- dovecot - dovecot.org

Private \seen flags lost during message move for other users
by Cube . 28 Mar '22

28 Mar '22

Hello, I have a shared mailbox set up with a private index: maildir:/var/mail/public:INDEXPVT=~/Maildir/public Per user \Seen flags are working fine until one user moves a message into another folder/sub-mailbox. For that user doing the move the message remains \Seen however for other users who have already seen the message the flag is lost and it appears unread in the new location. If the message is moved back it still appears unread to the other user even if had been read in that folder/sub-mailbox in the past. Is there anyway to retain per user \Seen that follows the message when its moved? Thank you.

2 1

dovecot replication on dovecot v 2.3.8
by Stephane Magnier 27 Mar '22

27 Mar '22

Hi, I am trying using a replication. Here is my config : 10-mail.conf. Before going " on real life " I try to make a very basic example... but without any success :-( bad start I took the config example on dovecot wiki The idea is to replicate the user: "user1" on a different server IP 177.28.1.120 at the location /home/SERVER/test and to get at the end the folder "/home/SERVER/test/user1" On the top, I wish to replication with the user / group : vmail. For the transfer, I use the root login on the backup server to avoid other rights problems at the moment 2) how to synchronized specific users ? apparently it's trying to sync other things.. :-) # mbox_very_dirty_syncs = yes mail_plugins=$mail_plugins quota notify replication service replicator { process_min_avail = 1 } dsync_remote_cmd = ssh -l root 177.28.1.120 doveadm dsync-server -u user1 plugin { mail_replica =remote:root@177.28.1.120:/home/SERVER/test/ } service aggregator { fifo_listener replication-notify-fifo { user = vmail } unix_listener replication-notify { user = vmail } } service replicator { unix_listener replicator-doveadm { mode = 0600 user = vmail } } replication_max_conns = 10 But apparently nothing is happening.... [root@xxx xenia]# doveadm replicator status Queued 'sync' requests 0 Queued 'high' requests 0 Queued 'low' requests 0 Queued 'failed' requests 0 Queued 'full resync' requests 24 Waiting 'failed' requests 10 Total number of known users 34 and the folder test is empty Any idea what is wrong ? maybe I should ask a start a cmd line to start the process ? ( [root@mbox1 xenia]# doveadm replicator status '*' username priority fast sync full sync success sync failed rngd none - - - - *user1 none 00:00:04 00:40:05 - y ( failed )* saslauth none - - - - sa-milt none - - - -

1 1

disable authentication for a user in specialuserdb passwd-file
by Marc 27 Mar '22

27 Mar '22

Is it possible to disable the authentication for a specific user in userdb password-file?

1 0

log failed plaintext password for specific user only
by mj 25 Mar '22

25 Mar '22

Hi, We are logging failed authentication attempts, with the attempted password as auth_verbose_passwords=sha1 The question: is it possible to configure auth_verbose_passwords=plain for a specific user only? Turning it on globally would be too much sensitive information for the purpose. Reason: We are currently observing a high number of failed authentications for a specific user, coming from *many* diffirent IPs across the globe, with most IPs only trying once or twice, making this difficult to block. The number of failed authentications cause this account to regularly become blocked in AD. We would like to know if they are trying older actual passwords from the user, or if it's just dictionary attack. Thanks!

4 7

Setting imap-login process_limit when service_count>1
by Joseph Tam 25 Mar '22

25 Mar '22

More of my users are accessing mail remotely, which probably explained why I started seeing Mar 18 05:50:34 dovecot: master: Warning: service(imap-login): process_limit (2) reached, client connections are being dropped I played around with increasing limits, but made the mistake of setting service_count to a value other than 0 and 1. service imap-login { client_limit = 1024 service_count = 10240 process_min_avail = 2 process_limit = 8 } Doubling and redoubling process_limit and increasing service_count didn't prevent IMAP from eventually grinding to a halt because process_limit was reached. Mar 18 12:36:12 dovecot: master: Warning: service(imap-login): process_limit (4) reached, client connections are being dropped Mar 18 20:39:48 viol dovecot: master: Warning: service(imap-login): process_limit (8) reached, client connections are being dropped Observing the way imap-login processes spawn and retain file descriptors, I finally understood the subtlety of [1], which explains that imap-login will not exit despite reaching service_count if one SSL connection is still open. With many long-lived client connections, the asymptotic behaviour is that the total #clients plateaus, but get spread out over many imap-login processes, with many lingering on to hold a few SSL connections. For service_count>1, process_limit should be set to a large fraction of peak simultaneous clients (i.e. the same value used when service_count=1), otherwise there is a high likelihood of running into process_limit and game over. Given this behaviour, there doesn't seem much sense in setting service_count to anything but 0 (unlimited => performance mode) or 1 (security mode). Setting to other values supposedly limit memory leaks, but if a single persistent SSL client can hold up an imap-login process from exiting and releasing memory, it seems to negate this purpose. Anyways, maybe [1] can mention this so others don't fall into the same pit I did. References [1] https://doc.dovecot.org/admin_manual/login_processes/ Joseph Tam <jtam.home(a)gmail.com>

1 0

ok replication does not work
by Paul Kudla (SCOM.CA Internet) 24 Mar '22

24 Mar '22

would someone please send me the standard that you are working towards (rfc stuff) in the mean time a bad email or folder or both are simply causing replication not to work no there is no logging of any kind of an error i would appreciate the info as i will start ripping down the c code to fix this doveadm / replication (seems to be seperate ???) remote , tcp tcps nothing works your co operation on this matter would be appreciated i dumped the 5 accounts listed below started from scratch and it just simply DOES NOT WORK all account replicate except for # sync.status Queued 'sync' requests 0 Queued 'high' requests 5 Queued 'low' requests 0 Queued 'failed' requests 0 Queued 'full resync' requests 0 Waiting 'failed' requests 0 Total number of known users 255 username type status paul(a)scom.ca incremental Waiting for dsync to finish nick(a)elirpa.com incremental Waiting for dsync to finish keith(a)elirpa.com incremental Waiting for dsync to finish ed.hanna(a)dssmgmt.com incremental Waiting for dsync to finish ed(a)scom.ca incremental Waiting for dsync to finish always the same five accounts and always they choke without any info i am forced to do a sync every five minutes (ten minute intevals) to keep the servers in sync. someone please give me a standard to work with otherwise the hacks that i do will be exactly that a hack???

2 1

Pop3 Panic Error
by Aurel Mihai 24 Mar '22

24 Mar '22

Hello, after upgrade to version 2.3.18, we enconter a lot of errors, such as: Mar 22 14:08:32 mail2 dovecot: pop3(user@domain)<52269><3y3GeM3aQ+tWadtM>: Panic: file lib-event.c: line 585 (event_reason_code_prefix): assertion failed: (name[0] != '\0') Mar 22 14:08:32 mail2 dovecot: pop3(user@domain)<52269><3y3GeM3aQ+tWadtM>: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(backtrace_append+0x42) [0x7f7ce322e012] -> /usr/lib/dovecot/libdovecot.so.0(backtrace_get+0x1e) [0x7f7ce322e12e] -> /usr/lib/dovecot/libdovecot.so.0(+0x101d4b) [0x7f7ce323ad4b] -> /usr/lib/dovecot/libdovecot.so.0(+0x101de1) [0x7f7ce323ade1] -> /usr/lib/dovecot/libdovecot.so.0(+0x55519) [0x7f7ce318e519] -> /usr/lib/dovecot/libdovecot.so.0(+0x594e2) [0x7f7ce31924e2] -> dovecot/pop3(client_handle_input+0x1c9) [0x55d5b5efa539] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7f7ce3250f79] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x96) [0x7f7ce3251066] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x40) [0x7f7ce32511e0] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f7ce31c4003] -> dovecot/pop3(main+0x2e6) [0x55d5b5ef81f6] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f7ce2f93d0a] -> dovecot/pop3(_start+0x2a) [0x55d5b5ef838a] Mar 22 14:08:32 mail2 dovecot: pop3(user@domain)<52269><3y3GeM3aQ+tWadtM>: Fatal: master: service(pop3): child 52269 killed with signal 6 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps) # dovecot -n # 2.3.18 (9dd8408c18): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.18 (0bc28b32) # OS: Linux 5.10.0-12-amd64 x86_64 Debian 11.2 # Hostname: auth_cache_verify_password_with_worker = yes auth_failure_delay = 5 secs auth_mechanisms = plain login auth_verbose = yes auth_worker_max_count = 256 default_client_limit = 10000 default_process_limit = 10000 default_vsz_limit = 1 G dict { lastlogin = mysql:/etc/dovecot/mysql/dovecot-dict-lastlogin.conf quotadict = mysql:/etc/dovecot/mysql/dovecot-dict-quota.conf } disable_plaintext_auth = no first_valid_uid = 100 imap_hibernate_timeout = 5 secs imap_idle_notify_interval = 3 mins log_timestamp = "%Y-%m-%d %H:%M:%S " login_log_format_elements = user=<%u> method=%m rip=%r lip=%l pid=%p %c login_trusted_networks = mail_fsync = always mail_gid = 8 mail_home = /home/virtual0/%d/%n mail_location = maildir:~/Maildir mail_nfs_index = yes mail_nfs_storage = yes mail_plugins = zlib quota mail_log notify mail_privileged_group = mail mail_uid = 150 maildir_stat_dirs = 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 ihave metric imap_command { filter = event=imap_command_finished AND tagged_reply_state=OK group_by = cmd_name } metric imap_select_no { filter = event=imap_command_finished AND cmd_name=SELECT AND tagged_reply_state=NO } metric imap_select_no_notfound { filter = event=imap_command_finished AND cmd_name=SELECT AND tagged_reply="NO*Mailbox doesn't exist:*" } metric storage_http_gets { filter = event=http_request_finished AND category=storage AND method=get } mmap_disable = yes namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Spam { auto = subscribe autoexpunge = 30 days special_use = \Junk } mailbox Trash { auto = subscribe autoexpunge = 60 days special_use = \Trash } mailbox virtual/All { special_use = \All } prefix = } passdb { args = /etc/dovecot/mysql/dovecot-sql.conf driver = sql } plugin { last_login_dict = proxy::lastlogin last_login_key = # hidden, use -P to show it mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size quota = dict:user::proxy::quotadict quota_rule2 = Trash:ignore quota_rule3 = Spam:ignore quota_status_nouser = DUNNO quota_status_overquota = 552 5.2.2 The email account that you tried to reach is over quota quota_status_success = DUNNO quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_before = /etc/dovecot/sieve/default.sieve sieve_dir = ~/sieve trash = /etc/dovecot/dovecot-trash.conf zlib_save = gz zlib_save_level = 6 } protocols = imap sieve pop3 lmtp service anvil { client_limit = 50000 unix_listener anvil-auth-penalty { mode = 00 } } service auth { client_limit = 50000 unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { group = mail mode = 0660 user = vmail } user = root vsz_limit = 1 G } service dict { unix_listener dict { mode = 0660 user = vmail } } service imap-hibernate { unix_listener imap-hibernate { group = $default_internal_group mode = 0660 } } service imap-login { inet_listener imap { address = * port = 143 } inet_listener imaps { address = * port = 993 } process_min_avail = 16 service_count = 1 } service imap { extra_groups = $default_internal_group process_min_avail = 16 unix_listener imap-master { user = $default_internal_user } vsz_limit = 2 G } service lmtp { process_min_avail = 16 unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } vsz_limit = 1 G } service managesieve-login { inet_listener sieve { port = 4190 } process_min_avail = 16 service_count = 1 } service managesieve { vsz_limit = 1 G } service pop3-login { inet_listener pop3 { address = * port = 110 } inet_listener pop3s { address = * port = 995 } process_min_avail = 16 service_count = 1 } service pop3 { process_min_avail = 16 vsz_limit = 1 G } service quota-status { executable = /usr/lib/dovecot/quota-status -p postfix process_min_avail = 16 unix_listener /var/spool/postfix/private/quota-status { group = postfix mode = 0666 user = postfix } } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { mode = 0660 user = vmail } user = vmail } service stats { unix_listener stats-reader { mode = 0660 user = vmail } unix_listener stats-writer { mode = 0666 user = vmail } } ssl_cert = </etc/dovecot/ssl/domain.pem ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_min_protocol = TLSv1 userdb { args = /etc/dovecot/mysql/dovecot-sql.conf driver = sql } protocol imap { imap_max_line_length = 64 k mail_max_userip_connections = 16 mail_plugins = zlib quota mail_log notify trash imap_quota last_login } protocol pop3 { mail_max_userip_connections = 10 mail_plugins = zlib quota mail_log notify last_login pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_fast_size_lookups = yes pop3_no_flag_updates = yes pop3_uidl_format = %08Xu%08Xv } protocol sieve { mail_max_userip_connections = 10 managesieve_max_compile_errors = 5 } protocol lda { auth_socket_path = /var/run/dovecot/auth-master mail_plugins = zlib quota mail_log notify sieve sendmail_path = /usr/lib/sendmail syslog_facility = mail } protocol lmtp { mail_plugins = zlib quota mail_log notify sieve syslog_facility = mail } Any help please? Aurel

2 2

imap_metadata plugin panic
by Elisamuel Resto 23 Mar '22

23 Mar '22

Hello, This may be covered somewhere but recently I enabled the metadata plugin to work with sieve as part of some updates I did a while back and I hadn't checked my logs for any issues with it and so far they're not completely taking my system down. Right now, upon trying to delete a folder I noticed the following in my logs... what am I missing? I see the broken SQL query, but I don't know enough about the dict system or the metadata plugin to know how to add the missing information or fix it otherwise. Regards, Elisamuel Resto Nov 15 12:19:19 wyvern dovecot[461]: dict(51438): Panic: lib-sql: Too many bind args (2) for statement: SELECT meta_key FROM metadata WHERE meta_key LIKE AND username = ? Nov 15 12:19:19 wyvern dovecot[461]: dict(51438): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(backtrace_append+0x43) [0x7f449789d073] -> /usr/lib/dovecot/libdovecot.so.0(backtrace_get+0x20) [0x7f449789d190] -> /usr/lib/dovecot/libdovecot.so.0(+0xfaf1f) [0x7f44978a9f1f] -> /usr/lib/dovecot/libdovecot.so.0(+0xfafb1) [0x7f44978a9fb1] -> /usr/lib/dovecot/libdovecot.so.0(+0x4cd20) [0x7f44977fbd20] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](+0x875a) [0x555e60d7775a] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](sql_statement_query+0x42) [0x555e60d7f262] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](+0xd97f) [0x555e60d7c97f] -> /usr/lib/dovecot/libdovecot.so.0(dict_iterate_values+0x25) [0x7f4497868615] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](+0xa929) [0x555e60d79929] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](+0xb224) [0x555e60d7a224] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](+0xb381) [0x555e60d7a381] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](dict_command_input+0xd9) [0x555e60d7a579] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](+0x95b8) [0x555e60d785b8] -> /usr/lib/dovecot/libdovecot.so.0(connection_input_default+0x15e) [0x7f44978a16ce] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x6b) [0x7f44978bfebb] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x13b) [0x7f44978c15cb] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x51) [0x7f44978bff61] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x41) [0x7f44978c0131] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x14) [0x7f4497831f74] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](main+0x189) [0x555e60d78139] -> /usr/lib/libc.so.6(__libc_start_main+0xd5) [0x7f44972cfb25] -> dovecot/dict [0 clients, 0 lookups:0/0/0/0, 0 iters:0/0/0/0, 0 commits:0/0/0/0](_start+0x2e) [0x555e60d7819e] Nov 15 12:19:19 wyvern dovecot[461]: imap(sam(a)samresto.dev)<51449><+BGq2NfQM/7Pisr9>: Error: Mailbox Trash/Processed: dict_iterate(priv/c841ad0291c27461ac670100a07d9965/) failed: Connection closed (reply took 0.204 secs (0.204 in dict wait, 0.000 in other ioloops, 0.000 in locks)) Nov 15 12:19:19 wyvern dovecot[461]: dict(51438): Fatal: master: service(dict): child 51438 killed with signal 6 (core dumped)

4 12

Dovecot 2.3.18 Panic-Error (name[0] != '\0')
by Aurel Mihai 22 Mar '22

22 Mar '22

Hello, after upgrade to version 2.3.18, we enconter a lot of errors, such as: Mar 22 14:08:32 mail2 dovecot: pop3(user@domain)<52269><3y3GeM3aQ+tWadtM>: Panic: file lib-event.c: line 585 (event_reason_code_prefix): assertion failed: (name[0] != '\0') Mar 22 14:08:32 mail2 dovecot: pop3(user@domain)<52269><3y3GeM3aQ+tWadtM>: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(backtrace_append+0x42) [0x7f7ce322e012] -> /usr/lib/dovecot/libdovecot.so.0(backtrace_get+0x1e) [0x7f7ce322e12e] -> /usr/lib/dovecot/libdovecot.so.0(+0x101d4b) [0x7f7ce323ad4b] -> /usr/lib/dovecot/libdovecot.so.0(+0x101de1) [0x7f7ce323ade1] -> /usr/lib/dovecot/libdovecot.so.0(+0x55519) [0x7f7ce318e519] -> /usr/lib/dovecot/libdovecot.so.0(+0x594e2) [0x7f7ce31924e2] -> dovecot/pop3(client_handle_input+0x1c9) [0x55d5b5efa539] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7f7ce3250f79] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x96) [0x7f7ce3251066] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x40) [0x7f7ce32511e0] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f7ce31c4003] -> dovecot/pop3(main+0x2e6) [0x55d5b5ef81f6] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f7ce2f93d0a] -> dovecot/pop3(_start+0x2a) [0x55d5b5ef838a] Mar 22 14:08:32 mail2 dovecot: pop3(user@domain)<52269><3y3GeM3aQ+tWadtM>: Fatal: master: service(pop3): child 52269 killed with signal 6 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps) # dovecot -n # 2.3.18 (9dd8408c18): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.18 (0bc28b32) # OS: Linux 5.10.0-12-amd64 x86_64 Debian 11.2 # Hostname: auth_cache_verify_password_with_worker = yes auth_failure_delay = 5 secs auth_mechanisms = plain login auth_verbose = yes auth_worker_max_count = 256 default_client_limit = 10000 default_process_limit = 10000 default_vsz_limit = 1 G dict { lastlogin = mysql:/etc/dovecot/mysql/dovecot-dict-lastlogin.conf quotadict = mysql:/etc/dovecot/mysql/dovecot-dict-quota.conf } disable_plaintext_auth = no first_valid_uid = 100 imap_hibernate_timeout = 5 secs imap_idle_notify_interval = 3 mins log_timestamp = "%Y-%m-%d %H:%M:%S " login_log_format_elements = user=<%u> method=%m rip=%r lip=%l pid=%p %c login_trusted_networks = mail_fsync = always mail_gid = 8 mail_home = /home/virtual0/%d/%n mail_location = maildir:~/Maildir mail_nfs_index = yes mail_nfs_storage = yes mail_plugins = zlib quota mail_log notify mail_privileged_group = mail mail_uid = 150 maildir_stat_dirs = 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 ihave metric imap_command { filter = event=imap_command_finished AND tagged_reply_state=OK group_by = cmd_name } metric imap_select_no { filter = event=imap_command_finished AND cmd_name=SELECT AND tagged_reply_state=NO } metric imap_select_no_notfound { filter = event=imap_command_finished AND cmd_name=SELECT AND tagged_reply="NO*Mailbox doesn't exist:*" } metric storage_http_gets { filter = event=http_request_finished AND category=storage AND method=get } mmap_disable = yes namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Spam { auto = subscribe autoexpunge = 30 days special_use = \Junk } mailbox Trash { auto = subscribe autoexpunge = 60 days special_use = \Trash } mailbox virtual/All { special_use = \All } prefix = } passdb { args = /etc/dovecot/mysql/dovecot-sql.conf driver = sql } plugin { last_login_dict = proxy::lastlogin last_login_key = # hidden, use -P to show it mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size quota = dict:user::proxy::quotadict quota_rule2 = Trash:ignore quota_rule3 = Spam:ignore quota_status_nouser = DUNNO quota_status_overquota = 552 5.2.2 The email account that you tried to reach is over quota quota_status_success = DUNNO quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_before = /etc/dovecot/sieve/default.sieve sieve_dir = ~/sieve trash = /etc/dovecot/dovecot-trash.conf zlib_save = gz zlib_save_level = 6 } protocols = imap sieve pop3 lmtp service anvil { client_limit = 50000 unix_listener anvil-auth-penalty { mode = 00 } } service auth { client_limit = 50000 unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { group = mail mode = 0660 user = vmail } user = root vsz_limit = 1 G } service dict { unix_listener dict { mode = 0660 user = vmail } } service imap-hibernate { unix_listener imap-hibernate { group = $default_internal_group mode = 0660 } } service imap-login { inet_listener imap { address = * port = 143 } inet_listener imaps { address = * port = 993 } process_min_avail = 16 service_count = 1 } service imap { extra_groups = $default_internal_group process_min_avail = 16 unix_listener imap-master { user = $default_internal_user } vsz_limit = 2 G } service lmtp { process_min_avail = 16 unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } vsz_limit = 1 G } service managesieve-login { inet_listener sieve { port = 4190 } process_min_avail = 16 service_count = 1 } service managesieve { vsz_limit = 1 G } service pop3-login { inet_listener pop3 { address = * port = 110 } inet_listener pop3s { address = * port = 995 } process_min_avail = 16 service_count = 1 } service pop3 { process_min_avail = 16 vsz_limit = 1 G } service quota-status { executable = /usr/lib/dovecot/quota-status -p postfix process_min_avail = 16 unix_listener /var/spool/postfix/private/quota-status { group = postfix mode = 0666 user = postfix } } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { mode = 0660 user = vmail } user = vmail } service stats { unix_listener stats-reader { mode = 0660 user = vmail } unix_listener stats-writer { mode = 0666 user = vmail } } ssl_cert = </etc/dovecot/ssl/domain.pem ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_min_protocol = TLSv1 userdb { args = /etc/dovecot/mysql/dovecot-sql.conf driver = sql } protocol imap { imap_max_line_length = 64 k mail_max_userip_connections = 16 mail_plugins = zlib quota mail_log notify trash imap_quota last_login } protocol pop3 { mail_max_userip_connections = 10 mail_plugins = zlib quota mail_log notify last_login pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_fast_size_lookups = yes pop3_no_flag_updates = yes pop3_uidl_format = %08Xu%08Xv } protocol sieve { mail_max_userip_connections = 10 managesieve_max_compile_errors = 5 } protocol lda { auth_socket_path = /var/run/dovecot/auth-master mail_plugins = zlib quota mail_log notify sieve sendmail_path = /usr/lib/sendmail syslog_facility = mail } protocol lmtp { mail_plugins = zlib quota mail_log notify sieve syslog_facility = mail } Any help please? Aurel

1 0

Disconnected: Shutting down (disconnected while authenticating) :: after mysql restart :: bug?
by rudolf＠padaru.de 17 Mar '22

17 Mar '22

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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