Paul thx for your time and help!

After a long time of testing i noticed something... probably a small thing
for a dovecot expert...
The seen mails of the old server have a ",S" at the end of the filename.
The seen mails of the new server have a ",:2,S". If I rename the mails
before the import, they are also shown as seen after the import.

Old:
Maildir/cur/1686401814.M960194P17178.post,S=7095,W=7251%3A2,S

New:
Maildir/cur/1686401814.M960194P17178.post,S=7095,W=7251%3A2,:2,S

Is it possible to set an option at the old server, that new mails are
marked with ",:2,S" or at the new one. Or would a update of the old server
to a newer version help? The current version of the old server is "2.3.4.1"

Best regards
Thorsten

On Fri, Jun 9, 2023 at 1:31 PM Paul Kudla (SCOM.CA Internet Services Inc.) <
p...@scom.ca> wrote:

>
> ok i went through this and the best solution although it is a bit of work
>
> is imapsync
>
>
> imapsync --host1  --user1 --password1 \
>
> --host2 --user2 --password2 \
>
> --regextrans2 "s,\.,_,g"
>
> see : https://github.com/imapsync/imapsync
>
> note the reg parameter above deal with dot in mailboxes etc
>
> virtual mail requires a database of user data, i made a python script to
> step through all the account to sync to the new servers.
>
>
> It basically deals with the compatibility issues between servers.
>
>
>
>
> Happy Friday !!!
> Thanks - paul
>
> Paul Kudla
>
>
> Scom.ca Internet Services <http://www.scom.ca>
> 004-1009 Byron Street South
> Whitby, Ontario - Canada
> L1N 4S3
>
> Toronto 416.642.7266
> Main 1.866.411.7266
> Fax 1.888.892.7266
> Email p...@scom.ca
>
> On 2023-06-09 6:51 a.m., t Seeger wrote:
> > Thank you for the link, unfortunately I am missing the crucial clue. I
> > get the directories backed up, but I don't get them imported
> > properly.... all mails are displayed as unseen. i tried with simple
> > pasting and the doveadm import command. Is there a trick to preserve the
> > flags? Maybe it is because the old dovecot server uses short username
> > without the @ and the domain name and the new one uses the mail address
> > to identify the user.
> >
> > On Thu, Jun 8, 2023 at 3:26 PM aki.tuomi via dovecot
> > <dovecot@dovecot.org <mailto:dovecot@dovecot.org>> wrote:
> >
> >     Please see https://doc.dovecot.org/admin_manual/migrating_mailboxes/
> >     <https://doc.dovecot.org/admin_manual/migrating_mailboxes/>
> >
> >     Aki
> >
> >     -------- Original message --------
> >     From: tseeger...@gmail.com <mailto:tseeger...@gmail.com>
> >     Date: 6/8/23 16:10 (GMT+02:00)
> >     To: dovecot@dovecot.org <mailto:dovecot@dovecot.org>
> >     Subject: Migration dovecot server with local users to dovecot with
> >     virtual mailboxes
> >
> >     Hello,
> >     we are using a dovecot server with NIS, we want to transfer it to a
> >     new setup. As backend a mysql server will be used in the future.
> >     My problem is, if I just copy the maildir or use "doveadm import"
> >     all mails are flagged as "unseen". How can i preserve the flags?
> >
> >     This is how I have tried it so far.
> >     root@mail / $ doveadm import -s -u testuser@testdomain.local
> >     maildir:/tmp/testuser-maildir-230608/Maildir/:INDEX=MEMORY "" "All"
> >
> >     As a "workaround" I tried to change the flags.
> >     root@mail / $ doveadm -v flags add -u testuser@testdomain.local
> >     "Seen" "ALL"
> >     This led partially to the desired success, the mails are shown as
> >     "seen", but the folders (e.g. Roundcube) still show unread mails.
> >
> >     dovecot -n
> >     ############################################
> >     # 2.3.13 (89f716dc2): /etc/dovecot/dovecot.conf
> >     # Pigeonhole version 0.5.13 (cdd19fe3)
> >     # OS: Linux 5.10.0-23-cloud-amd64 x86_64 Debian 11.7
> >     # Hostname: mail.testdomain.local
> >     auth_mechanisms = plain login
> >     mail_fsync = always
> >     mail_gid = vmail
> >     mail_home = /var/vmail/mailboxes/%d/%n
> >     mail_location = maildir:~/mail:LAYOUT=fs:INDEX=MEMORY
> >     mail_privileged_group = vmail
> >     mail_uid = vmail
> >     managesieve_notify_capability = mailto
> >     managesieve_sieve_capability = fileinto reject envelope
> >     encoded-character vacation subaddress comparator-i;ascii-numeric
> >     relational regex imap4flags copy include variables body enotify
> >     environment mailbox date index ihave duplicate mime foreverypart
> >     extracttext imapsieve vnd.dovecot.imapsieve
> >     mmap_disable = yes
> >     namespace inbox {
> >        inbox = yes
> >        location =
> >        mailbox Drafts {
> >          auto = subscribe
> >          special_use = \Drafts
> >        }
> >        mailbox Sent {
> >          auto = subscribe
> >          special_use = \Sent
> >        }
> >        mailbox Spam {
> >          auto = subscribe
> >          special_use = \Junk
> >        }
> >        mailbox Trash {
> >          auto = subscribe
> >          special_use = \Trash
> >        }
> >        prefix =
> >     }
> >     passdb {
> >        args = /etc/dovecot/dovecot-sql.conf
> >        driver = sql
> >     }
> >     plugin {
> >        imapsieve_mailbox1_before =
> >     file:/var/vmail/sieve/global/learn-spam.sieve
> >        imapsieve_mailbox1_causes = COPY
> >        imapsieve_mailbox1_name = Spam
> >        imapsieve_mailbox2_before =
> >     file:/var/vmail/sieve/global/learn-ham.sieve
> >        imapsieve_mailbox2_causes = COPY
> >        imapsieve_mailbox2_from = Spam
> >        imapsieve_mailbox2_name = *
> >        quota = maildir:User quota
> >        quota_exceeded_message = User %u has exhausted allowed storage
> space.
> >        sieve =
> >
>  
> file:/var/vmail/sieve/%d/%n/scripts;active=/var/vmail/sieve/%d/%n/active-script.sieve
> >        sieve_before = /var/vmail/sieve/global/spam-global.sieve
> >        sieve_global_extensions = +vnd.dovecot.pipe
> >        sieve_pipe_bin_dir = /usr/bin
> >        sieve_plugins = sieve_imapsieve sieve_extprograms
> >     }
> >     protocols = imap lmtp sieve
> >     service auth {
> >        unix_listener /var/spool/postfix/private/auth {
> >          group = postfix
> >          mode = 0660
> >          user = postfix
> >        }
> >        unix_listener auth-userdb {
> >          group = vmail
> >          mode = 0660
> >          user = vmail
> >        }
> >     }
> >     service imap-login {
> >        inet_listener imap {
> >          port = 143
> >        }
> >        process_min_avail = 1
> >        service_count = 1
> >     }
> >     service lmtp {
> >        unix_listener /var/spool/postfix/private/dovecot-lmtp {
> >          group = postfix
> >          mode = 0660
> >          user = postfix
> >        }
> >        user = vmail
> >     }
> >     service managesieve-login {
> >        inet_listener sieve {
> >          port = 4190
> >        }
> >     }
> >     ssl = required
> >     ssl_ca = </etc/dovecot/private/ca-testdomain.local_tls_srv_crt.crt
> >     ssl_cert =
> </etc/dovecot/private/mail.testdomain.local_tls_srv_crt.crt
> >     ssl_cipher_list =
> >
>  
> ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
> >     ssl_dh = # hidden, use -P to show it
> >     ssl_key = # hidden, use -P to show it
> >     ssl_min_protocol = TLSv1.2
> >     userdb {
> >        args = /etc/dovecot/dovecot-sql.conf
> >        driver = sql
> >     }
> >     protocol imap {
> >        imap_idle_notify_interval = 29 mins
> >        mail_max_userip_connections = 20
> >        mail_plugins = " quota imap_quota imap_sieve"
> >     }
> >     protocol lmtp {
> >        mail_plugins = " sieve notify push_notification quota"
> >        postmaster_address = postmaster@testdomain.local
> >     }
> >     ############################################
> >
> >     Thanks for your help
> >     _______________________________________________
> >     dovecot mailing list -- dovecot@dovecot.org <mailto:
> dovecot@dovecot.org>
> >     To unsubscribe send an email to dovecot-le...@dovecot.org
> >     <mailto:dovecot-le...@dovecot.org>
> >     _______________________________________________
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> dovecot@dovecot.org>
> >     To unsubscribe send an email to dovecot-le...@dovecot.org
> >     <mailto:dovecot-le...@dovecot.org>
> >
> >
> > --
> > This message has been scanned for viruses and
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> is
> > believed to be clean.
> >
> > _______________________________________________
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