Hi!
This seems to be a bug in imapc client, we'll look into this. Thank you for
reporting this issue. It's currently tracked as DOV-5579.
Aki
> On 07/10/2022 15:38 EEST Nikolaos Pyrgiotis <npyrgio...@modulus.gr> wrote:
>
>
> Hello,
>
> I want to make a correction on my first post. We are using version 2.3.19.1
> for all our dovecot servers. Is there any update regarding this issue? I
> would be happy to provide more details if necessary.
>
> Best Regards,
> Nikos Pyrgiotis
>
> On 8/9/22 17:47, Nikolaos Pyrgiotis wrote:
>
> > Hello,
> > We recently migrated our mail server to a dovecot cluster of5nodes, a
> > dovecot proxy,2directors and2dovecot backends.
> > All dovecot nodes run version2.19.1. We use a glusterfs mounted volume on
> > the backendsforthe mail storage.
> > We noticed that when issuing the IMAP command to checkforUNSEEN
> > messagesformails on the shared namespace instead of seeing the value of the
> > unseen messages of the user that the mailbox has been shared to,
> > the value of the unseen messages of the owner of the mailbox is returned.
> > This behavior causes thunderbird when getting new messagesforshared
> > mailboxes, to show briefly all messages of the mailbox as unseenforthe user
> > before showing the correct unseen countforthe shared mailbox.
> > The mail location of the shared mailboxes is defined with imapc storage
> > type as describedinthe documentation.
> > Is this a dovecot bug? Can we configure a different dovecot configuration
> > setting so that imap status command reports the correct unseen field count
> > when mail location is an imapc storage location?
> >
> > An examples is given below when running doveadm command from one the 2
> > dovecot directors:
> > When issuing the status command we see that the unseen count is2:
> > root@doved0-rmt0-cn1:/etc/cron.d# doveadm mailbox status -u npyrgiotis all
> > shared.sysadmins doveadm(npyrgiotis): Info: remote(10.101.0.71:8080):
> > doveadm(npyrgio...@domie02.com)<19078><9l8IJTb+GWOGSgAAEU9A+w>:
> > imapc(10.101.0.75:143): Connected to 10.101.0.75:143 (local
> > 10.101.0.71:33476) shared.sysadmins messages=2 recent=0 uidnext=3
> > uidvalidity=1662640492 unseen=2 highestmodseq=3 vsize=3950
> > guid=c92f64f79f0d1ed01e6d5b314f04886c firstsaved=1662643853
> > shared.sysadmins
> > messages=2recent=0uidnext=3uidvalidity=1662640492unseen=2highestmodseq=3vsize=3950guid=c92f64f79f0d1ed01e6d5b314f04886c
> > firstsaved=1662643853
> >
> > But when fetching the emails of the mailboxes we can see that the \Seen
> > flag is set for both emails
> >
> > root@doved0-rmt0-cn1:/etc/cron.d# doveadm fetch -u npyrgiotis flags mailbox
> > shared.sysadmins ALL doveadm(npyrgiotis): Info: remote(10.101.0.71:8080):
> > doveadm(npyrgio...@domie02.com)<19074><e7rWDgj+GWOCSgAAEU9A+w>:
> > imapc(10.101.0.75:143): Connected to 10.101.0.75:143 (local
> > 10.101.0.71:38750) flags: \Seen flags: \Seen
> > Below i post the dovecot configuration of one of the two dovecot backends:
> > #2.3.19.1 (9b53102964): /etc/dovecot/dovecot.conf
> > # Pigeonhole version0.5.19 (4eae2f79)
> > # OS: Linux5.10.0-17-amd64 x86_64 Debian11.4
> > # Hostname: doveb0-rmt0-cn1
> > auth_cache_negative_ttl =5mins
> > auth_cache_size =50M
> > auth_debug = yes
> > auth_default_realm = example.com
> > auth_master_user_separator = *
> > auth_mechanisms = plain login
> > auth_verbose = yes
> > auth_worker_max_count =16
> > disable_plaintext_auth = no
> > first_valid_uid =499
> > hostname = smtp.example.com
> > imapc_features = fetch-bodystructure fetch-headers rfc822.size search
> > modseq acl delay-login
> > imapc_host =10.101.0.75
> > imapc_password = # hidden, use -P to show it
> > imapc_sasl_mechanisms = plain login
> > imapc_ssl = starttls
> > imapc_ssl_verify = no
> > last_valid_uid =499
> > lda_mailbox_autocreate = yes
> > lda_mailbox_autosubscribe = yes
> > login_greeting = You have successfully loggedinto example.com IMAP server
> > login_trusted_networks =10.101.0.7310.101.0.74
> > mail_always_cache_fields = flags hdr.* date.received date.sent
> > mail_cache_fields = flags date.received guid size.physical size.virtual
> > imap.bodystructure body.snippet
> > mail_debug = yes
> > mail_fsync = always
> > mail_plugins =" notify mail_log zlib acl"
> > mail_privileged_group = mail
> > 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
> > mdbox_rotate_size =200M
> > mmap_disable = yes
> > namespace example {
> > list = children
> > location = imapc:~/shared/%%n:INDEXPVT=~/shared-pvt/%%n
> > prefix = shared.%%n.
> > separator = .
> > subscriptions = no
> > type = shared
> > }
> > namespace inbox {
> > inbox = yes
> > location =
> > mailbox Drafts {
> > special_use = \Drafts
> > }
> > mailbox Junk {
> > special_use = \Junk
> > }
> > mailbox Sent {
> > special_use = \Sent
> > }
> > mailbox"Sent Messages"{
> > special_use = \Sent
> > }
> > mailbox Spam.Virus {
> > auto = subscribe
> > }
> > mailbox Spam {
> > auto = subscribe
> > }
> > mailbox Trash {
> > special_use = \Trash
> > }
> > prefix =
> > separator = .
> > subscriptions = yes
> > type = private
> > }
> > passdb {
> > args = password=#hidden_use-P_to_show#
> > driver = static
> > master = yes
> > override_fields = allow_real_nets=127.0.0.0/8,local,10.101.0.73,10.101.0.74
> > userdb_acl_user=%{auth_user} userdb_namespace/example/disabled=yes
> > result_success = continue
> > }
> > passdb {
> > args = password=#hidden_use-P_to_show#
> > driver = static
> > override_fields = allow_real_nets=127.0.0.0/8,local,10.101.0.73,10.101.0.74
> > result_success = continue
> > }
> > passdb {
> > args = /etc/dovecot/dovecot-ldap-users.conf.ext
> > driver = ldap
> > }
> > passdb {
> > args = /etc/dovecot/dovecot-ldap-groups.conf.ext
> > driver = ldap
> > }
> > plugin {
> > acl = vfile:/etc/dovecot/global-acls/%d/master-dovecot-acl:cache_secs=300
> > acl_defaults_from_inbox = yes
> > acl_globals_only = no
> > acl_shared_dict = file:/var/dovecot-acl/%d/shared-mailboxes.db
> > imap_compress_deflate_level =6
> > mail_log_events = flag_change
> > mail_log_fields = uid box flags
> > sieve = file:~/sieve;active=~/sieve/%n.sieve
> > sieve_before = /var/vmail/global-sieve/global.sieve
> > sieve_env_email_address = %u
> > sieve_env_mailbox_prefix = %{userdb:mailbox_prefix}
> > sieve_global = /var/vmail/sieve
> > sieve_global_extensions = +editheader +vnd.dovecot.environment
> > zlib_save = zstd
> > zlib_save_level =5
> > }
> > protocols =" imap lmtp sieve submission"
> > service auth-worker {
> > user = dovecot
> > }
> > service auth {
> > unix_listener auth-userdb {
> > group = mail
> > mode =0666
> > user = vmail
> > }
> > }
> > service doveadm {
> > inet_listener dovadm-dom-mgmt {
> > address =10.100.1.71
> > port =8080
> > ssl = no
> > }
> > inet_listener dovadm-dom {
> > address =10.101.0.71
> > port =8080
> > ssl = no
> > }
> > vsz_limit =256M
> > }
> > service imap-login {
> > inet_listener imap-dom {
> > address =10.101.0.71
> > port =143
> > ssl = no
> > }
> > inet_listener imap {
> > port =0
> > }
> > inet_listener imaps-dom {
> > address =10.101.0.71
> > port =993
> > ssl = yes
> > }
> > inet_listener imaps {
> > port =0
> > }
> > process_limit =400
> > process_min_avail =2
> > service_count =20
> > vsz_limit =512M
> > }
> > service imap {
> > process_limit =2048
> > process_min_avail =0
> > service_count =1
> > vsz_limit =4G
> > }
> > service lmtp {
> > inet_listener lmtp-dom {
> > address =10.101.0.71
> > port =24
> > ssl = no
> > }
> > process_limit =0
> > process_min_avail =0
> > service_count =0
> > unix_listener lmtp {
> > mode =0666
> > }
> > vsz_limit =256M
> > }
> > service managesieve-login {
> > inet_listener sieve-dom {
> > address =10.101.0.71
> > port =4190
> > ssl = no
> > }
> > inet_listener sieve {
> > port =0
> > }
> > process_limit =0
> > process_min_avail =0
> > service_count =0
> > vsz_limit =64M
> > }
> > service managesieve {
> > process_limit =1024
> > process_min_avail =0
> > service_count =1
> > vsz_limit =256M
> > }
> > service submission-login {
> > inet_listener submission-dom {
> > address =10.101.0.71
> > port =587
> > ssl = no
> > }
> > inet_listener submission {
> > port =0
> > }
> > inet_listener submissions-dom {
> > address =10.101.0.71
> > port =465
> > ssl = yes
> > }
> > process_limit =250
> > process_min_avail =2
> > service_count =1
> > vsz_limit =256M
> > }
> > service submission {
> > process_limit =1024
> > process_min_avail =0
> > service_count =1
> > vsz_limit =256M
> > }
> > ssl = required
> > ssl_cert = </etc/ssl/certs/doveb0-rmt0-cn1.mail.rmt.example.com.pem
> > ssl_client_ca_dir = /etc/ssl/certs
> > ssl_key = # hidden, use -P to show it
> > submission_max_mail_size =30000k
> > submission_relay_host =10.101.0.7
> > submission_relay_port =587
> > submission_relay_ssl = starttls
> > submission_relay_ssl_verify = no
> > submission_relay_trusted = yes
> > userdb {
> > driver = prefetch
> > }
> > userdb {
> > args = /etc/dovecot/dovecot-ldap-users.conf.ext
> > driver = ldap
> > }
> > userdb {
> > args = /etc/dovecot/dovecot-ldap-groups.conf.ext
> > driver = ldap
> > }
> > protocol lmtp {
> > mail_plugins =" notify mail_log zlib acl sieve acl"
> > }
> > protocol lda {
> > mail_plugins =" notify mail_log zlib acl sieve acl"
> > }
> > protocol imap {
> > mail_max_userip_connections =100
> > mail_plugins =" notify mail_log zlib acl"
> > }
> > protocol sieve {
> > mail_max_userip_connections =40
> > }
> > protocol submission {
> > mail_max_userip_connections =70
> > }
> > local10.101.0.71 {
> > doveadm_allowed_commands =
> > doveadm_password = # hidden, use -P to show it
> > }
> > local10.100.1.71 {
> > doveadm_allowed_commands =
> > doveadm_password = # hidden, use -P to show it
> > }
> > Thank you,
> > Nikolaos Pyrgiotis
