Disconnected: Shutting down (disconnected while authenticating) :: after mysql restart :: bug?

rudolf at padaru.de rudolf at padaru.de
Thu Mar 17 08:11:28 UTC 2022


Good morning list,

 

i looking for a while for a solution above problem.

 

We use dovecot 2.3.7.2 (3c910f64b) (Ubuntu 20.04) and 2.3.13 (89f716dc2)
(Ubuntu 18.04) .

 

Often we have the problem, that the authentication (dovecot <-> mysql) dont
work after an mysql restart. Unfortunately i cant reproduce this problem, if
i restart the mysql-server the authentication work when the database is up
again.

 

If we have this problem it is enough to reload the dovecot. So that the
auth-worker will reconnect and everything is fine again.

 

I have tried to encircle the problem with verbose auth-logging – a wile ago
– but i only see timeouts from the auth-worker while mysql is running

 

But this is not the solution für the problem. Is there an option i can set
to force the auth-worker to reconnect? Maybe an timeout or something else?

 

Or is there an value set to high in my conf? Somethin like the idle_kill
from anvil service?

 

Or is it simply a bug?

 

 

doveconf output:

auth_anonymous_username = anonymous

auth_cache_negative_ttl = 1 hours

auth_cache_size = 0

auth_cache_ttl = 1 hours

auth_cache_verify_password_with_worker = no

auth_debug = no

auth_debug_passwords = no

auth_default_realm =

auth_failure_delay = 2 secs

auth_gssapi_hostname =

auth_krb5_keytab =

auth_master_user_separator =

auth_mechanisms = plain login

auth_policy_check_after_auth = yes

auth_policy_check_before_auth = yes

auth_policy_hash_mech = sha256

auth_policy_hash_nonce =

auth_policy_hash_truncate = 12

auth_policy_log_only = no

auth_policy_reject_on_fail = no

auth_policy_report_after_auth = yes

auth_policy_request_attributes = login=%{requested_username}
pwhash=%{hashed_password} remote=%{rip} device_id=%{client_id} protocol=%s

auth_policy_server_api_header =

auth_policy_server_timeout_msecs = 2000

auth_policy_server_url =

auth_proxy_self =

auth_realms =

auth_socket_path = auth-userdb

auth_ssl_require_client_cert = no

auth_ssl_username_from_cert = no

auth_stats = no

auth_use_winbind = no

auth_username_chars =
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@üÜöÖäÄ

auth_username_format = %Lu

auth_username_translation =

auth_verbose = no

auth_verbose_passwords = no

auth_winbind_helper_path = /usr/bin/ntlm_auth

auth_worker_max_count = 60

base_dir = /var/run/dovecot

config_cache_size = 1 M

debug_log_path =

default_client_limit = 1000

default_idle_kill = 1 mins

default_internal_group = dovecot

default_internal_user = dovecot

default_login_user = dovenull

default_process_limit = 100

default_vsz_limit = 256 M

deliver_log_format = msgid=%m: %$

dict_db_config =

director_flush_socket =

director_mail_servers =

director_max_parallel_kicks = 100

director_max_parallel_moves = 100

director_output_buffer_size = 10 M

director_ping_idle_timeout = 30 secs

director_ping_max_timeout = 1 mins

director_servers =

director_user_expire = 15 mins

director_user_kick_delay = 2 secs

director_username_hash = %u

disable_plaintext_auth = no

dotlock_use_excl = yes

doveadm_allowed_commands =

doveadm_api_key =

doveadm_http_rawlog_dir =

doveadm_password =

doveadm_port = 0

doveadm_socket_path = doveadm-server

doveadm_username = doveadm

doveadm_worker_count = 0

dsync_alt_char = _

dsync_commit_msgs_interval = 100

dsync_features =

dsync_hashed_headers = Date Message-ID

dsync_remote_cmd = ssh -l%{login} %{host} doveadm dsync-server -u%u -U

first_valid_gid = 1

first_valid_uid = 500

haproxy_timeout = 3 secs

haproxy_trusted_networks =

hostname =

imap_capability = +XLIST

imap_client_workarounds =

imap_fetch_failure = disconnect-immediately

imap_hibernate_timeout = 0

imap_id_log =

imap_id_retain = no

imap_id_send = name *

imap_idle_notify_interval = 2 mins

imap_literal_minus = no

imap_logout_format = in=%i out=%o del=%{deleted}
fetched_mails=%{fetch_hdr_count}

imap_max_line_length = 64 k

imap_metadata = no

imap_urlauth_host =

imap_urlauth_logout_format = in=%i out=%o

imap_urlauth_port = 143

imapc_cmd_timeout = 5 mins

imapc_connection_retry_count = 1

imapc_connection_retry_interval = 1 secs

imapc_features =

imapc_host =

imapc_list_prefix =

imapc_master_user =

imapc_max_idle_time = 29 mins

imapc_max_line_length = 0

imapc_password =

imapc_port = 143

imapc_rawlog_dir =

imapc_sasl_mechanisms =

imapc_ssl = no

imapc_ssl_verify = yes

imapc_user =

import_environment = TZ CORE_OUTOFMEM CORE_ERROR LISTEN_PID LISTEN_FDS

info_log_path =

instance_name = dovecot

last_valid_gid = 0

last_valid_uid = 0

lda_mailbox_autocreate = yes

lda_mailbox_autosubscribe = yes

lda_original_recipient_header =

libexec_dir = /usr/lib/dovecot

listen = *, ::

lmtp_hdr_delivery_address = final

lmtp_proxy = no

lmtp_proxy_rawlog_dir =

lmtp_rawlog_dir =

lmtp_rcpt_check_quota = no

lmtp_save_to_detail_mailbox = no

lmtp_user_concurrency_limit = 0

lock_method = flock

log_core_filter =

log_debug =

log_path = syslog

log_timestamp = "%b %d %H:%M:%S "

login_access_sockets =

login_greeting = <myServer.com> mailserver ready.

login_log_format = %$: %s

login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c

login_plugin_dir = /usr/lib/dovecot/modules/login

login_plugins =

login_proxy_max_disconnect_delay = 0

login_proxy_notify_path = proxy-notify

login_source_ips =

login_trusted_networks =

mail_access_groups =

mail_always_cache_fields = hdr.* flags mime.parts binary.parts body.snippet

mail_attachment_detection_options =

mail_attachment_dir =

mail_attachment_fs = sis posix

mail_attachment_hash = %{sha1}

mail_attachment_min_size = 128 k

mail_attribute_dict =

mail_cache_compress_continued_percentage = 200

mail_cache_compress_delete_percentage = 20

mail_cache_compress_header_continue_count = 4

mail_cache_compress_min_size = 32 k

mail_cache_fields = flags

mail_cache_min_mail_count = 30

mail_cache_record_max_size = 64 k

mail_cache_unaccessed_field_drop = 30 days

mail_chroot =

mail_debug = no

mail_fsync = optimized

mail_full_filesystem_access = no

mail_gid =

mail_home =

mail_index_log2_max_age = 2 days

mail_index_log_rotate_max_size = 1 M

mail_index_log_rotate_min_age = 5 mins

mail_index_log_rotate_min_size = 32 k

mail_index_rewrite_max_log_bytes = 128 k

mail_index_rewrite_min_log_bytes = 8 k

mail_location = auto:

mail_log_prefix = "%s(%u)<%{pid}><%{session}>: "

mail_max_keyword_length = 50

mail_max_lock_timeout = 0

mail_max_userip_connections = 30

mail_never_cache_fields =

mail_nfs_index = no

mail_nfs_storage = no

mail_plugin_dir = /usr/lib/dovecot/modules

mail_plugins = " zlib"

mail_prefetch_count = 0

mail_privileged_group = mail

mail_save_crlf = no

mail_server_admin =

mail_server_comment =

mail_shared_explicit_inbox = no

mail_sort_max_read_count = 0

mail_temp_dir = /tmp

mail_temp_scan_interval = 1 weeks

mail_uid =

mail_vsize_bg_after_count = 0

mailbox_idle_check_interval = 30 secs

mailbox_list_index = yes

mailbox_list_index_include_inbox = no

mailbox_list_index_very_dirty_syncs = no

maildir_broken_filename_sizes = no

maildir_copy_with_hardlinks = yes

maildir_empty_new = no

maildir_stat_dirs = no

maildir_very_dirty_syncs = no

managesieve_client_workarounds =

managesieve_implementation_string = Dovecot (Ubuntu) Pigeonhole

managesieve_logout_format = bytes=%i/%o

managesieve_max_compile_errors = 5

managesieve_max_line_length = 65536

managesieve_notify_capability = mailto

managesieve_sieve_capability = fileinto 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 editheader imapflags notify
vnd.dovecot.pipe vnd.dovecot.filter vnd.dovecot.execute

master_user_separator =

mbox_dirty_syncs = yes

mbox_dotlock_change_timeout = 2 mins

mbox_lazy_writes = yes

mbox_lock_timeout = 5 mins

mbox_md5 = apop3d

mbox_min_index_size = 0

mbox_read_locks = dotlock

mbox_very_dirty_syncs = yes

mbox_write_locks = fcntl dotlock

mdbox_preallocate_space = no

mdbox_rotate_interval = 0

mdbox_rotate_size = 250 M

mmap_disable = no

namespace inbox {

  disabled = no

  hidden = no

  ignore_on_failure = no

  inbox = yes

  list = yes

  location =

  mailbox Archiv {

    auto = no

    autoexpunge = 0

    autoexpunge_max_mails = 0

    comment =

    driver =

    special_use =

  }

  mailbox Drafts {

    auto = no

    autoexpunge = 0

    autoexpunge_max_mails = 0

    comment =

    driver =

    special_use =

  }

  mailbox Junk {

    auto = no

    autoexpunge = 0

    autoexpunge_max_mails = 0

    comment =

    driver =

    special_use =

  }

  mailbox Sent {

    auto = no

    autoexpunge = 0

    autoexpunge_max_mails = 0

    comment =

    driver =

    special_use =

  }

  mailbox "Sent Messages" {

    auto = no

    autoexpunge = 0

    autoexpunge_max_mails = 0

    comment =

    driver =

    special_use = \Sent

  }

  mailbox Trash {

    auto = no

    autoexpunge = 0

    autoexpunge_max_mails = 0

    comment =

    driver =

    special_use =

  }

  order = 0

  prefix =

  separator =

  subscriptions = yes

  type = private

}

old_stats_carbon_interval = 30 secs

old_stats_carbon_name =

old_stats_carbon_server =

old_stats_command_min_time = 1 mins

old_stats_domain_min_time = 12 hours

old_stats_ip_min_time = 12 hours

old_stats_memory_limit = 16 M

old_stats_session_min_time = 15 mins

old_stats_user_min_time = 1 hours

passdb {

  args = /etc/dovecot/conf.d/zDovecot-sql.conf.ext

  auth_verbose = default

  default_fields =

  deny = no

  driver = sql

  master = no

  mechanisms =

  name =

  override_fields =

  pass = no

  result_failure = continue

  result_internalfail = continue

  result_success = return-ok

  skip = never

  username_filter =

}

plugin {

  sieve = ~/sieve/.dovecot.sieve

  sieve_after = ~/sieve_after/.dovecot_after.sieve

  sieve_before = ~/sieve_before/.dovecot_before.sieve

  sieve_dir = ~/sieve

  sieve_execute_bin_dir = /usr/local/bin/

  sieve_execute_input_eol = lf

  sieve_extensions = +notify +imapflags +vnd.dovecot.pipe
+vnd.dovecot.filter +vnd.dovecot.execute +editheader -reject

  sieve_filter_bin_dir = /usr/local/bin/

  sieve_filter_input_eol = lf

  sieve_global_dir = /etc/dovecot/sieve/

  sieve_max_redirects = 25

  sieve_pipe_bin_dir = /usr/local/bin/

  sieve_pipe_input_eol = lf

  sieve_plugins = sieve_extprograms

  sieve_redirect_envelope_from = recipient

  zlib_save = gz

  zlib_save_level = 6

}

pop3_client_workarounds =

pop3_delete_type = default

pop3_deleted_flag =

pop3_enable_last = no

pop3_fast_size_lookups = no

pop3_lock_session = no

pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s

pop3_no_flag_updates = no

pop3_reuse_xuidl = no

pop3_save_uidl = no

pop3_uidl_duplicates = allow

pop3_uidl_format = %08Xu%08Xv

pop3c_features =

pop3c_host =

pop3c_master_user =

pop3c_password =

pop3c_port = 110

pop3c_quick_received_date = no

pop3c_rawlog_dir =

pop3c_ssl = no

pop3c_ssl_verify = yes

pop3c_user = %u

postmaster_address = postmaster@%{if;%d;ne;;%d;%{hostname}}

protocols = imap pop3 sieve

quota_full_tempfail = no

rawlog_dir =

recipient_delimiter = +

rejection_reason = Your message to <%t> was automatically rejected:%n%r

rejection_subject = Rejected: %s

replication_dsync_parameters = -d -N -l 30 -U

replication_full_sync_interval = 1 days

replication_max_conns = 10

replicator_host = replicator

replicator_port = 0

sendmail_path = /usr/sbin/sendmail

service aggregator {

  chroot = .

  client_limit = 0

  drop_priv_before_exec = no

  executable = aggregator

  extra_groups =

  fifo_listener replication-notify-fifo {

    group =

    mode = 0600

    user =

  }

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener replication-notify {

    group =

    mode = 0600

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service anvil {

  chroot = empty

  client_limit = 0

  drop_priv_before_exec = no

  executable = anvil

  extra_groups =

  group =

  idle_kill = 4294967295 secs

  privileged_group =

  process_limit = 1

  process_min_avail = 1

  protocol =

  service_count = 0

  type = anvil

  unix_listener anvil-auth-penalty {

    group =

    mode = 0600

    user =

  }

  unix_listener anvil {

    group =

    mode = 0600

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service auth-worker {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = auth -w

  extra_groups =

  group =

  idle_kill = 1 mins

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol =

  service_count = 1

  type =

  unix_listener auth-worker {

    group =

    mode = 0600

    user = $default_internal_user

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service auth {

  chroot =

  client_limit = 0

  drop_priv_before_exec = no

  executable = auth

  extra_groups =

  group =

  idle_kill = 1 mins

  privileged_group =

  process_limit = 1

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener /var/spool/postfix/private/auth {

    group = postfix

    mode = 0660

    user = postfix

  }

  unix_listener auth-client {

    group =

    mode = 0600

    user = $default_internal_user

  }

  unix_listener auth-login {

    group =

    mode = 0600

    user = $default_internal_user

  }

  unix_listener auth-master {

    group =

    mode = 0600

    user =

  }

  unix_listener auth-userdb {

    group =

    mode = 0666

    user = $default_internal_user

  }

  unix_listener login/login {

    group =

    mode = 0666

    user =

  }

  unix_listener token-login/tokenlogin {

    group =

    mode = 0666

    user =

  }

  user = root

  vsz_limit = 18446744073709551615 B

}

service config {

  chroot =

  client_limit = 0

  drop_priv_before_exec = no

  executable = config

  extra_groups =

  group =

  idle_kill = 4294967295 secs

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol =

  service_count = 0

  type = config

  unix_listener config {

    group =

    mode = 0600

    user =

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service dict-async {

  chroot =

  client_limit = 0

  drop_priv_before_exec = no

  executable = dict

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener dict-async {

    group = $default_internal_group

    mode = 0660

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service dict {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = dict

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener dict {

    group = $default_internal_group

    mode = 0660

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service director {

  chroot = .

  client_limit = 0

  drop_priv_before_exec = no

  executable = director

  extra_groups =

  fifo_listener login/proxy-notify {

    group =

    mode = 00

    user =

  }

  group =

  idle_kill = 4294967295 secs

  inet_listener {

    address =

    haproxy = no

    port = 0

    reuse_port = no

    ssl = no

  }

  privileged_group =

  process_limit = 1

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener director-admin {

    group =

    mode = 0600

    user =

  }

  unix_listener director-userdb {

    group =

    mode = 0600

    user =

  }

  unix_listener login/director {

    group =

    mode = 00

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service dns_client {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = dns-client

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener dns-client {

    group =

    mode = 0666

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service doveadm {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = doveadm-server

  extra_groups = $default_internal_group

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol =

  service_count = 1

  type =

  unix_listener doveadm-server {

    group =

    mode = 0600

    user =

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service imap-hibernate {

  chroot =

  client_limit = 0

  drop_priv_before_exec = no

  executable = imap-hibernate

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol = imap

  service_count = 0

  type =

  unix_listener imap-hibernate {

    group = $default_internal_group

    mode = 0660

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service imap-login {

  chroot = login

  client_limit = 0

  drop_priv_before_exec = no

  executable = /usr/lib/dovecot/imap-login

  extra_groups =

  group =

  idle_kill = 0

  inet_listener imap {

    address =

    haproxy = no

    port = 143

    reuse_port = no

    ssl = no

  }

  inet_listener imaps {

    address =

    haproxy = no

    port = 993

    reuse_port = no

    ssl = yes

  }

  privileged_group =

  process_limit = 0

  process_min_avail = 4

  protocol = imap

  service_count = 0

  type = login

  user = dovecot

  vsz_limit = 18446744073709551615 B

}

service imap-urlauth-login {

  chroot = token-login

  client_limit = 0

  drop_priv_before_exec = no

  executable = imap-urlauth-login

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol = imap

  service_count = 1

  type = login

  unix_listener imap-urlauth {

    group =

    mode = 0666

    user =

  }

  user = $default_login_user

  vsz_limit = 18446744073709551615 B

}

service imap-urlauth-worker {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = imap-urlauth-worker

  extra_groups = $default_internal_group

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 1024

  process_min_avail = 0

  protocol = imap

  service_count = 1

  type =

  unix_listener imap-urlauth-worker {

    group =

    mode = 0600

    user = $default_internal_user

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service imap-urlauth {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = imap-urlauth

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 1024

  process_min_avail = 0

  protocol = imap

  service_count = 1

  type =

  unix_listener token-login/imap-urlauth {

    group =

    mode = 0666

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service imap {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = imap

  extra_groups = $default_internal_group

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 1024

  process_min_avail = 0

  protocol = imap

  service_count = 1

  type =

  unix_listener imap-master {

    group =

    mode = 0600

    user =

  }

  unix_listener login/imap {

    group =

    mode = 0666

    user =

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service indexer-worker {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = indexer-worker

  extra_groups = $default_internal_group

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 10

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener indexer-worker {

    group =

    mode = 0600

    user = $default_internal_user

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service indexer {

  chroot =

  client_limit = 0

  drop_priv_before_exec = no

  executable = indexer

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 1

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener indexer {

    group =

    mode = 0666

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service ipc {

  chroot = empty

  client_limit = 0

  drop_priv_before_exec = no

  executable = ipc

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 1

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener ipc {

    group =

    mode = 0600

    user = $default_internal_user

  }

  unix_listener login/ipc-proxy {

    group =

    mode = 0600

    user = $default_login_user

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service lmtp {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = lmtp

  extra_groups = $default_internal_group

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol = lmtp

  service_count = 0

  type =

  unix_listener lmtp {

    group =

    mode = 0666

    user =

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service log {

  chroot =

  client_limit = 0

  drop_priv_before_exec = no

  executable = log

  extra_groups =

  group =

  idle_kill = 4294967295 secs

  privileged_group =

  process_limit = 1

  process_min_avail = 0

  protocol =

  service_count = 0

  type = log

  unix_listener log-errors {

    group =

    mode = 0600

    user =

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service managesieve-login {

  chroot = login

  client_limit = 0

  drop_priv_before_exec = no

  executable = managesieve-login

  extra_groups =

  group =

  idle_kill = 0

  inet_listener sieve {

    address =

    haproxy = no

    port = 4190

    reuse_port = no

    ssl = no

  }

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol = sieve

  service_count = 0

  type = login

  user = dovecot

  vsz_limit = 18446744073709551615 B

}

service managesieve {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = managesieve

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 1024

  process_min_avail = 0

  protocol = sieve

  service_count = 1

  type =

  unix_listener login/sieve {

    group =

    mode = 0666

    user =

  }

  user = dovecot

  vsz_limit = 18446744073709551615 B

}

service old-stats {

  chroot = empty

  client_limit = 0

  drop_priv_before_exec = no

  executable = old-stats

  extra_groups =

  fifo_listener old-stats-mail {

    group =

    mode = 0600

    user =

  }

  fifo_listener old-stats-user {

    group =

    mode = 0600

    user =

  }

  group =

  idle_kill = 4294967295 secs

  privileged_group =

  process_limit = 1

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener old-stats {

    group =

    mode = 0600

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service pop3-login {

  chroot = login

  client_limit = 0

  drop_priv_before_exec = no

  executable = /usr/lib/dovecot/pop3-login

  extra_groups =

  group =

  idle_kill = 0

  inet_listener pop3 {

    address =

    haproxy = no

    port = 110

    reuse_port = no

    ssl = no

  }

  inet_listener pop3s {

    address =

    haproxy = no

    port = 995

    reuse_port = no

    ssl = yes

  }

  privileged_group =

  process_limit = 0

  process_min_avail = 4

  protocol = pop3

  service_count = 0

  type = login

  user = dovecot

  vsz_limit = 18446744073709551615 B

}

service pop3 {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = /usr/lib/dovecot/pop3

  extra_groups = $default_internal_group

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 1024

  process_min_avail = 0

  protocol = pop3

  service_count = 1

  type =

  unix_listener login/pop3 {

    group =

    mode = 0666

    user =

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service replicator {

  chroot =

  client_limit = 0

  drop_priv_before_exec = no

  executable = replicator

  extra_groups =

  group =

  idle_kill = 4294967295 secs

  privileged_group =

  process_limit = 1

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener replicator-doveadm {

    group =

    mode = 00

    user = $default_internal_user

  }

  unix_listener replicator {

    group =

    mode = 0600

    user = $default_internal_user

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service stats {

  chroot = empty

  client_limit = 0

  drop_priv_before_exec = no

  executable = stats

  extra_groups =

  group =

  idle_kill = 4294967295 secs

  privileged_group =

  process_limit = 1

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  unix_listener stats-reader {

    group = dovecot

    mode = 0666

    user =

  }

  unix_listener stats-writer {

    group = dovecot

    mode = 0666

    user =

  }

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

service submission-login {

  chroot = login

  client_limit = 0

  drop_priv_before_exec = no

  executable = submission-login

  extra_groups =

  group =

  idle_kill = 0

  inet_listener submission {

    address =

    haproxy = no

    port = 587

    reuse_port = no

    ssl = no

  }

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol = submission

  service_count = 1

  type = login

  user = $default_login_user

  vsz_limit = 18446744073709551615 B

}

service submission {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = submission

  extra_groups = $default_internal_group

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 1024

  process_min_avail = 0

  protocol = submission

  service_count = 1

  type =

  unix_listener login/submission {

    group =

    mode = 0666

    user =

  }

  user =

  vsz_limit = 18446744073709551615 B

}

service tcpwrap {

  chroot =

  client_limit = 1

  drop_priv_before_exec = no

  executable = tcpwrap

  extra_groups =

  group =

  idle_kill = 0

  privileged_group =

  process_limit = 0

  process_min_avail = 0

  protocol =

  service_count = 0

  type =

  user = $default_internal_user

  vsz_limit = 18446744073709551615 B

}

shutdown_clients = no

ssl = yes

ssl_alt_cert =

ssl_alt_key =

ssl_ca = </etc/apache2/zertifikate/<myServer.com>.com.pem

ssl_cert = </etc/apache2/zertifikate/<myServer.com>.com.pem

ssl_cert_username_field = commonName

ssl_cipher_list =
EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:E
ECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH+aRSA+RC4:EECDH:EDH+aRSA:!aNULL:!eNU
LL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4

ssl_client_ca_dir =

ssl_client_ca_file =

ssl_client_cert =

ssl_client_key =

ssl_client_require_valid_cert = yes

ssl_crypto_device =

ssl_curve_list =

ssl_dh = # hidden, use -P to show it

ssl_key = # hidden, use -P to show it

ssl_key_password =

ssl_min_protocol = TLSv1.2

ssl_options =

ssl_prefer_server_ciphers = yes

ssl_require_crl = yes

ssl_verify_client_cert = no

state_dir = /var/lib/dovecot

stats_writer_socket_path = stats-writer

submission_client_workarounds =

submission_host =

submission_logout_format = in=%i out=%o

submission_max_mail_size = 0

submission_max_recipients = 0

submission_relay_command_timeout = 5 mins

submission_relay_connect_timeout = 30 secs

submission_relay_host =

submission_relay_master_user =

submission_relay_max_idle_time = 29 mins

submission_relay_password =

submission_relay_port = 25

submission_relay_rawlog_dir =

submission_relay_ssl = no

submission_relay_ssl_verify = yes

submission_relay_trusted = no

submission_relay_user =

submission_ssl = no

submission_timeout = 30 secs

syslog_facility = mail

userdb {

  args = /etc/dovecot/conf.d/zDovecot-sql.conf.ext

  auth_verbose = default

  default_fields =

  driver = sql

  name =

  override_fields =

  result_failure = continue

  result_internalfail = continue

  result_success = return-ok

  skip = never

}

valid_chroot_dirs =

verbose_proctitle = yes

verbose_ssl = no

version_ignore = no

protocol lda {

  mail_plugins = " zlib sieve zlib"

  rejection_reason = Your message to <%t> was automatically discarded:%n%r

}

protocol imap {

  imap_client_workarounds = delay-newmail

  mail_plugins = " zlib mail_log notify zlib"

  ssl = yes

}

protocol pop3 {

  mail_plugins = zlib

  pop3_client_workarounds = oe-ns-eoh outlook-no-nuls

  pop3_no_flag_updates = no

  pop3_uidl_format = %08Xu%08Xv

  ssl = yes

}

 

 

Thank you for any advide or solution.

 

Mit freundlichen Grüßen

Yours sincerely

 

Pascal Rudolf

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