Hi Thomas, it is a known problem: https://www.dovecot.org/pipermail/dovecot/2018-February/111057.html
Try the solution suggested in above mail; it works for me. Thanks, Marco On 2018-06-06 13:53, Thomas Robers wrote: > Hello, > > i have a dovecot server version 2.3.1 under CentOS 6.9 and we're > using shared mailboxes with index files shared. With this configuration > I can see a lot of error messages like: > > Jun 6 13:20:31 mail dovecot: Error: imap(us...@tutech.de)<4513> > <onjjWPdtDuLAqG3R>: /export/home/imap/us...@tutech.de/shared > /us...@tutech.de/folder/dovecot.index.pvt view is inconsistent > > In 10-mail.conf the location setting is: > > location = maildir:%%h/Maildir:INDEXPVT=%h/shared/%%u > > I thought setting the index files to "not shared" might help to > get rid of the errors, so I changed the setting to: > > location = maildir:%%h/Maildir:INDEX=%h/shared/%%u:INDEXPVT=%h > /shared/%%u > > like it's mentioned in the Dovecot wiki. But that doesn't work as > I expected, because the 'per-user-seen' flags do not work correctly > anymore, i think. If UserA, who has UserB as shared mailbox, > changes the seen flags of UserBs INBOX, UserBs seen flags are also > changed. The other way, if UserB changes seen flags in his INBOX > they are not changed in the shared view of UserA. Is this the > supposed way to work or do i have an error in the configuration? > > Any help is appreciated. > > Thanks, Thomas. > > Here's my currently used configuration: > > # 2.3.1 (c5a5c0c82): /etc/dovecot/dovecot.conf > # Pigeonhole version 0.5.devel (61b47828) > # OS: Linux 2.6.32-696.23.1.el6.x86_64 x86_64 CentOS release 6.9 (Final) > ext4 > # Hostname: mail.tutech.de > auth_master_user_separator = * > auth_mechanisms = plain login > auth_verbose = yes > disable_plaintext_auth = no > doveadm_password = # hidden, use -P to show it > doveadm_port = 12345 > imap_max_line_length = 2 M > mail_debug = yes > mail_location = maildir:/export/home/imap/%Lu/Maildir > mail_plugins = acl zlib mail_log notify > mail_prefetch_count = 1 > mailbox_idle_check_interval = 10 secs > 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 > namespace { > hidden = no > ignore_on_failure = no > inbox = no > list = children > location = maildir:%%h/Maildir:INDEXPVT=%h/shared/%%u > prefix = shared/%%u/ > separator = / > subscriptions = yes > type = shared > } > namespace inbox { > hidden = no > inbox = yes > list = yes > location = > mailbox Drafts { > special_use = \Drafts > } > mailbox Junk { > special_use = \Junk > } > mailbox Sent { > special_use = \Sent > } > mailbox "Sent Messages" { > special_use = \Sent > } > mailbox Trash { > special_use = \Trash > } > prefix = INBOX/ > separator = / > type = private > } > > passdb { > args = /etc/dovecot/master-users > driver = passwd-file > master = yes > } > passdb { > args = /etc/dovecot/dovecot-ldap.conf.ext > driver = ldap > } > plugin { > acl = vfile:/etc/dovecot/global-acls:cache_secs=300 > acl_shared_dict = file:/export/home/shared-db/shared-mailboxes > mail_log_events = append delete undelete expunge copy mailbox_delete > mailbox_rename flag_change > mail_log_fields = uid box msgid size from flags > mail_replica = tcp:mail2.tutech.de > sieve = ~/.dovecot.sieve > sieve_dir = ~/sieve > sieve_global = /var/lib/dovecot/sieve/global/ > sieve_user_log = ~/.dovecot.sieve.log > zlib_save = gz > zlib_save_level = 6 > } > protocols = imap pop3 lmtp sieve sieve > service aggregator { > fifo_listener replication-notify-fifo { > mode = 0666 > user = vmail > } > unix_listener replication-notify { > mode = 0666 > user = vmail > } > } > service auth { > unix_listener /var/spool/postfix/private/auth { > mode = 0666 > } > unix_listener auth-userdb { > group = vmail > mode = 0660 > user = vmail > } > } > service config { > unix_listener config { > user = vmail > } > } > service doveadm { > inet_listener { > port = 12345 > } > user = vmail > } > service imap-login { > inet_listener imaps { > port = 993 > ssl = yes > } > process_limit = 500 > process_min_avail = 20 > } > service imap { > executable = imap > } > service lmtp { > inet_listener lmtp { > address = 127.0.0.1 > port = 24 > } > } > service managesieve-login { > inet_listener sieve { > port = 4190 > } > inet_listener sieve_deprecated { > port = 2000 > } > } > service pop3-login { > inet_listener pop3s { > port = 995 > ssl = yes > } > } > service pop3 { > executable = pop3 > } > service replicator { > unix_listener replicator-doveadm { > mode = 0666 > } > } > ssl = required > ssl_cert = </etc/pki/dovecot/certs/mail.tutech.de.crt_chain > ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:!aNULL:!EXPORT > ssl_dh = # hidden, use -P to show it > ssl_key = # hidden, use -P to show it > syslog_facility = local6 > userdb { > args = /etc/dovecot/dovecot-ldap-userdb.conf.ext > driver = ldap > } > protocol lmtp { > mail_plugins = acl zlib mail_log notify sieve > } > protocol imap { > mail_max_userip_connections = 100 > mail_plugins = acl zlib mail_log notify imap_zlib imap_acl > rawlog_dir = /tmp/rawlog/%u > } >