- dovecot - dovecot.org

[Dovecot] mail-filter always results in corrupted indexes
by martijn.list 16 Jan '14

16 Jan '14

Hi, I'm experimenting with the mail-filter plugin but whenever I add anything to a message, it always results in an corrupted cache: from the logs: Dec 14 16:09:55 ciphermail-webmail dovecot: imap(martijn=djigzo.com(a)ciphermail.private): Error: Corrupted index cache file /var/vmail/martijn=djigzo.com(a)ciphermail.private/dovecot.index.cache: Broken physical size for mail UID 76 Dec 14 16:09:55 ciphermail-webmail dovecot: imap(martijn=djigzo.com(a)ciphermail.private): Error: read() failed: Invalid argument Dec 14 16:10:02 ciphermail-webmail dovecot: imap(martijn=djigzo.com(a)ciphermail.private): Error: Cached message size smaller than expected (773 < 777) Dec 14 16:10:02 ciphermail-webmail dovecot: imap(martijn=djigzo.com(a)ciphermail.private): Error: Maildir filename has wrong S value, renamed the file from /var/vmail/martijn=djigzo.com@ciphermail.private/cur/1387033802.M114583P9631.ciphermail-webmail,S=773,W=791:2, t A do-nothing filter that just sends the input to the output works but whenever I add something trivial to the message, the cache is always corrupted. I using Dovecot 2.2.9.1 (from the deb archives). I use the following trivial test to add some XXX chars and and later remove them. In mail-filter.sh I append some chars and in mail-filter-out I filter these chars out (this is just a test) cat > /tmp/dovecot-in.txt echo "XXX" >> /tmp/dovecot-in.txt cat /tmp/dovecot-in.txt mail-filter-out: cat > /tmp/dovecot-out.txt sed -i /XXX/d /tmp/dovecot-out.txt cat /tmp/dovecot-out.txt Any idea what I'm doing wrong? Kind regards, Martijn Brinkers

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Re: [Dovecot] Couldn't drop privileges
by Joseph Tam 16 Jan '14

16 Jan '14

From: CM Reddy <cmreddy(a)armor5.com> > userdb { > args = username_format=%u /etc/dovecot/users > driver = passwd-file > } > ... > Log information: > ... > Jan 13 16:42:44 cmreddy-Lenovo-G500s dovecot: imap(armor5): Error: user > armor5: Couldn't drop privileges: User is missing GID (see mail_gid setting) Fairly self-explanatory, isn't it? It appears your userdb does not specify GID for a user. Either define it, or ... In share/doc/dovecot/example-config/conf.d/10-mail.conf: # System user and group used to access mails. If you use multiple, userdb # can override these by returning uid or gid fields. You can use either numbers # or names. <doc/wiki/UserIds.txt> #mail_uid = ... if all your users share the the same GID, set it here. Joseph Tam <jtam.home(a)gmail.com>

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[Dovecot] [Dovecot auth crash]
by Jeremy SPIESSER 16 Jan '14

16 Jan '14

Hi, I have a problem with dovecot auth and i don't know what happen .. running dovecot 2.1.7 When i try a login with user there is a crash in auth process: Jan 16 02:56:52 az-mail14 dovecot: auth: Panic: file auth-request.c: line 618 (auth_request_is_disabled_master_user): assertion failed: (request->requested_login_user != NULL) Jan 16 02:56:52 az-mail14 dovecot: auth: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x4414a) [0x7fcc4b30d14a] -> /usr/lib/dovecot/libdovecot.so.0(+0x4418e) [0x7fcc4b30d18e] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7fcc4b2e482a] -> dovecot/auth(+0x14af2) [0x7fcc4b78eaf2] -> dovecot/auth(auth_request_verify_plain+0x22) [0x7fcc4b790102] -> dovecot/auth(+0x1da10) [0x7fcc4b797a10] -> dovecot/auth(auth_request_handler_auth_continue+0xe2) [0x7fcc4b791cf2] -> dovecot/auth(+0x10420) [0x7fcc4b78a420] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x36) [0x7fcc4b31a016] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xa7) [0x7fcc4b31acc7] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x28) [0x7fcc4b319a28] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7fcc4b306483] -> dovecot/auth(main+0x323) [0x7fcc4b788863] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fcc4a70cead] -> dovecot/auth(+0xea75) [0x7fcc4b788a75] Jan 16 02:56:52 az-mail14 dovecot: auth: Fatal: master: service(auth): child 28622 killed with signal 6 (core dumps disabled) Jan 16 02:56:52 az-mail14 dovecot: imap-login: Warning: Auth connection closed with 1 pending requests (max 0 secs, pid=28621, EOF) Jan 16 02:56:53 az-mail14 dovecot: auth: Panic: file auth-request.c: line 618 (auth_request_is_disabled_master_user): assertion failed: (request->requested_login_user != NULL) Jan 16 02:56:53 az-mail14 dovecot: auth: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x4414a) [0x7f262370d14a] -> /usr/lib/dovecot/libdovecot.so.0(+0x4418e) [0x7f262370d18e] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f26236e482a] -> dovecot/auth(+0x14af2) [0x7f2623b8eaf2] -> dovecot/auth(auth_request_verify_plain+0x22) [0x7f2623b90102] -> dovecot/auth(+0x1da10) [0x7f2623b97a10] -> dovecot/auth(+0x127f3) [0x7f2623b8c7f3] -> /usr/lib/dovecot/libdovecot.so.0(+0x390e5) [0x7f26237020e5] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x36) [0x7f262371a016] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xa7) [0x7f262371acc7] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x28) [0x7f2623719a28] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f2623706483] -> dovecot/auth(main+0x323) [0x7f2623b88863] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f2622b0cead] -> dovecot/auth(+0xea75) [0x7f2623b88a75] Jan 16 02:56:53 az-mail14 dovecot: auth: Fatal: master: service(auth): child 28632 killed with signal 6 (core dumps disabled) Jan 16 02:56:53 az-mail14 dovecot: imap-login: Warning: Auth connection closed with 1 pending requests (max 0 secs, pid=28621, EOF) Jan 16 02:57:13 az-mail14 dovecot: imap-login: Disconnected (auth process communication failure): user=<>, method=PLAIN, rip=172.16.21.3, lip=172.16.21.100, TLS, session=<yDZIvQzwogCsEBUD> Dovecot run with this config file: # 2.1.7: /etc/dovecot/dovecot.conf # OS: Linux 3.2.0-4-amd64 x86_64 Debian 7.3 ext4 auth_anonymous_username = anonymous auth_cache_negative_ttl = 1 hours auth_cache_size = 0 auth_cache_ttl = 1 hours auth_debug = no auth_debug_passwords = no auth_default_realm = auth_failure_delay = 2 secs auth_first_valid_uid = 500 auth_gssapi_hostname = auth_krb5_keytab = auth_last_valid_uid = 0 auth_master_user_separator = auth_mechanisms = plain auth_proxy_self = auth_realms = auth_socket_path = auth-userdb auth_ssl_require_client_cert = no auth_ssl_username_from_cert = no auth_use_winbind = no auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@ 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 = 30 base_dir = /var/run/dovecot config_cache_size = 1 M debug_log_path = default_client_limit = 10000 default_idle_kill = 1 mins default_internal_user = dovecot default_login_user = dovenull default_process_limit = 1000 default_vsz_limit = 1 G deliver_log_format = msgid=%m: %$ dict_db_config = director_doveadm_port = 0 director_mail_servers = director_servers = director_user_expire = 15 mins director_username_hash = %u disable_plaintext_auth = yes dotlock_use_excl = no doveadm_allowed_commands = doveadm_password = doveadm_proxy_port = 0 doveadm_socket_path = doveadm-server doveadm_worker_count = 0 dsync_alt_char = _ dsync_remote_cmd = ssh -l%{login} %{host} doveadm dsync-server -u%u -l%{lock_timeout} -n%{namespace} first_valid_gid = 1 first_valid_uid = 500 hostname = imap_capability = imap_client_workarounds = imap_id_log = imap_id_send = imap_idle_notify_interval = 2 mins imap_logout_format = in=%i out=%o imap_max_line_length = 64 k imapc_features = imapc_host = imapc_list_prefix = imapc_master_user = imapc_password = imapc_port = 143 imapc_rawlog_dir = imapc_ssl = no imapc_ssl_ca_dir = imapc_ssl_verify = yes imapc_user = %u import_environment = TZ info_log_path = instance_name = dovecot last_valid_gid = 0 last_valid_uid = 0 lda_mailbox_autocreate = no lda_mailbox_autosubscribe = no lda_original_recipient_header = libexec_dir = /usr/lib/dovecot listen = *, :: lmtp_proxy = no lmtp_save_to_detail_mailbox = no lock_method = fcntl log_path = syslog log_timestamp = "%b %d %H:%M:%S " login_access_sockets = login_greeting = Dovecot ready. login_log_format = %$: %s login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c session=<%{session}> login_trusted_networks = mail_access_groups = mail_attachment_dir = mail_attachment_fs = sis posix mail_attachment_hash = %{sha1} mail_attachment_min_size = 128 k mail_cache_fields = flags mail_cache_min_mail_count = 10 mail_chroot = mail_debug = no mail_fsync = optimized mail_full_filesystem_access = no mail_gid = mail_home = mail_location = maildir:/data/vmail/%d/%n/Maildir:INDEX=/dev/shm/dovindex/%u mail_log_prefix = "%s(%u): " mail_max_keyword_length = 50 mail_max_lock_timeout = 0 mail_max_userip_connections = 10 mail_never_cache_fields = imap.envelope mail_nfs_index = no mail_nfs_storage = no mail_plugin_dir = /usr/lib/dovecot/modules mail_plugins = mail_prefetch_count = 100 mail_privileged_group = mail_save_crlf = no mail_shared_explicit_inbox = yes mail_temp_dir = /tmp mail_temp_scan_interval = 1 weeks mail_uid = mailbox_idle_check_interval = 30 secs mailbox_list_index = no maildir_broken_filename_sizes = no maildir_copy_with_hardlinks = yes maildir_stat_dirs = no maildir_very_dirty_syncs = no managesieve_client_workarounds = managesieve_implementation_string = Dovecot 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 reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave 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 = fcntl mbox_very_dirty_syncs = no mbox_write_locks = dotlock fcntl mdbox_preallocate_space = no mdbox_rotate_interval = 0 mdbox_rotate_size = 2 M mmap_disable = yes passdb { args = /data/vmail/conf/dovecot_shadow default_fields = deny = no driver = passwd-file master = yes override_fields = pass = no } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } pop3_client_workarounds = 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_host = pop3c_password = pop3c_port = 110 pop3c_rawlog_dir = pop3c_ssl = no pop3c_ssl_ca_dir = pop3c_ssl_verify = yes pop3c_user = %u postmaster_address = protocols = quota_full_tempfail = no recipient_delimiter = + rejection_reason = Your message to <%t> was automatically rejected:%n%r rejection_subject = Rejected: %s replication_full_sync_interval = 12 hours 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 = 0 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 = 0 privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener auth-client { group = mode = 0600 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 = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service config { chroot = client_limit = 0 drop_priv_before_exec = no executable = config extra_groups = group = idle_kill = 0 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 { 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 = mode = 0600 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 privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener director-admin { 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 = } unix_listener login/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 = 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-login { chroot = login client_limit = 0 drop_priv_before_exec = no executable = imap-login extra_groups = group = idle_kill = 0 inet_listener imap { address = port = 143 ssl = no } inet_listener imaps { address = port = 993 ssl = yes } privileged_group = process_limit = 0 process_min_avail = 0 protocol = imap service_count = 1 type = login user = $default_login_user vsz_limit = 18446744073709551615 B } service imap { chroot = client_limit = 1 drop_priv_before_exec = no executable = imap extra_groups = group = idle_kill = 0 privileged_group = process_limit = 4096 process_min_avail = 0 protocol = imap service_count = 1 type = unix_listener login/imap { group = mode = 0666 user = } user = vsz_limit = 1 G } service indexer-worker { chroot = client_limit = 1 drop_priv_before_exec = no executable = indexer-worker extra_groups = 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 = } 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 = 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 = port = 4190 ssl = no } inet_listener sieve_deprecated { address = port = 2000 ssl = no } privileged_group = process_limit = 0 process_min_avail = 0 protocol = sieve service_count = 1 type = login user = $default_login_user 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 = 0 process_min_avail = 0 protocol = sieve service_count = 1 type = unix_listener login/sieve { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service pop3-login { chroot = login client_limit = 0 drop_priv_before_exec = no executable = pop3-login extra_groups = group = idle_kill = 0 inet_listener pop3 { address = port = 110 ssl = no } inet_listener pop3s { address = port = 995 ssl = yes } privileged_group = process_limit = 0 process_min_avail = 0 protocol = pop3 service_count = 1 type = login user = $default_login_user vsz_limit = 18446744073709551615 B } service pop3 { chroot = client_limit = 1 drop_priv_before_exec = no executable = pop3 extra_groups = 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 { group = mode = 0600 user = $default_internal_user } user = vsz_limit = 18446744073709551615 B } service ssl-params { chroot = client_limit = 0 drop_priv_before_exec = no executable = ssl-params extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = startup unix_listener login/ssl-params { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service stats { chroot = empty client_limit = 0 drop_priv_before_exec = no executable = stats extra_groups = fifo_listener stats-mail { 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 stats { group = mode = 0600 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } shutdown_clients = yes ssl = yes ssl_ca = </etc/ssl/gandi.pem ssl_cert = </etc/ssl/cert-azuria.net.crt ssl_cert_username_field = commonName ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:!aNULL ssl_client_cert = ssl_client_key = ssl_crypto_device = ssl_key = </etc/ssl/azuria.key ssl_key_password = ssl_parameters_regenerate = 1 weeks ssl_protocols = !SSLv2 ssl_require_crl = yes ssl_verify_client_cert = no stats_command_min_time = 1 mins stats_domain_min_time = 12 hours stats_ip_min_time = 12 hours stats_memory_limit = 16 M stats_session_min_time = 15 mins stats_user_min_time = 1 hours submission_host = syslog_facility = mail userdb { args = uid=1003 gid=1003 home=/data/vmail/%d/%n/Maildir default_fields = driver = static override_fields = } valid_chroot_dirs = verbose_proctitle = no verbose_ssl = no version_ignore = no protocol imap { imap_idle_notify_interval = 2 mins imap_max_line_length = 1 M mail_max_userip_connections = 10000 } protocol pop3 { pop3_enable_last = yes pop3_fast_size_lookups = no pop3_uidl_format = %08Xu%08Xv } protocol lda { auth_socket_path = /var/run/dovecot/auth-userdb log_path = /data/vmail/log/dovecot-deliver.log mail_plugins = cmusieve quota postmaster_address = postmaster(a)azuria.net } I try to find answers on forums and the internet but I found nothing. Can you help me with this problem? Thanks you! -- -- *Jeremy SPIESSER * 34 bd des Italiens 75009 Paris *tel:*01 44 54 30 00 *mob:*06 22 12 81 75 *fax:*01 70 24 83 67 www.azuria.net <http://www.azuria.net/> prefix et peering <https://lg.azuria.net/>

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[Dovecot] EAGAIN in dict proxy
by Richard Platel 15 Jan '14

15 Jan '14

Hello, We’re using a custom program to manage quotas talking to dovecot via the dovecot dict proxy protocol over a unix socket: plugin { quota = dict:User quota::proxy:/var/run/auth_proxy_dovecot/quotasocket:quota } Dovecot gets slammed with quota requests periodically, seemingly because Thunderbird thought it would be a good idea to hardcode having a quota check at 45 seconds past the minute, and thus every Thunderbird client makes several GETQUOTAROOT requests simultaneously. This causes dovecot to make many client connections to the quota proxy, and many of them fail with EAGAIN. In the log we see: Jan 15 16:52:46 imap25 dovecot: imap(rplatel(a)tucows.com): Error: net_connect_unix(/var/run/auth_proxy_dovecot/quotasocket) failed: Resource temporarily unavailable And the client gets: * QUOTAROOT Spam "User quota"[0d][0a] * QUOTA "User quota" ()[0d][0a] * BAD Internal quota calculation error[0d][0a] 19 OK Getquotaroot completed.[0d][0a] Thunderbird transparently disconnects and reconnects at this point but obviously this is not ideal. Writing some toy programs, I found that even making a forked server with several processes doing nothing but accept()ing on the listening socket, with a high number for the listen queue, it’s easy to overwhelm it with simultaneous clients who then get EAGAIN. If the clients do indeed immediately try again, they are successful. (An INET listening socket does not seem to have this problem, incidentally) All of this is a long-winded way of saying that I believe in lib-dict/dict-client.c:client_dict_connect() the call to net_connect_unix should be a call to net_connect_unix_with_retries() with a small timeout. It would also be useful for us if an INET socket could be used.

1 0

[Dovecot] int/ext mailserver
by Mr.Pine 15 Jan '14

15 Jan '14

I 'm using potfix-dovcote as an internal mail server(local.myco.com) and wan to run another potfix-dovcote as an external mail server (myco.com) on Internet.75% of my users should only work internally(no external mail) but the rest of users (25%)should be able to send mail to external network! These users have the same username on myco.com. I use smtp_generic_maps to map int username of these users to ext. one. For eg. All email send by test(a)local.myco.com map to test(a)myco.com. So anyone got these mails can reply them. I know that getmail is the tools that can get mails from users external mailbox and put them into int. mailbox. 1. I have a root access to ext mail server. But do not know my ext user password!. How can I use getmail to move ext mail to internal one?! 2. What is your idea about syncing users password in internal/external mail server?! I think its needed for getmail! 3. How can I restrict my internal users to send mail only internally!? I appreciated any help!! TNX

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[Dovecot] restored mails
by Wojciech Giel 15 Jan '14

15 Jan '14

Hello, I am running dovecot 2.1 on debian wheezy . We are using maildir format. one of our uses deleted content of INBOX folder during xmass. he wants these messages back. I had these mail on tape. I have restored them to his inbox/cur directory but dovecot is not indexing them. Email client shows empty inbox as well. tried manually run: doveadm index -u john -q INBOX no change. deleting indexes didn't help. How to restore these email? thanks Woj my config: # 2.1.7: /etc/dovecot/dovecot.conf # OS: Linux 3.2.0-4-amd64 x86_64 Debian 7.3 auth_debug = yes auth_mechanisms = plain login cram-md5 auth_verbose = yes listen = * log_path = /var/log/dovecot.log log_timestamp = "%Y-%m-%d %H:%M:%S " login_greeting = IMAP Server is ready. mail_debug = yes mail_location = maildir:~/Maildir:INDEX=~/dovecot-control/indexes:CONTROL=~/dovecot-control:LAYOUT=fs mail_plugins = " quota trash" 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 passdb { driver = pam } passdb { args = scheme=cram-md5 /etc/dovecot/passwd driver = passwd-file } plugin { antispam_backend = pipe antispam_debug_target = syslog antispam_mail_sendmail = /usr/bin/sa-learn-pipe.sh antispam_pipe_program_notspam_arg = --ham antispam_pipe_program_spam_arg = --spam antispam_pipe_tmpdir = /tmp antispam_spam = Junk;Spam antispam_trash_pattern = Trash;Deleted * antispam_verbose_debug = 0 autocreate = INBOX autocreate2 = Sent autocreate3 = Trash autocreate4 = Drafts autocreate5 = Junk autosubscribe = INBOX autosubscribe2 = Sent autosubscribe3 = Trash autosubscribe4 = Drafts autosubscribe5 = Junk quota = maildir:User quota 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 = ~/.dovecot.sieve sieve_default = /var/spool/dovecot/default.sieve sieve_dir = ~/sieve sieve_global_dir = /var/spool/dovecot/ trash = /etc/dovecot/dovecot-trash.conf.ext } protocols = imap sieve service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-master { mode = 0666 } } service managesieve-login { inet_listener sieve { port = 2000 } } service quota-warning { executable = script /usr/bin/dovecot-quota-warning.sh user = postfix } ssl_ca = </etc/postfix/ssl/cacert.pem ssl_cert = </etc/postfix/ssl/servercrt.pem ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP-ADH-DES-CBC-SHA:!EXP-EDH-RSA-DES-CBC-SHA:!EXP-DES-CBC-SHA:!EXP-RC2-CBC-MD5:!EXP-RC4-MD5:!EXP-ADH-RC4-MD5:!ADH-DES-CBC3-SHA:!ADH-RC4-MD5:!ADH-DES-CBC3-SHA:!ADH-AES128-SHA:!ADH-AES256-SHA:!ADH-RC4-MD5:!RC4 ssl_key = </etc/postfix/ssl/serverkey.pem userdb { args = /etc/dovecot/passwd driver = passwd-file } userdb { driver = passwd } protocol lda { deliver_log_format = msgid=%m: %$ info_log_path = /var/log/dovecot-deliver.log log_path = /var/log/dovecot-deliver.log mail_plugins = " quota trash autocreate sieve" postmaster_address = postmaster quota_full_tempfail = yes rejection_reason = Your message to <%t> was automatically rejected:%n%r } protocol imap { imap_client_workarounds = tb-extra-mailbox-sep delay-newmail tb-lsub-flags mail_max_userip_connections = 10 mail_plugins = " quota trash imap_quota autocreate antispam" } 1379333576.M520387P21423.pine,S=5016,W=5183:2,S 1389710739.M139355P6177.pine,S=38933,W=39648:2,Sd 1379340386.M670300P24951.pine,S=2282,W=2328:2,S 1389710937.M15977P6316.pine,S=20426,W=20831:2,Sd 1379342173.M207466P25909.pine,S=2649,W=2700:2,S 1389715067.M350398P8795.pine,S=18288,W=18549:2,Sd 1379343332.M808399P26628.pine,S=3862,W=3952:2,S 1389715305.M250290P8929.pine,S=4264,W=4346:2,Sd 1379343742.M248785P27359.pine,S=4772,W=4891:2,RS 1389723554.M26883P13831.pine,S=47655,W=47979:2,d 1379343783.M47728P27388.pine,S=22571,W=23053:2,S root@pine:/home/john/Maildir/INBOX/cur#

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[Dovecot] Why does dovecot require the {} password sheme even if there is a $ crypt scheme.
by da-dovecotlist-15＠abelonline.de 15 Jan '14

15 Jan '14

The wiki[1] says: If all the passwords are in same format, you can use default_pass_scheme to specify it. Otherwise each password needs to be prefixed with "{password-scheme}", for example "{plain}plaintext-password". Why doesn't dovecot recognize the crypt scheme identifier ($1$ for MD5-CRYPT, $6$ for SHA512-CRYPT etc.)? At the moment I have to have the following in my db for dovecot to work: {SHA512-CRYPT}$6$salt$passwordhash [1]http://wiki2.dovecot.org/AuthDatabase/SQL

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[Dovecot] Proxying to MS Exchange 2013
by Matheus Fontes 15 Jan '14

15 Jan '14

Hi All, I'm new in dovecot list but I already read a thread with same problem: http://www.dovecot.org/list/dovecot/2013-June/091017.html If I try to proxy imap to exchange i got timeout on proxy connection. Someone solved this problem? thanks Matheus Fontes

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[Dovecot] Thanks for the help
by Steve Litt 15 Jan '14

15 Jan '14

Hi all, I'd like to thank the people on #dovecot, especially jaybe, for helping me fix my Dovecot after a reinstall broke it. Thanks, SteveT Steve Litt * http://www.troubleshooters.com/ Troubleshooting Training * Human Performance

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[Dovecot] dsync mbox to maildir migration does not delete, deleted e-mails
by A M 15 Jan '14

15 Jan '14

Hello, I am planning to migrate all users from mbox to maildir. I am trying to do it with minimum downtime. (~100GB data) All users are currently using POP3. Dovecot version is 2.2.10 (latest). Command used is: dsync -u username mirror maildir:~/Maildir Process I plan is: (omitting steps related to sendmail / procmail) 1) keep dovecot running (with mail_location as mbox) 2) dsync for all users (this may take 3-4 hours or more) 3) (downtime starts) stop dovecot and sendmail (to stop new e-mails) 4) block pop3, imap ports on firewall (so users can not connect) 5) start dovecot (still with mbox) 6) dsync again to sync e-mails arrived between step 2 and 3 7) dsync again (just to make sure!) 8) (downtime ends) restart dovecot (with mail_location as maildir) Now, here is my problem. Lets say there is user joe, who has 50 NEW e-mails in mbox (INBOX). Step 2 perfectly syncs his 50 e-mails to 'new' folder of maildir. Now in the mean time, before step 3, he connected via POP3 and downloaded and deleted 50 e-mails. Now when we reach step 6 (re-sync), what I expected was dsync will detect that 50 e-mails are deleted and it will delete 50 e-mails from 'new' directory of maildir. But that is not happening. 50 e-mails are still there. I fear that these e-mails will be re-downloaded on his Outlook once I switch dovecot to maildir. This will happen for each and every user which will cause huge mess. So how to tell, dsync to delete non-existent e-mails which are no more there in mbox (INBOX)? Thanks in advance, Regards, A M

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