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
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