.org/settings/plugin/pop3-migration-plugin/?

with limited comprension results (the link in the page is to the old 
wiki).

Searching online give more confusion ...

I am obviouly interested to resync the INBOX with somethig that give to 
clients the old UIDs so they don't re-download all messages in the inbox 
as duplicates into their mailbox.


I suppose I can do:

doveadm -v expunge -u  mailbox INBOX all
rm dovecot*   in the Maildir folder
doveadm force-resync -u  INBOX

then use dsync to migrate the INBOX

Here I need some hints to how setup it and wich syntax use.


If useful I can copy or mount the /var/mail/ folder of the old server that 
contains the users INBOX to the new server.


Thanks, B.



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