Please see https://doc.dovecot.org/admin_manual/migrating_mailboxes/Aki
-------- Original message --------From: tseeger...@gmail.com Date: 6/8/23
16:10 (GMT+02:00) To: 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.localauth_mechanisms = plain loginmail_fsync = alwaysmail_gid =
vmailmail_home = /var/vmail/mailboxes/%d/%nmail_location =
maildir:~/mail:LAYOUT=fs:INDEX=MEMORYmail_privileged_group = vmailmail_uid =
vmailmanagesieve_notify_capability = mailtomanagesieve_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.imapsievemmap_disable = yesnamespace 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
sieveservice 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 =
requiredssl_ca =
</etc/dovecot/private/ca-testdomain.local_tls_srv_crt.crtssl_cert =
</etc/dovecot/private/mail.testdomain.local_tls_srv_crt.crtssl_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-SHA384ssl_dh
= # hidden, use -P to show itssl_key = # hidden, use -P to show
itssl_min_protocol = TLSv1.2userdb { 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
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