Hi,

I'm tryng to setup Shared Mailboxes in Dovecot (2.3.14) Cluster as explained here:

https://doc.dovecot.org/configuration_manual/shared_mailboxes/cluster_setup/

but I'm not happy:

# doveadm acl debug -u te...@emailtest.net shared/test2/Sent

doveadm(te...@emailtest.net): Info: imapc(10.0.0.202:143): Connected to 10.0.0.202:143 (local 10.0.0.203:58054) doveadm(te...@emailtest.net): Info: imapc(10.0.0.202:143): Connected to 10.0.0.202:143 (local 10.0.0.203:58056) doveadm(te...@emailtest.net): Error: imapc(10.0.0.202:143): Authentication failed: [AUTHENTICATIONFAILED] Authentication failed. doveadm(te...@emailtest.net): Error: Can't open mailbox shared/test2/Sent: Authentication failed: [AUTHENTICATIONFAILED] Authentication failed.

ACL, master-user, master-password works fine because with regular configuration shared folders works fine and also with master-user or with master-password I can login and see and access to shared/ namespace and shared folders.

But when I try to switch location from

location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u

to

location = imapc:~/Maildir/shared/%%u/
[...]
imapc_host = 10.0.0.202
imapc_master_user = %u
#imapc_user = %u
imapc_password = Password
imapc_features = search

stop working.

The relevant error is this:

Apr 22 22:57:14 doveadm(te...@testemail.net): Info: imapc(10.0.0.203:143): Connected to 10.0.0.202:143 (local 10.0.0.203:58070) Apr 22 22:57:14 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Server capabilities: IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE XLIST LITERAL+ AUTH=PLAIN AUTH=LOGIN Apr 22 22:57:14 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Authenticating as te...@testemail.net for user te...@testemail.net Apr 22 22:57:16 doveadm(te...@testemail.net): Error: imapc(10.0.0.203:143): Authentication failed: [AUTHENTICATIONFAILED] Authentication failed. Apr 22 22:57:16 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Disconnected Apr 22 22:57:16 doveadm(te...@testemail.net): Error: Can't open mailbox shared/test2/Sent: Authentication failed: [AUTHENTICATIONFAILED] Authentication failed.

Please note "Authenticating as te...@testemail.net for user te...@testemail.net" failed.

So my question is, the documentation page is update and right or I missing something?

Someone have this setup workings?

Follow the doveadm acl debug and my dovecot configuration:

# doveadm -Dv acl debug -u te...@testemail.net shared/test2/Sent

Apr 22 22:56:08 Debug: Loading modules from directory: /usr/lib64/dovecot
Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/lib01_acl_plugin.so
Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/lib10_quota_plugin.so
Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/lib20_fts_plugin.so
Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/lib20_virtual_plugin.so Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/lib20_zlib_plugin.so Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/lib21_fts_solr_plugin.so Apr 22 22:56:08 Debug: Loading modules from directory: /usr/lib64/dovecot/doveadm Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/doveadm/lib10_doveadm_acl_plugin.so Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/doveadm/lib10_doveadm_quota_plugin.so Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/doveadm/lib10_doveadm_sieve_plugin.so Apr 22 22:56:08 Debug: Skipping module doveadm_fts_lucene_plugin, because dlopen() failed: /usr/lib64/dovecot/doveadm/lib20_doveadm_fts_lucene_plugin.so: undefined symbol: lucene_index_iter_deinit (this is usually intentional, so just ignore this message) Apr 22 22:56:08 Debug: Module loaded: /usr/lib64/dovecot/doveadm/lib20_doveadm_fts_plugin.so Apr 22 22:56:08 Debug: Skipping module doveadm_mail_crypt_plugin, because dlopen() failed: /usr/lib64/dovecot/doveadm/libdoveadm_mail_crypt_plugin.so: undefined symbol: mail_crypt_box_get_pvt_digests (this is usually intentional, so just ignore this message) Apr 22 22:56:08 doveadm(te...@testemail.net) session=<>: Debug: auth-master: userdb lookup(te...@testemail.net): Started userdb lookup Apr 22 22:56:08 doveadm(te...@testemail.net) session=<>: Debug: auth-master: conn unix:/var/run/dovecot/auth-userdb: Connecting Apr 22 22:56:08 doveadm(te...@testemail.net) session=<>: Debug: auth-master: conn unix:/var/run/dovecot/auth-userdb (pid=19783,uid=0): Client connected (fd=10) Apr 22 22:56:08 doveadm(te...@testemail.net) session=<>: Debug: auth-master: userdb lookup(te...@testemail.net): auth USER input: te...@testemail.net home=/home/vmail/testemail.net/test1 uid=89 gid=89 quota_rule=*:backend=8589934592S,229376C Apr 22 22:56:08 doveadm(te...@testemail.net) session=<>: Debug: auth-master: userdb lookup(te...@testemail.net): Finished userdb lookup (username=te...@testemail.net home=/home/vmail/testemail.net/test1 uid=89 gid=89 quota_rule=*:backend=8589934592S,229376C) Apr 22 22:56:08 doveadm(te...@testemail.net) session=<>: Debug: Added userdb setting: plugin/quota_rule=*:backend=8589934592S,229376C Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Effective uid=89, gid=89, home=/home/vmail/testemail.net/test1 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota root: name=UserQuota backend=maildir args= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota rule: root=UserQuota mailbox=* bytes=8589934592 messages=229376 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota rule: root=UserQuota mailbox=Trash bytes=+104857600 messages=0 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota warning: bytes=8160437862 (95%) messages=0 reverse=no command=quota-warning 95 te...@testemail.net 2 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota warning: bytes=7730941132 (90%) messages=0 reverse=no command=quota-warning 90 te...@testemail.net 1 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota warning: bytes=7301444403 (85%) messages=0 reverse=yes command=quota-warning 85 te...@testemail.net 0 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota grace: root=UserQuota bytes=10485760 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota root: name=Quota Usage backend=dict args=:noenforcing:proxy::sqlquota Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota grace: root=Quota Usage bytes=0 (10%) Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: quota-dict: user=te...@testemail.net, uri=proxy::sqlquota, noenforcing=1 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Namespace inbox: type=private, prefix=, sep=/, inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: maildir++: root=/home/vmail/testemail.net/test1/Maildir, index=, indexpvt=, control=, inbox=/home/vmail/testemail.net/test1/Maildir, alt= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: initializing backend with data: vfile Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: acl username = te...@testemail.net
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: owner = 1
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl vfile: Global ACLs disabled Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Namespace : type=shared, prefix=shared/%n/, sep=/, inbox=no, hidden=no, list=children, subscriptions=no location=imapc:~/Maildir/shared/%u/ Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: shared: root=/var/run/dovecot, index=, indexpvt=, control=, inbox=, alt= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: fts: Indexes disabled for namespace 'shared/%n/' Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: initializing backend with data: vfile Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: acl username = te...@testemail.net
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: owner = 0
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl vfile: Global ACLs disabled Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Namespace Virtual: type=private, prefix=Virtual/, sep=/, inbox=no, hidden=yes, list=no, subscriptions=no location=virtual:/etc/dovecot/virtual:INDEX=~/Maildir/virtual Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: fs: root=/etc/dovecot/virtual, index=/home/vmail/testemail.net/test1/Maildir/virtual, indexpvt=, control=, inbox=, alt= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: initializing backend with data: vfile Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: acl username = te...@testemail.net
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: owner = 1
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl vfile: Global ACLs disabled Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: quota: quota_over_flag check: quota_over_script unset - skipping Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: quota: quota_over_flag check: quota2_over_script unset - skipping Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: auth-master: userdb lookup(te...@testemail.net): Started userdb lookup Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: auth-master: userdb lookup(te...@testemail.net): auth USER input: te...@testemail.net home=/home/vmail/testemail.net/test2 uid=89 gid=89 quota_rule=*:backend=8589934592S,229376C Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: auth-master: userdb lookup(te...@testemail.net): Finished userdb lookup (username=te...@testemail.net home=/home/vmail/testemail.net/test2 uid=89 gid=89 quota_rule=*:backend=8589934592S,229376C) Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota root: name=UserQuota backend=maildir args= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota rule: root=UserQuota mailbox=* bytes=8589934592 messages=229376 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota rule: root=UserQuota mailbox=Trash bytes=+104857600 messages=0 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota warning: bytes=8160437862 (95%) messages=0 reverse=no command=quota-warning 95 te...@testemail.net 2 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota warning: bytes=7730941132 (90%) messages=0 reverse=no command=quota-warning 90 te...@testemail.net 1 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota warning: bytes=7301444403 (85%) messages=0 reverse=yes command=quota-warning 85 te...@testemail.net 0 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota grace: root=UserQuota bytes=10485760 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota root: name=Quota Usage backend=dict args=:noenforcing:proxy::sqlquota Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: Quota grace: root=Quota Usage bytes=0 (10%) Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: quota-dict: user=te...@testemail.net, uri=proxy::sqlquota, noenforcing=1 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Created new connection Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Looking up IP address (reconnect_ok=true, last_connect=1619124968) Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Connecting to 10.0.0.202:143 Apr 22 22:56:08 doveadm(te...@testemail.net): Info: imapc(10.0.0.203:143): Connected to 10.0.0.202:143 (local 10.0.0.203:58062) Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Server capabilities: IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE XLIST LITERAL+ AUTH=PLAIN AUTH=LOGIN Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Authenticating as te...@testemail.net for user te...@testemail.net Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Server capabilities: IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS BINARY MOVE SNIPPET=FUZZY PREVIEW=FUZZY STATUS=SIZE SAVEDATE XLIST LITERAL+ NOTIFY SPECIAL-USE QUOTA ACL RIGHTS=texk Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Authenticated successfully Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc: root=/home/vmail/testemail.net/test2/Maildir/shared/te...@testemail.net, index=, indexpvt=, control=, inbox=, alt= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: maildir++: root=/home/vmail/testemail.net/test2/Maildir/shared/te...@testemail.net, index=, indexpvt=, control=, inbox=, alt= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: initializing backend with data: vfile Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: acl username = te...@testemail.net
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: owner = 1
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl vfile: Global ACLs disabled Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: quota: quota_over_flag check: quota_over_script unset - skipping Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: quota: quota_over_flag check: quota2_over_script unset - skipping Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Created new connection Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Looking up IP address (reconnect_ok=true, last_connect=1619124968) Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Connecting to 10.0.0.202:143 Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc: root=/home/vmail/testemail.net/test1/Maildir/shared/te...@testemail.net, index=, indexpvt=, control=, inbox=, alt= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: maildir++: root=/home/vmail/testemail.net/test1/Maildir/shared/te...@testemail.net, index=, indexpvt=, control=, inbox=, alt= Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: initializing backend with data: vfile Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: acl username = te...@testemail.net
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl: owner = 0
Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: acl vfile: Global ACLs disabled Apr 22 22:56:08 doveadm(te...@testemail.net): Info: imapc(10.0.0.203:143): Connected to 10.0.0.202:143 (local 10.0.0.203:58064) Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Server capabilities: IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE XLIST LITERAL+ AUTH=PLAIN AUTH=LOGIN Apr 22 22:56:08 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Authenticating as te...@testemail.net for user te...@testemail.net Apr 22 22:56:10 doveadm(te...@testemail.net): Error: imapc(10.0.0.203:143): Authentication failed: [AUTHENTICATIONFAILED] Authentication failed. Apr 22 22:56:10 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Disconnected Apr 22 22:56:10 doveadm(te...@testemail.net): Error: Can't open mailbox shared/test2/Sent: Authentication failed: [AUTHENTICATIONFAILED] Authentication failed. Apr 22 22:56:10 doveadm(te...@testemail.net): Debug: imapc(10.0.0.203:143): Disconnected Apr 22 22:56:10 doveadm(te...@testemail.net): Debug: auth-master: conn unix:/var/run/dovecot/auth-userdb (pid=19783,uid=0): Disconnected: Connection closed (fd=10)

# dovecot -n
# 2.3.14 (cee3cbc0d): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.14 (1b5c82b2)
# OS: Linux 3.10.0-1160.24.1.el7.x86_64 x86_64 CentOS Linux release 7.9.2009 (Core)
# Hostname: popimap.emailtest.net
auth_cache_negative_ttl = 90 secs
auth_cache_size = 50 M
auth_debug = yes
auth_debug_passwords = yes
auth_master_user_separator = *
auth_mechanisms = plain login
auth_verbose = yes
auth_verbose_passwords = plain
auth_worker_max_count = 50
default_vsz_limit = 1 G
deliver_log_format = deliverytime=%{delivery_time}, msgid=%m, sender=%e, from=%f, subject="%s": %$
dict {
  acl = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
  sieve = mysql:/etc/dovecot/dovecot-dict-sieve-sql.conf.ext
  sqlquota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
}
disable_plaintext_auth = no
first_valid_gid = 89
first_valid_uid = 89
imap_capability = +XLIST
imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags
imap_id_log = *
imap_logout_format = in=%{input} out=%{output} deleted=%{deleted} expunged=%{expunged} autoexpunged=%{autoexpunged} trashed=%{trashed} appended=%{appended} hdr_count=%{fetch_hdr_count} hdr_bytes=%{fetch_hdr_bytes} body_count=%{fetch_body_count} body_bytes=%{fetch_body_bytes}
imap_max_line_length = 2 M
imapc_features = search
imapc_host = 10.0.0.202
imapc_master_user = %u
imapc_password = # hidden, use -P to show it
last_valid_gid = 89
last_valid_uid = 89
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
login_trusted_networks = 10.0.0.0/24 10.0.1.0/24
mail_attachment_detection_options = add-flags content-type=!image/*
mail_attribute_dict = file:%h/Maildir/dovecot-attributes
mail_fsync = always
mail_location = maildir:~/Maildir
mail_log_prefix = "%s(%u) session=<%{session}>: "
mail_plugins = quota acl zlib fts fts_solr virtual
maildir_very_dirty_syncs = yes
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 vacation-seconds
mmap_disable = yes
namespace {
  list = children
  location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u
  prefix = shared/%%n/
  separator = /
  subscriptions = no
  type = shared
}
namespace Virtual {
  hidden = yes
  list = no
  location = virtual:/etc/dovecot/virtual:INDEX=~/Maildir/virtual
  prefix = Virtual/
  separator = /
  subscriptions = no
}
namespace inbox {
  inbox = yes
  location =
  mailbox Archive {
    auto = subscribe
    special_use = \Archive
  }
  mailbox Drafts {
    auto = subscribe
    special_use = \Drafts
  }
  mailbox Sent {
    auto = subscribe
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Spam {
    auto = subscribe
    special_use = \Junk
  }
  mailbox Trash {
    auto = subscribe
    special_use = \Trash
  }
  mailbox virtual/All {
    comment = All my messages
    special_use = \All
  }
  prefix =
  separator = /
}
passdb {
  args = /etc/dovecot/dovecot-deny-sql.conf.ext
  deny = yes
  driver = sql
}
passdb {
  args = password=#hidden_use-P_to_show#
  driver = static
  result_success = continue
}
passdb {
  args = /etc/dovecot/extra/master-users
  driver = passwd-file
  master = yes
  result_success = continue
}
passdb {
  args = /etc/dovecot/dovecot-sql.conf.ext
  auth_verbose = yes
  driver = sql
  result_success = continue-ok
}
passdb {
  args = /etc/dovecot/extra/extrafields-passdb
  driver = passwd-file
  result_internalfail = return-fail
  skip = unauthenticated
}
plugin {
  acl = vfile
  acl_ignore_namespace = shared/*
  acl_shared_dict = proxy::acl
  fts = solr
  fts_autoindex = no
  fts_index_timeout = 60s
  fts_solr = url=http://10.0.0.5:8983/solr/dovecot/ debug
  fts_tika = http://10.0.0.206:9998/tika/
  master_user = %u
  push_notification_driver = ox:url=http://10.0.0.235/notify
  quota = maildir:UserQuota
  quota2 = dict:Quota Usage::noenforcing:proxy::sqlquota
  quota_grace = 10M
  quota_max_mail_size = 60M
  quota_rule2 = Trash:storage=+100M
  quota_warning = storage=95%% quota-warning 95 %u 2
  quota_warning2 = storage=90%% quota-warning 90 %u 1
  quota_warning3 = -storage=85%% quota-warning 85 %u 0
  sieve = file:~/sieve;active=~/.dovecot.sieve
  sieve_before = dict:proxy::sieve;name=activesql
  sieve_before2 = /etc/dovecot/sieve/before.sieve
  sieve_duplicate_default_period = 1h
  sieve_duplicate_max_period = 1d
  sieve_extensions = +vacation-seconds
  sieve_max_redirects = 25
  sieve_vacation_default_period = 1d
  sieve_vacation_min_period = 4h
  sieve_vacation_send_from_recipient = yes
  zlib_save = gz
  zlib_save_level = 6
}
pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
pop3_fast_size_lookups = yes
pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%{deleted_bytes}/%m, size=%s, bytes=%i/%o
protocols = imap pop3 lmtp sieve
service auth {
  client_limit = 6524
  unix_listener auth-userdb {
    group = vchkpw
    mode = 0660
    user = vmail
  }
}
service dict {
  process_limit = 500
  unix_listener dict {
    group = vchkpw
    mode = 0660
    user = vmail
  }
}
service doveadm {
  inet_listener {
    port = 2425
  }
}
service imap-login {
  process_min_avail = 12
  service_count = 0
}
service imap-postlogin {
  executable = script-login /etc/dovecot/scripts/imap-postlogin.sh
  unix_listener imap-postlogin {
    group = vchkpw
    mode = 0660
    user = vmail
  }
  user = vmail
}
service imap {
  executable = imap imap-postlogin
  process_limit = 8000
  vsz_limit = 2 G
}
service lmtp {
  inet_listener lmtp {
    port = 24
  }
  process_min_avail = 12
}
service managesieve-login {
  inet_listener sieve {
    port = 4190
  }
}
service pop3-login {
  process_min_avail = 12
  service_count = 0
}
service pop3-postlogin {
  executable = script-login /etc/dovecot/scripts/pop3-postlogin.sh
  unix_listener pop3-postlogin {
    group = vchkpw
    mode = 0660
    user = vmail
  }
  user = vmail
}
service pop3 {
  executable = pop3 pop3-postlogin
}
service quota-warning {
  executable = script /etc/dovecot/scripts/quota-warning.sh
  unix_listener quota-warning {
    user = vmail
  }
  user = vmail
}
service stats {
  client_limit = 10240
  unix_listener stats-writer {
    group = vchkpw
    mode = 0660
    user = vmail
  }
}
ssl = no
submission_host = 127.0.0.1
userdb {
  driver = prefetch
}
userdb {
  args = /etc/dovecot/dovecot-sql.conf.ext
  driver = sql
}
verbose_proctitle = yes
protocol lmtp {
  mail_fsync = optimized
  mail_plugins = quota acl zlib fts fts_solr virtual sieve notify push_notification
  namespace inbox {
    location =
    mailbox Spam {
      autoexpunge = 31 days
    }
    mailbox Trash {
      autoexpunge = 31 days
    }
    prefix =
  }
}
protocol lda {
  mail_fsync = optimized
  mail_plugins = quota acl zlib fts fts_solr virtual sieve notify push_notification
}
protocol imap {
  mail_max_userip_connections = 10
  mail_plugins = quota acl zlib fts fts_solr virtual imap_quota imap_acl
  namespace inbox {
    location =
    mailbox Spam {
      autoexpunge = 31 days
    }
    mailbox Trash {
      autoexpunge = 31 days
    }
    prefix =
  }
}
protocol sieve {
  mail_max_userip_connections = 2
}
protocol pop3 {
  mail_max_userip_connections = 15
}
remote 10.0.1.0/24 {
  protocol imap {
    imap_metadata = yes
  }
}
local 10.0.0.0/24 {
  doveadm_password = # hidden, use -P to show it
}

Thanks

--
Alessio Cecchi
Postmaster @ http://www.qboxmail.it
https://www.linkedin.com/in/alessice

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