- dovecot - dovecot.org

Random duplicated emails
by Francis 11 Sep '19

11 Sep '19

Hello, I migrated our mail infrastructure to Dovecot on Ubuntu 18.04 some months ago. It works fine, but recently some users told me that they sometime receive duplicated emails. Same email content, same headers including message-id. I'm using two dovecot servers on two sites. Both server are in cluster. We don't use shared folders. All users that reported this issue so far are using the same server instance. The problematic emails are coming from local users on that instance too. The examples they given to me was emails with many recipients (To/CC). A specific message can be received twice (or more) by recipient A but only once by recipient B. I didn't see anything in the logs about sieve rules that redirect emails to others recipients. Where should I look to diagnostic this issue? Thanks. Server config: # 2.2.33.2 (d6601f4ec): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.21 (92477967) doveconf: Warning: service auth { client_limit=1000 } is lower than required under max. load (2500) doveconf: Warning: service anvil { client_limit=1000 } is lower than required under max. load (1503) # OS: Linux 4.15.0-60-generic x86_64 Ubuntu 18.04.3 LTS auth_default_realm = **edited** auth_master_user_separator = * auth_mechanisms = plain login default_process_limit = 500 first_valid_uid = 200 last_valid_uid = 200 mail_location = mbox:~/mail:INBOX=/var/mail/%u mail_plugins = " notify replication zlib quota" mail_privileged_group = mail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext vnd.dovecot.debug mdbox_rotate_size = 10 M namespace inbox { inbox = yes location = mailbox "Éléments envoyés" { special_use = \Sent } mailbox "Éléments supprimés" { special_use = \Trash } mailbox Brouillon { special_use = \Drafts } mailbox "Courrier indésirable" { special_use = \Junk } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = INBOX/ separator = / } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } passdb { args = /etc/dovecot/passwd.masterusers driver = passwd-file master = yes } plugin { mail_replica = tcps:**edited**:53683 quota = count:User quota quota_grace = 10%% quota_rule = *:storage=10G quota_rule2 = INBOX/Trash:storage=+100M quota_status_nouser = DUNNO quota_status_overquota = 552 5.2.2 La boite courriel du destinataire est pleine - Mailbox is full quota_status_success = DUNNO quota_vsizes = yes quota_warning = storage=100%% quota-warning 100 %u quota_warning2 = storage=95%% quota-warning 95 %u quota_warning3 = storage=90%% quota-warning 90 %u quota_warning4 = storage=85%% quota-warning 85 %u quota_warning5 = storage=75%% quota-warning 75 %u quota_warning6 = -storage=80%% quota-warning '-80' %u quota_warning7 = -storage=100%% quota-warning '-100' %u sieve = /var/vmail/domains/%Ld/%Ln/.dovecot.sieve sieve_before = /var/vmail/sieve/before.sieve sieve_default = /var/vmail/sieve/default.sieve sieve_extensions = +vnd.dovecot.debug sieve_global = /var/vmail/sieve/global zlib_save = lz4 } protocols = " imap lmtp sieve" service auth { unix_listener /var/spool/postfix/private/auth { mode = 0666 } unix_listener auth-userdb { group = vmail mode = 0666 user = vmail } } service imap-login { inet_listener imap { port = 0 } process_min_avail = 10 } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0660 user = postfix } } service quota-status { client_limit = 1 executable = quota-status -p postfix inet_listener { address = **edited** port = 53684 } } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { user = vmail } } ssl = required ssl_cert = </etc/ssl/**edited**/**edited**.crtbundle ssl_client_ca_dir = /etc/ssl/certs ssl_key = # hidden, use -P to show it userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocol lmtp { mail_plugins = " notify replication zlib quota sieve" postmaster_address = postmaster@**edited** } protocol imap { mail_plugins = " notify replication zlib quota imap_zlib imap_quota" } -- Francis

4 4

Dovecot Director upgrade from 2.2 to 2.3
by Alessio Cecchi 10 Sep '19

10 Sep '19

Hi, I have a setup with 3 Dovecot Director v2.2.36 and director_consistent_hashing = yes ;-) Now I would like to upgrade to 2.3.7, first only Director and after also Backend. Can works fine a ring of director with mixed 2.2 and 2.3 version? Mi idea is to setup a new Director server with 2.3, stop one server with 2.2 and insert the new 2.3 in the current ring to check if works fine. If all works fine I will replace all Director 2.2 with 2.3 version. Thanks -- Alessio Cecchi Postmaster @ http://www.qboxmail.it https://www.linkedin.com/in/alessice

2 6

dovecot duplicate emails
by Битус Павел 10 Sep '19

10 Sep '19

Hello. I have problems with duplicate emails when using replication and configured message filters on the client. Looks like when letter comes, it processed by replication and immediately after this processed by filter on client and moved to another folder. When it arrives to slave server into INBOX, it replicated back to master into INBOX and only after that - slave receives MOVE command. The only thing I see in the log is that the letter comes 2 times with same msgid: Sep 10 15:01:31 lmtp(USERNAME(a)DOMAIN.com.ua)<9306><UD3fJJuQd11aJAAA8J4ONg>: Info: sieve: msgid=<f3701949-360e-e15d-3d76-7465f23fb0ba(a)DOMAIN.com.ua>: stored mail into mailbox 'INBOX' Sep 10 15:01:31 indexer-worker(USERNAME(a)DOMAIN.com.ua)<12248><UD3fJJuQd11aJAAA8J4ONg:GEsdNJuQd13YLwAA8J4ONg>: Info: Indexed 1 messages in INBOX (UIDs 55963..55963) Sep 10 15:01:32 imap(USERNAME(a)DOMAIN.com.ua)<9674><zqysnTGSU8tYUeJ+>: Info: copy from INBOX: box=INBOX.Jira, uid=5034, msgid=<f3701949-360e-e15d-3d76-7465f23fb0ba(a)DOMAIN.com.ua>, size=23393 Sep 10 15:01:32 imap(USERNAME(a)DOMAIN.com.ua)<9674><zqysnTGSU8tYUeJ+>: Info: expunge: box=INBOX, uid=55963, msgid=<f3701949-360e-e15d-3d76-7465f23fb0ba(a)DOMAIN.com.ua>, size=23393 Sep 10 15:01:32 indexer-worker(USERNAME(a)DOMAIN.com.ua)<12248><zqysnTGSU8tYUeJ+:oC6vHZyQd13YLwAA8J4ONg>: Info: Indexed 1 messages in INBOX.Jira (UIDs 5034..5034) Sep 10 15:01:33 indexer-worker(USERNAME(a)DOMAIN.com.ua)<12248><pQBKNpuQd13/OgAA8J4ONg:WIrkC52Qd13YLwAA8J4ONg>: Info: Indexed 1 messages in INBOX (UIDs 55964..55964) Sep 10 15:01:33 imap(USERNAME(a)DOMAIN.com.ua)<9674><zqysnTGSU8tYUeJ+>: Info: copy from INBOX: box=INBOX.Jira, uid=5035, msgid=<f3701949-360e-e15d-3d76-7465f23fb0ba(a)DOMAIN.com.ua>, size=23393 Sep 10 15:01:33 imap(USERNAME(a)DOMAIN.com.ua)<9674><zqysnTGSU8tYUeJ+>: Info: expunge: box=INBOX, uid=55964, msgid=<f3701949-360e-e15d-3d76-7465f23fb0ba(a)DOMAIN.com.ua>, size=23393 Sep 10 15:01:34 indexer-worker(USERNAME(a)DOMAIN.com.ua)<9417><zqysnTGSU8tYUeJ+:gKqSOJ2Qd13JJAAA8J4ONg>: Info: Indexed 1 messages in INBOX.Jira (UIDs 5035..5035) Can you help me with this problem? dovecot --version 2.3.7.2 (3c910f64b) dovecot -n # 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.7.2 (7372921a) # OS: Linux 4.19.66-gentoo x86_64 Gentoo Base System release 2.6 # Hostname: leon.DOMAIN.com.ua auth_cache_negative_ttl = 30 secs auth_cache_size = 256 M auth_cache_verify_password_with_worker = yes auth_gssapi_hostname = $ALL auth_krb5_keytab = /etc/krb5.keytab auth_mechanisms = gssapi ntlm plain login cram-md5 digest-md5 auth_worker_max_count = 2048 debug_log_path = /var/log/dovecot/dovecot_debug.log default_client_limit = 8492 default_vsz_limit = 2 G dict { lastlogin = mysql:/etc/dovecot/dovecot-dict-sql-lastlogin.conf } doveadm_password = # hidden, use -P to show it first_valid_uid = 8 imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags listen = * log_path = /var/log/dovecot/dovecot.log mail_attribute_dict = file:%h/Maildir/dovecot-attributes mail_fsync = never mail_gid = mail mail_location = maildir:%h mail_max_keyword_length = 4096 mail_plugins = " notify replication zlib fts fts_solr mail_log notify" mail_uid = mail 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 index ihave duplicate mime foreverypart extracttext mbox_lazy_writes = no metric imap_commands { event_name = imap_command_finished } namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } passdb { args = /etc/dovecot/dovecot-ldap-people.conf.ext driver = ldap } passdb { args = /etc/dovecot/dovecot-ldap-calendar.conf.ext driver = ldap } plugin { fts = solr fts_autoindex = yes fts_autoindex_max_recent_msgs = 100 fts_solr = url=http://SOLR_IP_ADDRESS:8983/solr/dovecot/ last_login_dict = proxy::lastlogin mail_log_cached_only = yes mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size mail_replica = tcp:REPLICATE.DOMAIN.com.ua:4092 replication_dsync_parameters = -d -N -l 30 -U replication_full_sync_interval = 7 days sieve = file:~/sieve;active=~/.dovecot.sieve sieve_before = /etc/dovecot/sieve/default.sieve sieve_before2 = /etc/dovecot/sieve/default_spam.sieve zlib_save = gz zlib_save_level = 9 } postmaster_address = root(a)DOMAIN.com.ua protocols = imap pop3 lmtp sieve replication_max_conns = 50 service aggregator { fifo_listener replication-notify-fifo { user = mail } unix_listener replication-notify { user = mail } } service auth { unix_listener auth-client { mode = 0660 user = mail } unix_listener auth-master { mode = 0600 user = mail } unix_listener auth-userdb { mode = 0600 user = mail } } service config { unix_listener config { mode = 0600 user = mail } } service dict { unix_listener dict { group = mail mode = 0600 user = mail } } service doveadm { inet_listener { port = 4092 } } service imap-login { process_min_avail = 8 service_count = 0 vsz_limit = 256 M } service imap { client_limit = 10 process_limit = 4096 process_min_avail = 50 service_count = 100 } service lmtp { process_limit = 70 process_min_avail = 20 } service managesieve-login { inet_listener sieve { port = 4190 } } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { port = 0 } } service replicator { process_min_avail = 1 unix_listener replicator-doveadm { group = mail mode = 0660 } vsz_limit = 20 G } ssl_cert = </etc/ssl/my_certs/fullchain1.pem ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } userdb { args = /etc/dovecot/dovecot-ldap-people.conf.ext driver = ldap } userdb { args = uid=mail gid=mail home=/home/DOMAIN.com.ua/%Ln username_format=%Ln(a)DOMAIN.com.ua mail=maildir:/home/DOMAIN.com.ua/%Ln:UTF-8 driver = static } protocol lmtp { auth_username_format = %Lu mail_fsync = optimized mail_plugins = " notify replication zlib fts fts_solr mail_log notify sieve" } protocol lda { mail_fsync = optimized } protocol imap { imap_idle_notify_interval = 5 mins imap_max_line_length = 4 M imap_metadata = yes mail_max_userip_connections = 2048 mail_plugins = " notify replication zlib fts fts_solr mail_log notify fts fts_solr last_login" } protocol sieve { managesieve_max_line_length = 65536 }

1 0

New to dovecot admin, question about testing a dovecot configuration
by Gerben Wierda 10 Sep '19

10 Sep '19

I am new to dovecot administration, not new to postfix administration. When setting up a new postfix/dovecot combo from scratch, can I start with dovecot alone and still be able to test it? E.g. can I address the local delivery agent with some sort of test email? If so, how? I haven’t been able to find it in the wiki. Gerben Wierda Chess and the Art of Enterprise Architecture <https://ea.rna.nl/the-book/> Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/> Architecture for Real Enterprises <https://www.infoworld.com/blog/architecture-for-real-enterprises/> at InfoWorld On Slippery Ice <https://eapj.org/on-slippery-ice/> at EAPJ

1 0

Force dovecot-uidlist reset
by Tom Sommer 09 Sep '19

09 Sep '19

Is there a way to force Dovecot to rebuild dovecot-uidlist from zero? It seems deleting all indexes and dovecot-* files followed by "doveadm force-resync" is not enough? It just gets the same UIDs? Perhaps from Maildir filenames? But I would like to reset the uid of all mails. Thanks -- Tom

1 1

doveadm mailbox list
by Daniel Miller 08 Sep '19

08 Sep '19

It's quite likely I'm doing it wrong, but... Given a valid mailbox... doveadm mailbox list -u <username> realmb returns "realmb" doveadm mailbox list -u <username> real* returns "realmb" Seems reasonable. Now, with a non-existent mailbox... doveadm mailbox list -u <username> bogus returns "bogus" doveadm mailbox list -u <username> bogus* returns "" Is this a bug or correct behavior? -- Daniel

2 1

TLS not working with iOS beta?
by Henrik Johansson 08 Sep '19

08 Sep '19

Hi, Have anyone else experienced problems using Dovecot with the mail app in beta releases of iOS/iPadOS 13? TLS is failing for my, it have worked fine for years and I am on the latest Dovecot version now, it works fine with older clients but not with the ones upgraded: Sep 04 19:49:16 imap-login: Debug: SSL: where=0x10, ret=1: before/accept initialization Sep 04 19:49:16 imap-login: Debug: SSL: where=0x2001, ret=1: before/accept initialization Sep 04 19:49:16 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv2/v3 read client hello A Sep 04 19:49:16 imap-login: Debug: SSL alert: where=0x4008, ret=552: fatal handshake failure Sep 04 19:49:16 imap-login: Debug: SSL: where=0x2002, ret=-1: error Sep 04 19:49:16 imap-login: Debug: SSL: where=0x2002, ret=-1: error Sep 04 19:49:16 imap-login: Debug: SSL error: SSL_accept() failed: error:1408A0C1:SSL routines:ssl3_get_client_hello:no shared cipher Sep 04 19:49:16 imap-login: Debug: SSL: where=0x2002, ret=-1: error Sep 04 19:49:16 imap-login: Debug: SSL error: SSL_accept() failed: error:140800FF:SSL routines:ssl3_accept:unknown state Sep 04 19:49:16 imap-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=11.22.33.44, lip=11.22.33.44, TLS handshaking: SSL_accept() failed: error:140800FF:SSL routines:ssl3_accept:unknown state, session=<lz7m2r2rjPouOvrk> Working client: Sep 04 19:57:58 imap-login: Debug: SSL: where=0x10, ret=1: before/accept initialization Sep 04 19:57:58 imap-login: Debug: SSL: where=0x2001, ret=1: before/accept initialization Sep 04 19:57:58 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv2/v3 read client hello A Sep 04 19:57:58 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 read client hello A Sep 04 19:57:58 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 write server hello A Sep 04 19:57:58 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 write certificate A Sep 04 19:58:01 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 write key exchange A Sep 04 19:58:01 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 write server done A Sep 04 19:58:01 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 flush data Sep 04 19:58:01 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 read client certificate A Sep 04 19:58:01 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv3 read client key exchange A Sep 04 19:58:01 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv3 read client key exchange A Sep 04 19:58:01 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv3 read client key exchange A Sep 04 19:58:01 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv3 read client key exchange A Sep 04 19:58:03 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 read client key exchange A Sep 04 19:58:03 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 read certificate verify A Sep 04 19:58:03 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv3 read finished A Sep 04 19:58:03 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 read finished A Sep 04 19:58:03 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 write change cipher spec A Sep 04 19:58:03 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 write finished A Sep 04 19:58:03 imap-login: Debug: SSL: where=0x2001, ret=1: SSLv3 flush data Sep 04 19:58:03 imap-login: Debug: SSL: where=0x20, ret=1: SSL negotiation finished successfully Sep 04 19:58:03 imap-login: Debug: SSL: where=0x2002, ret=1: SSL negotiation finished successfully Sep 04 19:58:03 imap-login: Info: Login: user=<username>, method=LOGIN, rip=11.22.33.44, lip=11.22.33.44, mpid=28781, TLS, TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits), session=<LklR9r2Vtb4uOzra> Config: # egrep -v "^#|^$" 10-ssl.conf 10-auth.conf 10-ssl.conf:ssl = required 10-ssl.conf:ssl_cert = </path/to/fullchain.pem 10-ssl.conf:ssl_key = </path/to/privkey.pem 10-ssl.conf:ssl_dh = </path/to/dh.pem 10-ssl.conf:ssl_min_protocol = TLSv1.1 10-ssl.conf:ssl_cipher_list = ALL:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH 10-auth.conf:disable_plaintext_auth = yes 10-auth.conf:auth_mechanisms = login 10-auth.conf:!include auth-system.conf.ext # dovecot --version 2.3.7.2 (3c910f64b) Anyone seeing something similar and/or have suggestions on how to proceed? Regards Henrik

4 7

intermittent failures when reuse_port is enabled
by Imre Rad 08 Sep '19

08 Sep '19

I'm encountering connection issues to Dovecot when reuse_port is activated. Some of the connections work fine, but about every 3rd of them does not receive the banner after the TCP connection has established: # nc -v 10.6.7.133 143 Connection to 10.6.7.133 143 port [tcp/imap2] succeeded! * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Hello. ^C # nc -v 10.6.7.133 143 Connection to 10.6.7.133 143 port [tcp/imap2] succeeded! * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Hello. ^C # nc -v 10.6.7.133 143 Connection to 10.6.7.133 143 port [tcp/imap2] succeeded! ^C The relevant processes listening on this port: # netstat -nap|grep 143 tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN 15110/dovecot/imap- tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN 15103/dovecot/imap- tcp 5 0 0.0.0.0:143 0.0.0.0:* LISTEN 15100/dovecot After removing the reuse_port = yes configuration directive there is only one single process listening (and the service is running without any issues): # netstat -nap|grep 143 tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN 15292/dovecot The test config was Linux 4.9.0-4-amd64 on debian-stretch and dovecot-2.2.36.4 (compiled by me) running on a VM with 1 CPU core. If that matters, dovecot was started in a docker container but using the hosts's network namespace. What am I missing? Thanks, Imre

1 0

configure: error: fd passing is required for Dovecot to work
by zahn 06 Sep '19

06 Sep '19

Hello I changed our old gcc compiler from the version: gcc-4.1.2-13.fc6 to the newer one: gcc version 8.3.0 (GCC). Then I wanted to compile: Dovecot 2.3.7 and I get the following error with ./configure CPPFLAGS="-I/usr/local/openssl/include" \ LDFLAGS="-L/usr/local/openssl/lib" \ ./configure --prefix=/usr/local/dovecot \ --disable-static \ --with-ssl=openssl checking whether fd passing works... no configure: error: fd passing is required for Dovecot to work With the old Compiler configure works well. I couldn't find a solution on the Internet - can you help me ? -- Schöne Grüsse aus Oberdiessbach Martin Zahn Akadia AG Martin Zahn Software Ing. HTL Oracle Certificate Professional Information Technology Fichtenweg 10 CH-3672 Oberdiessbach Tel: +41 79 410 27 87 Web: www.akadia.com E-Mail: martin.zahn(a)akadia.com

3 2

Namespace structure
by Daniel Miller 06 Sep '19

06 Sep '19

Is the following "legal" for Dovecot? And...is this separation recommended or a bad idea? Particularly I'm asking about the "archives" namespace - I haven't actually implemented this yet and I'm checking before I break something. 10-mail.conf # Primary private namespace # Using sdbox for storage namespace inbox { type = private separator = / prefix = location = sdbox:/var/mail/%d/%n/sdbox inbox = yes hidden = no list = yes subscriptions = yes } # For long-term archival namespace archives { type = private separator = / prefix = Archives/ location = mdbox:/var/mail/%d/%n/Archives/mdbox subscriptions = no list = children } # Shared mailboxes mail_shared_explicit_inbox = yes namespace usershares { type = shared separator = / prefix = shared/%%n/ location = sdbox:/var/mail/%%d/%%n/sdbox subscriptions = no list = children } # Virtual mailboxes - for server-side searches namespace virtual { prefix = virtual/ separator = / location = virtual:/var/mail/%d/%n/virtual subscriptions = no list = children } -- Daniel

1 0

login failure after upgrade to dovecot 2.3.7.2
by MK 05 Sep '19

05 Sep '19

Hi List, after upgrading dovecot from version 2.2.33.2 to 2.3.7.2 I got a lot of error messages like the following if the process count of imap processes reaches nearly 1000 (~950 (there are a few pop-connections)). Sep 5 11:27:32 mailbox1 dovecot: imap-login: Internal login failure (pid=27728 id=116): user=<xxxx(a)xxxx.xx>, method=PLAIN, rip=x.x.x.x, lip=x.x.x.x, session=<qETa7cqRzpZV3IEw> Sep 5 11:27:33 mailbox1 dovecot: imap-login: Error: master(imap): net_connect_unix(imap) failed: Resource temporarily unavailable - http://wiki2.dovecot.org/SocketUnavailable (client-pid=27704, client-id=79, rip=x.x.x.x, created 511 msecs ago, received 0/4 bytes) Our setup consists of some servers with dovecot as proxy/redirector as frontend servers, redirecting the logged in users to the backend servers storing the mailboxes. OS is CentOS 6 on both server types. The backend server in question has usually ~ 2500 simultaneous imap connections. Before the update there where no problems. During the update I merged the old 2.2 config into the new 2.3 from the fresh installed binary (Repo from dovecot.org) As I found the failure above in the logfile I testet a lot, to figure out how to fix this, because for me it seemed to be some limit around 1000 connections/processes anywhere in the config. In the end I changed the default value of "default_client_limit" from ist default 1000 to 8192 and the problem was fixed for the moment. Now I'm trying to understand why this fixes the problem and what the difference is between 2.2 and 2.3. For me it seems like something changed in the architecture during the release change, but I didn't find anything. I looked into the release notes and also checked the differences beween the 2.2 and 2.3 default config values (using doveconf -d). Can anyone help? Here is the output of doveconf -n # 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.7.2 (7372921a) # OS: Linux 2.6.32-696.23.1.el6.x86_64 x86_64 CentOS release 6.10 (Final) auth_mechanisms = plain login default_client_limit = 8192 disable_plaintext_auth = no mail_location = mdbox:%h mail_plugins = quota zlib managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { quota = dict:User quota::file:%h/dovecot-quota quota_warning = storage=90%% quota-warning 90 %u sieve = file:~/sieve;active=~/.dovecot.sieve zlib_save = gz zlib_save_level = 6 } pop3_client_workarounds = outlook-no-nuls oe-ns-eoh protocols = imap pop3 lmtp sieve service imap-login { process_min_avail = 12 service_count = 0 } service imap { process_limit = 8192 } service lmtp { inet_listener lmtp { address = * port = 24 } } service pop3-login { process_min_avail = 12 service_count = 0 } service pop3 { process_limit = 1024 } service quota-warning { executable = script /scripts/quota.sh unix_listener quota-warning { user = vmail } user = vmail } ssl = no userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } verbose_proctitle = yes protocol lmtp { mail_plugins = quota zlib sieve } protocol imap { mail_max_userip_connections = 30 mail_plugins = quota zlib imap_quota } protocol pop3 { mail_plugins = quota zlib } greetings, Oliver

1 0

dsync and altpath on shared storage.
by Peter Mogensen 05 Sep '19

05 Sep '19

Hi, I was wondering... If one had mdbox ALT path set to a shared storage mount (say, on NFS) and one wanted to move a mailbox to a different host... I guess it in principle wouldn't be necessary to copy all the ALT storage through dsync, when the volume could just be mounted on the new host. Is there anyway for dsync to avoid moving Gigabytes of data for could just be "moved" by moving the mount? /Peter

2 6

Different passdb backends for different services
by lists＠mlserv.org 05 Sep '19

05 Sep '19

Hi, as Dovecot supports submission, which is the sending direction, I am interested to know, if I can configure a separate passdb backend just for submission. I habe LDAP attributes that differ sending or receiving permissions. It would be nice, if I had a second passdb backend just for submission, which has a LDAP filter for locking this service. Example for IMAP, POP3, Sieve: (&(mail=%s)(mailAllowIncoming=TRUE)) Example for Submission: (&(mail=%s)(mailAllowOutgoing=TRUE)) Use case is to lock compromised accounts that send spam. An operator can notify the account owner by placing a warning messegae into his/her mailbox. Is this possible? Thanks in advance Christian

3 9

Global ACL in SQL or LDAP possible?
by lists＠mlserv.org 04 Sep '19

04 Sep '19

Hi, Can global ACLs for public folders be stored in SQL or LDAP instead of a dovecot-acl file? I could only find something for shared folders, but not for public folders? Thanks in advance Christian

1 1

Server administration
by Aleksandr Mette 04 Sep '19

04 Sep '19

Dear Sirs, There is Postfix+Dovecot+Sogo installation in our company. I have attentively red Installation and Configuration Guide. However, I could not find some information. Could you give me an advise how to: 1. Add/remove e-mail address 2. Change user e-mail address password 3. Add user e-mail address into mail alias 4. Forward e-mail 5. List all users e-mails What is the best GUI interface for Dovecot administration? With kind regards, Alex

9 14

How are imap images supposed to be stored
by d.gentner＠m4ever.de 04 Sep '19

04 Sep '19

Hello. This is a question about the imap protocol, since I am having a hard time finding these things out, so I hope you guys can help me. We are using Dovecot to receive mails and having an issue with Thunderbird. Basically, we are running into this bug with a lot of people: https://bugzilla.mozilla.org/show_bug.cgi?id=216308. <https://bugzilla.mozilla.org/show_bug.cgi?id=216308> The gist of it is, that sometimes, when there is an image linked with the imap:// protocol in the mail, then Thunderbird wants to subscribe to the folder that contains this mail, but fails. If I pull the mail off the server, it also has that link in the raw mail. However, most mails store the images as a base64 code block. I have actually seen mails getting changed over night, from imap:// links to base64 code blocks, but I can't reproduce that. All computers are supposed to have the same Thunderbird version and they do. My questions right now are: * Speaking about the general imap/mail protocol, do mails store images as base64 or imap:// links. What is the standard here? * Is there anything we can do to prevent Thunderbird from running into this bug? We are using Dovecot 2.2.36.4 * What can cause an email getting changed over night or getting synced back with the base64 blocks? It was already read, when we ran into the issue. With best regards, Domeniko Gentner

2 1

Mailcrypt plugin private password
by info＠unkn0wn3d.com 04 Sep '19

04 Sep '19

Hello there, is there a way to make the mailcrypt plugin use the user's password or at least store it in a hashed value? I'm using a passwd file for authentication. I feel uncomfortable saving the private password in plaintext in that file. Regards

2 5

plugin for IMAP protocol to modifie any email
by Matthew Brown 04 Sep '19

04 Sep '19

is there a plugin or anyway I can modifie any email content ? I would like to change body text, headers, attachments

3 3

CVE-2019-11500: Critical vulnerability in Dovecot and Pigeonhole
by Aki Tuomi 04 Sep '19

04 Sep '19

Dear subscribers, we have been made aware of critical vulnerability in Dovecot and Pigeonhole. --- Open-Xchange Security Advisory 2019-08-14 Product: Dovecot Vendor: OX Software GmbH Internal reference: DOV-3278 Vulnerability type: Improper input validation (CWE-20) Vulnerable version: All versions prior to 2.3.7.2 and 2.2.36.4 Vulnerable component: IMAP and ManageSieve protocol parsers (before and after login) Report confidence: Confirmed Solution status: Fixed by Vendor Fixed version: 2.3.7.2, 2.2.36.4 Researcher credits: Nick Roessler and Rafi Rubin, University of Pennsylvania Vendor notification: 2019-04-13 Solution date: 2019-06-05 Public disclosure: 2019-08-28 CVE reference: CVE-2019-11500 CVSS: 8.1 (CVSS3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) Vulnerability Details: IMAP and ManageSieve protocol parsers do not properly handle NUL byte when scanning data in quoted strings, leading to out of bounds heap memory writes. Risk: This vulnerability allows for out-of-bounds writes to objects stored on the heap up to 8096 bytes in pre-login phase, and 65536 bytes post-login phase, allowing sufficiently skilled attacker to perform complicated attacks that can lead to leaking private information or remote code execution. Abuse of this bug is very difficult to observe, as it does not necessarily cause a crash. Attempts to abuse this bug are not directly evident from logs. Steps to reproduce: This bug is best observed using valgrind to see the out of bounds read with following snippet: perl -e 'print "a id (\"foo\" \"".("x"x1021)."\\A\" \"bar\" \"\000".("x"x1020)."\\A\")\n"' | nc localhost 143 Solution: Operators should update to the latest Patch Release. There is no workaround for the issue. --- Aki Tuomi Open-Xchange oy

8 14

Dovecot and Apple's Mail.app not playing nicely?
by Coy Hile 03 Sep '19

03 Sep '19

Hi all, Is there anything cute one has to take into account when using Dovecot with users of Apple’s Mail.app? Behavior I’m seeing is that if I delete or move messages via Webmail (Roundcube, Horde, or even ActiveSync via Mail.app on my phone), they do get moved or deleted. However, if I take the same actions in the desktop mail client, when logging in to the Webmail (or phone) app, I see the messages still seeming to be in the Inbox. Is this known behavior? A peculiarity in Apple Mail? -- Coy Hile coy.hile(a)coyhile.com

4 5

Re: Re: Quota count and clone questions
by Bratislav ILIC 03 Sep '19

03 Sep '19

Hi, I presume you figured this out after all this time, but in any case. Since quota_clone is not cumulative, it always inserts new record with actual quota, to be able to get correct results in postfixadmin one must: DROP TRIGGER mergequota2 ON quota2; And to prevent ERROR: duplicate key value violates unique constraint "quota2_pkey": CREATE FUNCTION public.clone_quota2() RETURNS trigger LANGUAGE plpgsql AS $$ BEGIN UPDATE quota2 SET bytes = NEW.bytes, messages = NEW.messages WHERE username = NEW.username; IF found THEN RETURN NULL; ELSE RETURN NEW; END IF; END; $$; And then: CREATE TRIGGER clonequota2 BEFORE INSERT ON quota2 FOR EACH ROW EXECUTE PROCEDURE public.clone_quota2() ; And finally just put: quota_clone_dict = proxy::sqlquota Hope this helps somebody trying to figure out this too. > I figured out that I can't just drop maintaining quota2 if I want > postfixadmin to report the quota status. > > I also figured out a way to run a test on my config guesses. I will try > to fit it in today, or tomorrow. But any advise to the questions below > are welcomed! > >>On 2/13/19 8:53 PM, Robert Moskowitz via dovecot wrote: >> all this almost reads like I can drop maintaining the quota2 table? >> >> From https://wiki.dovecot.org/Quota/Count >> >> mailbox_list_index = yes >> # Avoid spending excessive time waiting for the quota calculation to >> finish when >> # mails' vsizes aren't already cached. If this many mails are opened, >> finish the >> # quota calculation on background in indexer-worker process. Mail >> deliveries will >> # be assumed to succeed, and explicit quota lookups will return >> internal error. >> mail_vsize_bg_after_count = 100 >> >> seems to belong in 10-mail.conf. That is where those var are shown. >> >> But: >> >> >> plugin { >> # 10MB quota limit >> quota = count:User quota >> quota_rule = *:storage=10M >> >> # This is required - it uses "virtual sizes" rather than "physical >> sizes" for quota counting: >> quota_vsizes = yes >> } >> >> I am having problems with. Right now for quota I have: >> >> plugin { >> quota = dict:user::proxy::sqlquota >> trash = /etc/dovecot/dovecot-trash.conf.ext >> } >> >> How do I reconcile these two? >> >> Then for clone: https://wiki.dovecot.org/Plugins/QuotaClone >> >> how does: >> >> mail_plugins = $mail_plugins quota quota_clone >> plugin { >> quota_clone_dict = redis:host=127.0.0.1:port=6379 >> } >> >> get replaced with something for mysql? >> >> dovecot-sql.conf.ext: >> >> driver = mysql >> connect = host=/var/lib/mysql/mysql.sock dbname=postfix user=postfix >> password=$Postfix_Database_Password >> default_pass_scheme = $cryptsha-CRYPT >> # following should all be on one line. >> password_query = SELECT username as user, password, >> concat('/home/vmail/', maildir) as userdb_home, >> concat('maildir:/home/vmail/', maildir) as userdb_mail, 101 as >> userdb_uid, 12 as userdb_gid FROM mailbox WHERE username = '%u' AND >> active = '1' >> # following should all be on one line >> user_query = SELECT concat('/home/vmail/', maildir) as home, >> concat('maildir:/home/vmail/', maildir) as mail, 101 AS uid, 12 AS >> gid, CONCAT('*:messages=30000:bytes=', quota) as quota_rule FROM >> mailbox WHERE username = '%u' AND active = '1' >> >> and >> >> dovecot-dict-sql.conf.ext: >> >> connect = host=/var/lib/mysql/mysql.sock dbname=postfix user=postfix >> password=$Postfix_Database_Password >> map { >> pattern = priv/quota/storage >> table = quota2 >> username_field = username >> value_field = bytes >> } >> map { >> pattern = priv/quota/messages >> table = quota2 >> username_field = username >> value_field = messages >> } >> >> >> >> thanks

1 0

Dovecot 2.3.7 - char "-" missing
by Domenico Pastore 03 Sep '19

03 Sep '19

Hello, i have update dovecot from version 2.2.15 to 2.3.7.2. I have a problem with mine java software because there is a different response when open connection to doveadm. I need open socket to doveadm for get imap quota of a mailbox. With version 2.2.15: # telnet 192.160.10.4 924 Trying 192.160.10.4... Connected to 192.160.10.4. Escape character is '^]'. - With version 2.3.7.2: # telnet 192.160.10.3 924 Trying 192.160.10.3... Connected to 192.160.10.3. Escape character is '^]'. The difference is "-" character. The version 2.3.7 not respond with "-" character after opening the connection. Is it possible to add the character again with a parameter? Why did doveadm's answer change? Br Domenico

3 2

Segfault with error 4 in doveadm-server
by holger＠dehnhardt.org 03 Sep '19

03 Sep '19

I set up dovecot on two servers with replication enabled. The replication is over a vpn connection. I get massive segfaults from doveadm-server every few minutes. dmesg: doveadm-server[30030]: segfault at 0 ip 0000557fa16d2e62 sp 00007ffdcaafec50 error 4 in doveadm-server[557fa16a3000+41000] [486397.225636] Code: 40 03 4c 8d 3c c3 48 8d 44 24 18 48 89 44 24 08 0f 1f 84 00 00 00 00 00 49 8b bc 24 60 01 00 00 e8 e3 2a 00 00 48 89 44 24 18 <48> 8b 13 48 8d 35 c4 8d 00 00 48 89 c7 e8 2c 2b 00 00 31 c0 c6 45 mail.err dovecot: doveadm: Fatal: master: service(doveadm): child 29507 killed with signal 11 (core dumps disabled) I am absolutely unaware of how I can come to the cause of this error. Can anyone give me a hint? ----------------------------- Configuration: # 2.2.13: /etc/dovecot/dovecot.conf # OS: Linux 5.1.14-xen x86_64 Debian 8.11 auth_debug = yes disable_plaintext_auth = no doveadm_password = xxxx doveadm_port = 4711 listen = * mail_access_groups = vmail mail_gid = vmail mail_home = /var/vmail/%d/%n mail_location = maildir:~/mail mail_plugins = " notify replication" mail_uid = vmail 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 namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size mail_replica = tcp:backup-vpn.local:12345 sieve = ~/.dovecot.sieve sieve_after = ~/sieve/after sieve_before = ~/sieve/before sieve_default = /var/vmail/%d/default.sieve sieve_dir = ~/sieve } protocols = " imap sieve pop3" service aggregator { fifo_listener replication-notify-fifo { mode = 0666 user = vmail } unix_listener replication-notify { mode = 0666 user = vmail } } service auth { unix_listener auth-client { group = vmail mode = 0660 user = vmail } unix_listener auth-userdb { mode = 0666 user = vmail } } service config { unix_listener config { user = vmail } } service doveadm { client_limit = 1 idle_kill = 0 inet_listener { address = master-vpn.local port = 12345 } process_limit = 0 process_min_avail = 0 user = vmail } service replicator { client_limit = 0 drop_priv_before_exec = no idle_kill = 4294967295 secs process_limit = 1 process_min_avail = 0 service_count = 0 unix_listener replicator-doveadm { group = vmail mode = 0666 user = dovecot } vsz_limit = 8 G } ssl_cert = </etc/ssl/certs/xxx.cert ssl_key = </etc/ssl/private/xxx.key userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocol sieve { managesieve_implementation_string = Dovecot Pigeonhole managesieve_max_line_length = 65536 } protocol lda { mail_plugins = " notify replication acl sieve" } protocol imap { mail_plugins = " notify replication acl" }

3 6

LMTP Post login script for acl_groups
by lists＠mlserv.org 03 Sep '19

03 Sep '19

Hi, I use a post login script for imap, to fetch acl groups from LDAP. Because Dovecot can only deal with a single value, which must be a comma seperated list of groups, I decided to use a post login script do deal with multi values in LDAP: This looks like this in LDAP: rnsMSACLGroup: admin rnsMSACLGroup: automx rnsMSACLGroup: amavis rnsMSACLGroup: postfix rnsMSACLGroup: dovecot rnsMSACLGroup: rspamd rnsMSACLGroup: powerdns rnsMSACLGroup: sogo rnsMSACLGroup: zabbix rnsMSACLGroup: dane-users rnsMSACLGroup: gentoo rnsMSACLGroup: openbsd My post login script looks like this: --------------------------------------------------------- #!/bin/sh BINDDN='cn=dovecot-postlogin,ou=people,ou=it,dc=roessner-net,dc=de' BINDPWFILE='/etc/dovecot/ldap-postlogin.secret' BASE='ou=people,ou=it,dc=roessner-net,dc=de' LDAPSEARCH="/usr/bin/ldapsearch" AWK="/usr/bin/awk" test -x ${LDAPSEARCH} || exec "$@" test -x ${AWK} || exec "$@" ACL_GROUPS=$( ${LDAPSEARCH} -LLL -ZZ -y ${BINDPWFILE} -xD ${BINDDN} -b ${BASE} "(rnsMSDovecotUser=${USER})" rnsMSACLGroup | \ grep rnsMSACLGroup | \ ${AWK} -vORS=, '{ print $2 }' | \ sed 's/,$/\n/' ) export ACL_GROUPS export USERDB_KEYS="${USERDB_KEYS} acl_groups" exec "$@" --------------------------------------------------------- This script is included in imap-postlogin executables and works for logged in users. But it does not work for LMTP. LMTP itself seems not to have any permissions to access the folders associated with these groups. I thought, I simply could add the imap-postlogin block to lmtp-postlogin and that would work, but it doesn't. So here is the question: What am I missing in Dovecot that LMTP can also have ACL_GROUPS like the imap service? Here is my config (non-defaults): --------------------------------------------------------- doveconf -n # 2.3.7.1 (0152c8b10): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.7.1 (db5c74be) # OS: Linux 4.19.44-gentoo x86_64 Gentoo Base System release 2.6 # Hostname: mx.roessner-net.de auth_cache_size = 64 M auth_master_user_separator = * auth_mechanisms = plain login auth_ssl_username_from_cert = yes auth_verbose = yes default_client_limit = 5000 default_process_limit = 500 default_vsz_limit = 512 M disable_plaintext_auth = no hostname = mail.roessner-net.de imap_client_workarounds = tb-extra-mailbox-sep tb-lsub-flags imap_max_line_length = 4 M lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes lmtp_rcpt_check_quota = yes login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c %k mail_access_groups = vmail mail_attachment_dir = /var/mail/virtual/copymail/attachments mail_gid = vmail mail_location = sdbox:~/sdbox mail_max_keyword_length = 4096 mail_plugins = quota acl fts fts_lucene zlib mail_log notify mail_privileged_group = mail mail_save_crlf = yes mail_uid = vmail 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 imapsieve vnd.dovecot.imapsieve mdbox_preallocate_space = yes mdbox_rotate_size = 128 M namespace { list = children location = sdbox:%%h/sdbox prefix = Shared/%%u/ separator = / subscriptions = no type = shared } namespace { hidden = no list = children location = maildir:/var/mail/virtual/public:INDEXPVT=~/Maildir/public prefix = Public/ separator = / subscriptions = no type = public } namespace inbox { inbox = yes location = mailbox Archive { auto = subscribe special_use = \Archive } mailbox "Deleted Messages" { special_use = \Trash } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk-E-Mail { special_use = \Junk } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / type = private } passdb { args = /etc/dovecot/master-users driver = passwd-file master = yes pass = yes } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { acl = vfile:/etc/dovecot/dovecot-acl:cache_secs=300 acl_shared_dict = file:/var/mail/virtual/shared-mailboxes.db fts = lucene fts_autoindex = yes fts_lucene = whitespace_chars=@. imapsieve_mailbox1_before = file:/etc/dovecot/sieve/rspamd.d/report-spam.sieve imapsieve_mailbox1_causes = COPY FLAG imapsieve_mailbox1_name = Junk imapsieve_mailbox2_before = file:/etc/dovecot/sieve/rspamd.d/report-ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Junk imapsieve_mailbox2_name = * mail_log_events = delete undelete expunge copy save mailbox_create mailbox_delete mailbox_rename mail_log_fields = box msgid quota = count:User quota quota_grace = 10%% quota_rule = *:storage=300M:messages=20000 quota_rule2 = Trash:storage=+500M quota_rule3 = Sent:storage=+2G quota_rule4 = Archive:storage=+2G quota_status_nouser = DUNNO quota_status_overquota = 552 5.2.2 Mailbox is full quota_status_success = DUNNO quota_vsizes = yes quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u quota_warning3 = -storage=100%% quota-warning below %u sieve = file:~/sieve;active=~/.dovecot.sieve sieve_after = /etc/dovecot/sieve/after sieve_before = /etc/dovecot/sieve/before sieve_extensions = +vacation-seconds sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.execute +vnd.dovecot.debug sieve_pipe_bin_dir = /usr/bin sieve_plugins = sieve_imapsieve sieve_extprograms sieve_vacation_default_period = 10d sieve_vacation_max_period = 30d sieve_vacation_min_period = 1h zlib_save = gz zlib_save_level = 6 } protocols = imap pop3 lmtp submission sieve service auth-worker { extra_groups = ssl-cert unix_listener auth-worker { mode = 0600 user = vmail } user = vmail } service auth { extra_groups = ssl-cert unix_listener /var/spool/postfix-submission/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { mode = 0600 user = vmail } user = vmail } service config { unix_listener config { mode = 0600 user = vmail } } service dict { unix_listener dict { mode = 0600 user = vmail } } service imap-login { inet_listener imap { address = 127.0.0.1 134.255.226.248 ::1 2a05:bec0:28:1:134:255:226:248 } inet_listener imaps { port = 0 } } service imap-postlogin { executable = script-login /usr/local/bin/dovecot-masteruser.sh /usr/local/bin/dovecot-lastlogin.sh /usr/local/bin/dovecot-aclgroups.sh user = vmail } service imap { executable = imap imap-postlogin } service lmtp-postlogin { executable = script-login /usr/local/bin/dovecot-aclgroups.sh user = vmail } service lmtp { executable = lmtp lmtp-postlogin inet_listener lmtp { address = 127.0.0.1 port = 24 } unix_listener /var/spool/postfix/private/lmtp-dovecot { group = postfix mode = 0660 user = postfix } } service managesieve-login { inet_listener sieve { address = 127.0.0.1 134.255.226.248 ::1 2a05:bec0:28:1:134:255:226:248 } } service pop3-login { inet_listener pop3 { address = 127.0.0.1 134.255.226.248 ::1 2a05:bec0:28:1:134:255:226:248 } inet_listener pop3s { port = 0 } } service quota-status { client_limit = 1 executable = quota-status -p postfix inet_listener { address = 127.0.0.1 port = 12340 } } service quota-warning { executable = script /usr/local/bin/quota-warning.sh extra_groups = mail unix_listener quota-warning { group = vmail mode = 0600 user = vmail } user = vmail } ssl_cert = </etc/ssl/mail.roessner-net.de/cert/fullchain.pem ssl_cipher_list = ALL:!DH:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH ssl_client_cert = </etc/ssl/mail.roessner-net.de/cert/fullchain.pem ssl_client_key = # hidden, use -P to show it ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_min_protocol = TLSv1.2 ssl_prefer_server_ciphers = yes submission_client_workarounds = whitespace-before-path submission_relay_host = mail.roessner-net.de submission_relay_port = 5870 submission_relay_ssl = starttls submission_relay_trusted = yes userdb { args = /etc/dovecot/dovecot-ldap-userdb.conf.ext driver = ldap } verbose_proctitle = yes protocol lmtp { mail_plugins = quota acl fts fts_lucene zlib mail_log notify sieve } protocol lda { mail_plugins = quota acl fts fts_lucene zlib mail_log notify sieve } protocol imap { mail_max_userip_connections = 50 mail_plugins = quota acl fts fts_lucene zlib mail_log notify imap_quota imap_acl imap_zlib imap_sieve } protocol submission { login_greeting = ESMTP } --------------------------------------------------------- Thanks for any help in advance Christian

3 15

dovecot 2.2 repo
by Bas van Rooijen 02 Sep '19

02 Sep '19

Hi, >From the v2.2.36.4 announcement message: "Binary packages are available at https://repo.dovecot.org/" My question is, where exactly? There's an instruction at repo.dovecot.org that tells you to replace 'ce-latest-2.3' with 'ce-<version>' but the given url doesn't even contain 'ce-latest-2.3' and http://repo.dovecot.org/ce-2.2.36 returns a 404. Thanks in advance! bvr.

4 3