- dovecot - dovecot.org

Character not allowed in mailbox name
by Lothar Schilling 22 Jul '19

22 Jul '19

Hi everybody, after an update this morning to dovecot 2.3.7 we cannot connect to our shared mailboxes anymore. The error message as issued in Thunderbird: "Character not allowed in mailbox name '.'" I didn't change anything about the configuration. Output of dovecot -n: [...] namespace { list = children location = maildir:%%h:INDEX=%h/shared/%%u prefix = Shared/%%u/ separator = / subscriptions = yes type = shared } [...] Any help would be appreciated, thank you very much. Lothar Schilling

2 1

Replication issue 2.3.7
by Reio Remma 20 Jul '19

20 Jul '19

Hello! I noticed these in the logs since upgrading from 2.3.6. to 2.3.7: Jul 13 11:52:10 turin dovecot: doveadm: Error: dsync-remote(reio(a)mrstuudio.ee)</1ekE7qbKV2gYwAAsNnMGQ>: Error: Exporting mailbox INBOX failed: Mailbox attribute vendor/vendor.dovecot/pvt/server/sieve/files/MR lookup failed: Mailbox attributes not enabled Jul 13 11:52:11 turin dovecot: doveadm: Error: dsync-remote(reio(a)mrstuudio.ee)<MVs/K7ubKV2oYwAAsNnMGQ>: Error: Exporting mailbox INBOX failed: Mailbox attribute vendor/vendor.dovecot/pvt/server/sieve/files/MR lookup failed: Mailbox attributes not enabled After turning on mailbox attributes these errors went away: mail_attribute_dict = file:~/Maildir/dovecot-attributes protocol imap { imap_metadata = yes } But now the errors are replaced with (when deleting mail): Jul 13 12:04:32 turin dovecot: imap(reio(a)mrstuudio.ee): Warning: /home/vmail/mrstuudio.ee/reio/Maildir/dovecot-uidlist: Duplicate file entry at line 2: 1563008644.M18534P25946.orc.mrstuudio.ee,S=4180,W=4262 (uid 23030 -> 23031) - retrying by re-reading from beginning Jul 13 12:04:32 turin dovecot: imap(reio(a)mrstuudio.ee): Warning: Maildir /home/vmail/mrstuudio.ee/reio/Maildir: Expunged message reappeared, giving a new UID (old uid=23030, file=1563008644.M18534P25946.orc.mrstuudio.ee,S=4180,W=4262:2,S) The mail message reappears on the other side of dsync and eventually I end up with 3 identical messages in trash after I've deleted them on both sides. Thanks for any advice, Reio

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Address family not supported by protocol
by Elias Hamaz 19 Jul '19

19 Jul '19

2 1

Address family not supported by protocol
by Elias Hamaz 19 Jul '19

19 Jul '19

Hello, I am trying to run Dovecot on Arch Linux ARM on a Raspberry Pi, and there is an error when calling dovecot. Related information is listed below. Does anybody know if this is a code issue or a configuration issue? Regards, Elias Hamaz $ sudo dovecot: Error: socket() failed: Address family not supported by protocol Error: service(pop3-login): listen(::, 110) failed: Address family not supported by protocol Error: socket() failed: Address family not supported by protocol Error: service(pop3-login): listen(::, 995) failed: Address family not supported by protocol Error: socket() failed: Address family not supported by protocol Error: service(imap-login): listen(::, 143) failed: Address family not supported by protocol Error: socket() failed: Address family not supported by protocol Error: service(imap-login): listen(::, 993) failed: Address family not supported by protocol Fatal: Failed to start listeners $ df -Th: Filesystem Type Size Used Avail Use% Mounted on /dev/root ext4 15G 13G 1.1G 93% / devtmpfs devtmpfs 211M 0 211M 0% /dev tmpfs tmpfs 215M 0 215M 0% /dev/shm tmpfs tmpfs 215M 280K 215M 1% /run tmpfs tmpfs 215M 0 215M 0% /sys/fs/cgroup tmpfs tmpfs 215M 0 215M 0% /tmp /dev/mmcblk0p1 vfat 90M 49M 41M 55% /boot tmpfs tmpfs 43M 0 43M 0% /run/user/1000 $ lscpu: Architecture: armv6l Byte Order: Little Endian CPU(s): 1 On-line CPU(s) list: 0 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 1 Vendor ID: ARM Model: 7 Model name: ARM1176 Stepping: r0p7 CPU max MHz: 700.0000 CPU min MHz: 700.0000 BogoMIPS: 697.95 Flags: half thumb fastmult vfp edsp java tls $ dovecot -n: # 2.3.7 (494d20bdc): /etc/dovecot/dovecot.conf # OS: Linux 4.14.50-2-ARCH armv6l # Hostname: alarmpi doveconf: Error: t_readlink(/var/run/dovecot/dovecot.conf) failed: readlink() failed: No such file or directory namespace { inbox = yes location = mailbox { special_use = \Drafts name = Drafts } mailbox { special_use = \Junk name = Junk } mailbox { special_use = \Sent name = Sent } mailbox { special_use = \Sent name = Sent Messages } mailbox { special_use = \Trash name = Trash } prefix = name = inbox } passdb { driver = pam } service replication-notify-fifo { name = aggregator } service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict-async { name = dict-async } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap-hibernate { name = imap-hibernate } service imap { name = imap-login } service imap-urlauth { name = imap-urlauth-login } service imap-urlauth-worker { name = imap-urlauth-worker } service token-login/imap-urlauth { name = imap-urlauth } service imap-master { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service old-stats-mail { name = old-stats } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service replicator-doveadm { name = replicator } service stats-reader { name = stats } service submission { name = submission-login } service login/submission { name = submission } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = # hidden, use -P to show it userdb { driver = passwd } protocol lmtp { service replication-notify-fifo { name = aggregator } service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict-async { name = dict-async } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap-hibernate { name = imap-hibernate } service imap { name = imap-login } service imap-urlauth { name = imap-urlauth-login } service imap-urlauth-worker { name = imap-urlauth-worker } service token-login/imap-urlauth { name = imap-urlauth } service imap-master { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service old-stats-mail { name = old-stats } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service replicator-doveadm { name = replicator } service stats-reader { name = stats } service submission { name = submission-login } service login/submission { name = submission } } protocol !indexer-worker { service replication-notify-fifo { name = aggregator } service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict-async { name = dict-async } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap-hibernate { name = imap-hibernate } service imap { name = imap-login } service imap-urlauth { name = imap-urlauth-login } service imap-urlauth-worker { name = imap-urlauth-worker } service token-login/imap-urlauth { name = imap-urlauth } service imap-master { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service old-stats-mail { name = old-stats } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service replicator-doveadm { name = replicator } service stats-reader { name = stats } service submission { name = submission-login } service login/submission { name = submission } } protocol lda { service replication-notify-fifo { name = aggregator } service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict-async { name = dict-async } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap-hibernate { name = imap-hibernate } service imap { name = imap-login } service imap-urlauth { name = imap-urlauth-login } service imap-urlauth-worker { name = imap-urlauth-worker } service token-login/imap-urlauth { name = imap-urlauth } service imap-master { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service old-stats-mail { name = old-stats } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service replicator-doveadm { name = replicator } service stats-reader { name = stats } service submission { name = submission-login } service login/submission { name = submission } } protocol imap { service replication-notify-fifo { name = aggregator } service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict-async { name = dict-async } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap-hibernate { name = imap-hibernate } service imap { name = imap-login } service imap-urlauth { name = imap-urlauth-login } service imap-urlauth-worker { name = imap-urlauth-worker } service token-login/imap-urlauth { name = imap-urlauth } service imap-master { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service old-stats-mail { name = old-stats } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service replicator-doveadm { name = replicator } service stats-reader { name = stats } service submission { name = submission-login } service login/submission { name = submission } } protocol pop3 { service replication-notify-fifo { name = aggregator } service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict-async { name = dict-async } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap-hibernate { name = imap-hibernate } service imap { name = imap-login } service imap-urlauth { name = imap-urlauth-login } service imap-urlauth-worker { name = imap-urlauth-worker } service token-login/imap-urlauth { name = imap-urlauth } service imap-master { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service old-stats-mail { name = old-stats } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service replicator-doveadm { name = replicator } service stats-reader { name = stats } service submission { name = submission-login } service login/submission { name = submission } } protocol submission { service replication-notify-fifo { name = aggregator } service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict-async { name = dict-async } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap-hibernate { name = imap-hibernate } service imap { name = imap-login } service imap-urlauth { name = imap-urlauth-login } service imap-urlauth-worker { name = imap-urlauth-worker } service token-login/imap-urlauth { name = imap-urlauth } service imap-master { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service old-stats-mail { name = old-stats } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service replicator-doveadm { name = replicator } service stats-reader { name = stats } service submission { name = submission-login } service login/submission { name = submission } }

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Re: Dovecot 2.3.0 TLS
by Alexandre Urban 19 Jul '19

19 Jul '19

Hello, I don't know who will read this message, but I found this thread: https://www.mail-archive.com/search?l=dovecot@dovecot.org&q=subject:%22Dove… And I'm expected the same issue, I will try to explain to you (english is not my native language, sorry) Since Buster update, so Dovecot update too, I'm not able to connect to my mail server from my iOS mail client (12.2) Thunderbird just work fine. Here is my configuration: Debian Buster (amd64) Dovecot: 2.3.4.1 Postfix : 3.4.5 OpenSSL: 1.1.1c Dovecot configuration file: ssl_min_protocol = TLSv1.2 (I tried different version) When I tried to connect with command line: openssl s_client -showcerts -connect server:993 No client certificate CA names sent Peer signing digest: SHA256 Peer signature type: RSA-PSS Server Temp Key: X25519, 253 bits --- SSL handshake has read 2322 bytes and written 392 bytes Verification error: unable to verify the first certificate --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 Server public key is 2048 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 21 (unable to verify the first certificate) When I tried to connect with command line: openssl s_client -showcerts -no_tls1_3 -connect server:993 No client certificate CA names sent Peer signing digest: SHA256 Peer signature type: RSA-PSS Server Temp Key: X25519, 253 bits --- SSL handshake has read 2423 bytes and written 310 bytes Verification error: unable to verify the first certificate --- New, TLSv1.2, Cipher is ECDHE-RSA-AES256-GCM-SHA384 Server public key is 2048 bit Secure Renegotiation IS supported Compression: NONE Expansion: NONE No ALPN negotiated SSL-Session: Protocol : TLSv1.2 Cipher : ECDHE-RSA-AES256-GCM-SHA384 I think the "Secure Renegotiation IS NOT supported" with tls 1.3 could be an issue, but I don't what to do to fix the issue ? Could you help me ? Let me know if you need more informations. Thank you. Regards, Alex

2 1

Panic alert
by marvin alcantara 18 Jul '19

18 Jul '19

Hi, I am getting a panic alert when sending an email in my box. Below is the backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0x9f3de) [0x7fa90b5543de] -> /usr/lib64/dovecot/libdovecot.so.0(+0x9f4be) [0x7fa90b5544be] -> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7fa90b4e577c] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_search_args_unref+0xa2) [0x7fa90b827c82] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mailbox_search_result_free+0x7a) [0x7fa90b84029a] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_thread_init+0x128) [0x7fa90b8b2e88] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_storage_search_init+0x471) [0x7fa90b8a78a1] -> /usr/lib64/dovecot/lib20_virtual_plugin.so(virtual_search_init+0x23) [0x7fa90a0ac3d3] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_search_result_update_flags+0x11f) [0x7fa90b8a4f8f] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_sync_search_results_update+0x5b) [0x7fa90b8afe9b] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_mailbox_sync_deinit+0x1a4) [0x7fa90b8b0724] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0xaa03f) [0x7fa90b89103f] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mailbox_sync_deinit+0x38) [0x7fa90b830cb8] -> dovecot/imap(+0x27111) [0x564ec6db6111] -> dovecot/imap(imap_sync_more+0x10d) [0x564ec6db6ccd] -> dovecot/imap(+0x28356) [0x564ec6db7356] -> dovecot/imap(cmd_sync_delayed+0x1f4) [0x564ec6db7814] -> dovecot/imap(client_handle_input+0x218) [0x564ec6daa968] -> dovecot/imap(client_input+0x85) [0x564ec6daae05] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x52) [0x7fa90b569cd2] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10f) [0x7fa90b56b3bf] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x3c) [0x7fa90b569d6c] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7fa90b569f28] -> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7fa90b4effa3] -> dovecot/imap(main+0x333) [0x564ec6d9d2e3] -> /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fa90b10a445] -> dovecot/imap(+0xe476) [0x564ec6d9d476] Dovecot version: 2.2.33.2 I would like to ask help on what is happening here. I found in the code that the trigger is in plugins/virtual/virtual-sync.c virtual_sync() call. When does this actually being called? Thank you very much! Regards,Marvin Alcantara

1 0

auth: Warning: Event 0x1280fe20 leaked
by John Doe Vecot 18 Jul '19

18 Jul '19

Lately I get some errors in my logfile, saying: dovecot[72337]: auth: Warning: Event 0x1280fe20 leaked (parent=0x0): auth-client-connection.c:338: 1 Time(s) Can you tell me what is going wrong here? Thanks.

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Dovecot release v2.3.7
by Aki Tuomi 17 Jul '19

17 Jul '19

Hi! We are pleased to release Dovecot release v2.3.7. Tarball is available at https://dovecot.org/releases/2.3/dovecot-2.3.7.tar.gz https://dovecot.org/releases/2.3/dovecot-2.3.7.tar.gz.sig Binary packages are available at https://repo.dovecot.org/ Changes ------- * fts-solr: Removed break-imap-search parameter + Added more events for the new statistics, see https://doc.dovecot.org/admin_manual/list_of_events/ + mail-lua: Add IMAP metadata accessors, see https://doc.dovecot.org/admin_manual/lua/ + Add event exporters that allow exporting raw events to log files and external systems, see https://doc.dovecot.org/configuration_manual/event_export/ + SNIPPET is now PREVIEW and size has been increased to 200 characters. + Add body option to fts_enforced. This triggers building FTS index only on body search, and an error using FTS index fails the search rather than reads through all the mails. - Submission/LMTP: Fixed crash when domain argument is invalid in a second EHLO/LHLO command. - Copying/moving mails using Maildir format loses IMAP keywords in the destination if the mail also has no system flags. - mail_attachment_detection_options=add-flags-on-save caused email body to be unnecessarily opened when FETCHing mail headers that were already cached. - mail attachment detection keywords not saved with maildir. - dovecot.index.cache may have grown excessively large in some situations. This happened especially when using autoexpunging with lazy_expunge folders. Also with mdbox format in general the cache file wasn't recreated as often as it should have. - Autoexpunged mails weren't immediately deleted from the disk. Instead, the deletion from disk happened the next time the folder was opened. This could have caused unnecessary delays if the opening was done by an interactive IMAP session. - Dovecot's TCP connections sometimes add extra 40ms latency due to not enabling TCP_NODELAY. HTTP and SMTP/LMTP connections weren't affected, but everything else was. This delay wasn't always visible - only in some situations with some message/packet sizes. - imapc: Fix various crash conditions - Dovecot builds were not always reproducible. - login-proxy: With shutdown_clients=no after config reload the existing connections could no longer be listed or kicked with doveadm. - "doveadm proxy kick" with -f parameter caused a crash in some situations. - Auth policy can cause segmentation fault crash during auth process shutdown if all auth requests have not been finished. - Fix various minor bugs leading into incorrect behaviour in mailbox list index handling. These rarely caused noticeable problems. - LDAP auth: Iteration accesses freed memory, possibly crashing auth-worker - local_name { .. } filter in dovecot.conf does not correctly support multiple names and wildcards were matched incorrectly. - replicator: dsync assert-crashes if it can't connect to remote TCP server. - config: Memory leak in config process when ssl_dh setting wasn't set and there was no ssl-parameters.dat file. This caused config process to die once in a while with "out of memory". --- Aki Tuomi Open-Xchange oy

5 16

pigeonhole question: filtering on delivered-to in case of fetchmail
by Trever L. Adams 17 Jul '19

17 Jul '19

So, one of the problems I am seeing is that people are trying to fake users into revealing information by sending from an outside domain but with an internal reply to address and claiming to be administration, IT or what not. I can set up something that will reject if from is outside the domain by reply to is internal. The problem is in some setups, there are fetchmail setups. I do not want to reject these with a message. Which is what I am currently doing for the others. Maybe I should discard them all without rejecting. However, my question is this: Since such fetchmail messages will usually end up with two (at least two?!?) Delivered-To headers, one for the fetchmail delivery and one for the original target address's/system's delivery is it possible to do something like this and have it work? require ["fileinto", "regex","reject"]; if address :regex "Reply-To" ".*@<%= @name -%>" { if not address :regex "From" ".*@<%= @name -%>" { if not header :regex "Delivered-To" " .*@<%= @name -%> { reject "We do not allow emails from outside our system to give Reply-To into our system!"; stop; } } } Please, not the <% =@name -%> is just that this is from a puppet module I use to maintain these systems. It is the domain name for the mail system. An example would be .*(a)middleearth.sapphiresunday.org here. Thank you for any help in figuring this out. The reason I want a reject in the case of non-fetchmail email is to let users know if they try to do it (as many have multiple email accounts) and may try it. But in fetchmail cases, no need to leak to the outside world that users are doing fetchmail and what their account is in the other system. Thank you. Trever

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Dovecot v2.3.7 - TLS/SSL issue
by Christos Chatzaras 17 Jul '19

17 Jul '19

I use a helpdesk system that connects to dovecot using POP3 with SSL enabled to fetch the e-mails. After I upgrade to v2.3.7 the helpdesk randomly (some times it works, some times not) doesn't fetch the e-mails. If I configure the e-mail accounts with SSL/TLS disabled then it works. Any idea about this?

2 1