- dovecot - dovecot.org

nouvelles incroyables!
by bunkertor 09 Sep '16

09 Sep '16

Hey, Ces nouvelles vont vous surprendre, je vous le dis! Jeter juste un coup d’œil <http://shavopriji.countrysummersblog.com/xowmhs> Je t'embrasse, bunkertor

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sieve - find in header
by Hajo Locke 09 Sep '16

09 Sep '16

Hello list, have a problem with sieve script. I want to perform an action if an arbitrary headerline contains a defined string. I tried with regex: if header :regex [".*"] ["searchstri.*"] { fileinto "junk"; } This is not working because regex is only used in 2nd argument ["searchstri.*"] In 1st argument [".*"] no regex is used, sieve expects just plain string. Something like this would work, if "x-myheader" contains "searchstring": if header :regex ["x-myheader"] ["searchstri.*"].... How to solve this case and find a string in arbitrary/unknown headerline? Thanks, Hajo

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Re: Dovecot 2.2.25 fails on SSL
by Joseph Tam 09 Sep '16

09 Sep '16

Andreas M. Kirchwitz writes: >> You can also affect where shared libraries are loaded using the >> LD_LIBRARY_PATH environment variable. Try adding >> >> LD_LIBARY_PATH=/location/of/libdir; export LD_LIBARY_PATH >> >> to your service boot scripts. > > Thanks for the advice. It's fine for a temporary working around > problems (like this one, so you're absolutely right :-) > > However, no program should require that for regular use because > you never know exactly if somebody in the chain of executed code > removes certain environment variables. And also the opposite way, > if Dovecot runs external programs, those might not play well > with an existing LD_LIBARY_PATH and incompatible SSL libraries. Sure, I understand this, but it's handy in lots of cases where you need to loading from an alternate location. Not everyone has access to resource to recompile. > For every program I compile myself, I link it against my custom > OpenSSL library (always newest version; distributions usually tend > to stick with a specific version and only apply security fixes). OK, the origin of your problem becomes clearer. You can hardcode these paths into the executables by doing something like env CFLAGS='-I/my'ssl/include' \ LDFLAGS='-L/your/ssl/lib -Wl,-rpath,/my/ssl/lib' \ configure ... I use this myself (except the -Wl part since these libs are symlinked to my shared library path). I think "-R/my/ssl/lib" might also be synonymous with -Wl,... > Dovecot is the only package I know of where there are like a thousand > places to put additional libs in the Makefile.am files, but most of > them are totally ignored by configure. I don't have that problem -- I use configure to tell dovecot where to find my self-compiled openssl, and the resulting executables load from where I want. Joseph Tam <jtam.home(a)gmail.com>

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doveadm quota recalc returns a Segmentation fault
by Alessio Cecchi 07 Sep '16

07 Sep '16

Hi, with the latest dovecot-ee version (2.2.25.4 (5cb7c97)) if I run “doveadm quota recalc -u alessio(a)skye.xn--it-02t dovecot return a “Segmentation fault” (but the quota is update fine). Since dovecot version 2.2.24.3 (55cdc32) works fine. This is my quota backends configuration: plugin { quota = maildir:UserQuota quota2 = dict:Quota Usage::noenforcing:proxy::sqlquota } dict { sqlquota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext } I found that if I comment the line “quota2 = dict:…” doveadm quota recalc works fine. I have two quota backends because with dict I can store everybody's current quota usage in a SQL database for fast retrieving (like quota_clone plugin but I cannot switch to it immediately). The backtrace: # gdb --args doveadm quota recalc -u alessio(a)skye.it GNU gdb (GDB) Red Hat Enterprise Linux (7.2-90.el6) Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/bin/doveadm...Reading symbols from /usr/lib/debug/usr/bin/doveadm.debug...done. done. (gdb) run Starting program: /usr/bin/doveadm quota recalc -u alessio(a)skye.it [Thread debugging using libthread_db enabled] Program received signal SIGSEGV, Segmentation fault. 0x00007ffff73ed245 in io_loop_handler_run (ioloop=0x1006b1930) at ioloop.c:612 612 io_loop_handler_run_internal(ioloop); Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.5-7.el6_0.x86_64 cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64 dovecot-ee-pigeonhole-2.2.25.4-4.x86_64 glibc-2.12-1.192.el6.x86_64 nspr-4.11.0-1.el6.x86_64 nss-3.21.0-8.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64 nss-util-3.21.0-2.el6.x86_64 openldap-2.4.40-12.el6.x86_64 zlib-1.2.3-29.el6.x86_64 (gdb) bt full #0 0x00007ffff73ed245 in io_loop_handler_run (ioloop=0x1006b1930) at ioloop.c:612 No locals. #1 0x00007ffff73ed3e8 in io_loop_run (ioloop=0x6b1930) at ioloop.c:588 __FUNCTION__ = "io_loop_run" #2 0x00007ffff73ac45c in client_dict_wait (_dict=0x6b15f0) at dict-client.c:653 dict = 0x6b15f0 #3 0x00007ffff636f85f in dict_quota_deinit (_root=<value optimized out>) at quota-dict.c:106 root = 0x6b12f0 __FUNCTION__ = "dict_quota_deinit" #4 0x00007ffff636d326 in quota_root_deinit (root=0x6b12f0) at quota.c:279 pool = 0x6b1400 #5 0x00007ffff636d381 in quota_deinit (_quota=0x6aeae8) at quota.c:389 quota = 0x6ac0b0 roots = <value optimized out> i = <value optimized out> count = 2 #6 0x00007ffff637240d in quota_user_deinit (user=0x6ac7b0) at quota-storage.c:538 quser = 0x6aead8 quota_set = 0x6b07c0 #7 0x00007ffff76a9b52 in mail_user_unref (_user=<value optimized out>) at mail-user.c:174 user = 0x6ac7b0 __FUNCTION__ = "mail_user_unref" #8 0x00000000004216b4 in doveadm_mail_next_user (ctx=0x69bbe0, cctx=<value optimized out>, error_r=0x7fffffffe1c0) at doveadm-mail.c:403 input = {module = 0x0, service = 0x4569d9 "doveadm", username = 0x681288 "alessio(a)skye.it", session_id = 0x0, session_id_prefix = 0x0, local_ip = {family = 0, u = {ip6 = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, ip4 = {s_addr = 0}}}, remote_ip = { family = 0, u = {ip6 = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, ip4 = {s_addr = 0}}}, local_port = 0, remote_port = 0, userdb_fields = 0x0, flags_override_add = 0, flags_override_remove = 0, no_userdb_lookup = 0, debug = 0} error = <value optimized out> ip = <value optimized out> ret = <value optimized out> __FUNCTION__ = "doveadm_mail_next_user" #9 0x00000000004218dc in doveadm_mail_cmd_exec (ctx=0x69bbe0, cctx=0x7fffffffe400, wildcard_user=0x0) at doveadm-mail.c:592 ret = <value optimized out> error = <value optimized out> #10 0x0000000000422c7d in doveadm_cmd_ver2_to_mail_cmd_wrapper (cctx=0x7fffffffe400) at doveadm-mail.c:1053 mctx = 0x69bbe0 wildcard_user = <value optimized out> fieldstr = 0x456c52 "-u" i = <value optimized out> ---Type <return> to continue, or q <return> to quit--- mail_cmd = {alloc = 0x7ffff573fba0 <cmd_quota_recalc_alloc>, name = 0x7ffff573ffc5 "quota recalc", usage_args = 0x7ffff573ff7f ""} args_pos = <value optimized out> #11 0x00000000004303b6 in doveadm_cmd_run_ver2 (argc=3, argv=0x6883a0, cctx=0x7fffffffe400) at doveadm-cmd.c:523 param = <value optimized out> pargv = {arr = {buffer = 0x680a28, element_size = 104}, v = 0x680a28, v_modifiable = 0x680a28} pargc = <value optimized out> c = <value optimized out> li = 32767 pool = 0x680858 optbuf = 0x680870 __FUNCTION__ = "doveadm_cmd_run_ver2" #12 0x0000000000430467 in doveadm_cmd_try_run_ver2 (cmd_name=<value optimized out>, argc=3, argv=0x6883a0, cctx=0x7fffffffe400) at doveadm-cmd.c:446 cmd = <value optimized out> #13 0x0000000000432bdc in main (argc=4, argv=0x688398) at doveadm.c:379 cctx = {cmd = 0x69abf8, argc = 4, argv = 0x680a60, username = 0x681288 "alessio(a)skye.it", cli = true, tcp_server = false, local_ip = {family = 0, u = {ip6 = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, ip4 = {s_addr = 0}}}, remote_ip = {family = 0, u = {ip6 = {__in6_u = { __u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, ip4 = {s_addr = 0}}}, local_port = 0, remote_port = 0, conn = 0x0} cmd_name = <value optimized out> quick_init = false c = <value optimized out> (gdb) I hope can be fixed. Thanks -- Alessio Cecchi Postmaster AT http://www.qboxmail.it http://www.linkedin.com/in/alessice

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Re: Dovecot 2.2.25 fails on SSL
by Joseph Tam 06 Sep '16

06 Sep '16

Aki Tuomi wrote: >>>> ldd /usr/local/Dovecot-2.2.25/lib/dovecot/libdcrypt_openssl.so >>>> linux-gate.so.1 => (0x00dca000) >>>> libcrypto.so.1.0.0 => not found >>>> ... > > Well, then it leaves only option of using /etc/ld.so.conf > so basically add your libssl location there. You can also affect where shared libraries are loaded using the LD_LIBRARY_PATH environment variable. Try adding LD_LIBARY_PATH=/location/of/libdir; export LD_LIBARY_PATH to your service boot scripts. Joseph Tam <jtam.home(a)gmail.com>

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Re: Dovecot 2.2.25 fails on SSL
by Andreas M. Kirchwitz 06 Sep '16

06 Sep '16

Joseph Tam <jtam.home(a)gmail.com> wrote: > You can also affect where shared libraries are loaded using the > LD_LIBRARY_PATH environment variable. Try adding > > LD_LIBARY_PATH=/location/of/libdir; export LD_LIBARY_PATH > > to your service boot scripts. Thanks for the advice. It's fine for a temporary working around problems (like this one, so you're absolutely right :-) However, no program should require that for regular use because you never know exactly if somebody in the chain of executed code removes certain environment variables. And also the opposite way, if Dovecot runs external programs, those might not play well with an existing LD_LIBARY_PATH and incompatible SSL libraries. For every program I compile myself, I link it against my custom OpenSSL library (always newest version; distributions usually tend to stick with a specific version and only apply security fixes). For most packages (eg, Exim, Apache HTTP, BIND, INN, OpenSSH, Mutt, wget etc.) it pretty straightforward. Even if not, usually I can find a quick solution myself. Dovecot is the only package I know of where there are like a thousand places to put additional libs in the Makefile.am files, but most of them are totally ignored by configure. And even if I modify the Makefile files after configure, again most of the additional options get ignored. Never seen it that complicated. As Dovecot is my favorite IMAP daemon, there's no way I'm giving up. :-) I'm totally confident that the developers will find a good solution. And I'm happy to test every patch they come up with. Greetings, Andreas

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Error: istream-seekable: safe_mkstemp(/tmp/dovecot.imap.) failed
by Thomas Leuxner 05 Sep '16

05 Sep '16

I'm seeing these recently: Feb 27 09:24:01 nihlus dovecot: imap(tlx(a)leuxner.net): Error: istream-seekable: safe_mkstemp(/tmp/dovecot.imap.) failed: No such file or directory Feb 27 09:24:01 nihlus dovecot: imap(tlx(a)leuxner.net): Error: istream-seekable: safe_mkstemp(/tmp/dovecot.imap.) failed: No such file or directory Feb 27 09:24:01 nihlus dovecot: imap(tlx(a)leuxner.net): Error: istream-seekable: safe_mkstemp(/tmp/dovecot.imap.) failed: No such file or directory Feb 27 09:24:01 nihlus dovecot: imap(tlx(a)leuxner.net): Error: istream-seekable: safe_mkstemp(/tmp/dovecot.imap.) failed: No such file or directory Feb 27 09:24:01 nihlus dovecot: imap(tlx(a)leuxner.net): Error: istream-seekable: safe_mkstemp(/tmp/dovecot.imap.) failed: No such file or directory Feb 27 09:24:01 nihlus dovecot: imap(tlx(a)leuxner.net): Error: istream-seekable: safe_mkstemp(/tmp/dovecot.imap.) failed: No such file or directory $ doveconf -n | head # 2.2.devel (f1a9b58): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.devel (0de2a19) Regards Thomas

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Strange result searching over fts_solr
by Davide Marchi 05 Sep '16

05 Sep '16

Hi to all, i have a strange issue if i search a series of messages through normal index on Sent folder my result is correct but if i make same search thrpough fts_solr result is much smaller on number of mails: - My solr version is 5.5.2 doveadm -Dv index -u davide.marchi(a)mail.cgilfe.it '*' no error this is my dovecot version and my doveconf - 2.2.23 (806d709) -# 2.2.23 (806d709): /usr/local/etc/dovecot/dovecot.conf # Pigeonhole version 0.4.13 (7b14904) # OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.10 auth_master_user_separator = * auth_mechanisms = plain digest-md5 debug_log_path = /var/log/dovecot/dovecot-debug.log disable_plaintext_auth = no first_valid_gid = 89 first_valid_uid = 89 imap_hibernate_timeout = 1 mins imap_id_log = * imap_idle_notify_interval = 1 mins info_log_path = /var/log/dovecot/dovecot.log last_valid_gid = 89 last_valid_uid = 89 lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes listen = 0.0.0.0 lmtp_rcpt_check_quota = yes log_path = /var/log/dovecot/dovecot-err.log log_timestamp = "%Y-%m-%d %H:%M:%S " login_log_format_elements = %u method=%m rip=%r lip=%l mpid=%e %c %k session=<%{session}> mail_fsync = never mail_gid = 89 mail_location = maildir:~/Maildir mail_plugins = " notify zlib quota fts fts_solr stats acl" mail_prefetch_count = 100 mail_uid = 89 mailbox_list_index = yes maildir_very_dirty_syncs = 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 mmap_disable = yes namespace { inbox = yes location = prefix = separator = / type = private } namespace { location = maildir:/home/public/:INDEX=/mnt/ramdisk/public prefix = Public/ separator = / subscriptions = no type = public } passdb { args = /usr/local/etc/dovecot/passwd.masterusers driver = passwd-file master = yes pass = yes } passdb { driver = shadow } passdb { args = webmail=127.0.0.1 cache_key=%u%s driver = vpopmail } plugin { acl = vfile:/usr/local/etc/dovecot/dovecot-acl antispam_backend = crm114 antispam_crm_args = -u;/opt/crm114;--fileprefix=/opt/crm114/;--config=/usr/share/crm114/mailfilter.cf antispam_crm_binary = /usr/share/crm114/mailreaver.crm antispam_crm_notspam_arg = --good antispam_crm_spam_arg = --spam antispam_signature = X-CRM114-CacheID antispam_spam_pattern_ignorecase = crm-spam* antispam_trash_pattern_ignorecase = Trash* antispam_unsure_pattern_ignorecase = crm-unsure* mail_log_events = delete undelete expunge copy mail_log_fields = uid box msgid size mail_log_group_events = quota = maildir:User quota quota_rule = ?:storage=0 quota_rule2 = Trash:storage=+20%% quota_vsizes = yes quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_before = /usr/local/lib/dovecot/sieve/default.sieve sieve_default = /usr/local/lib/dovecot/sieve/default.sieve sieve_dir = ~/sieve sieve_global_dir = /usr/local/lib/dovecot/sieve/ stats_command_min_time = 1 mins stats_domain_min_time = 12 hours stats_ip_min_time = 12 hours stats_memory_limit = 16 M stats_refresh = 30 secs stats_session_min_time = 15 mins stats_track_cmds = yes stats_user_min_time = 1 hours zlib_save = gz zlib_save_level = 9 } protocols = imap sieve lmtp service anvil { client_limit = 2048 } service auth { client_limit = 2048 unix_listener auth-master { group = vchkpw mode = 0600 user = vpopmail } unix_listener auth-userdb { group = vchkpw mode = 0600 user = vpopmail } } service decode2text { executable = script /usr/local/libexec/dovecot/decode2text.sh unix_listener decode2text { mode = 0666 user = dovecot } } service imap-hibernate { unix_listener imap-hibernate { group = vchkpw mode = 0600 user = vpopmail } user = vpopmail } service imap-login { executable = /usr/local/libexec/dovecot/imap-login inet_listener imaps { address = 192.168.10.50 } process_limit = 1024 process_min_avail = 2 service_count = 0 } service imap { executable = /usr/local/libexec/dovecot/imap unix_listener imap-master { group = vchkpw mode = 0600 user = vpopmail } } service lmtp { executable = lmtp -L inet_listener lmtp { address = 192.168.10.50 127.0.0.1 ::1 port = 24 } process_min_avail = 5 unix_listener lmtp { group = vchkpw mode = 0600 user = vpopmail } } service managesieve-login { executable = managesieve-login inet_listener sieve { address = 0.0.0.0 port = 4190 } process_min_avail = 2 service_count = 0 } service managesieve { process_limit = 10 } service quota-warning { executable = script /usr/local/libexec/dovecot/quota-warning unix_listener quota-warning { mode = 0660 user = vpopmail } user = vpopmail } service stats { fifo_listener stats-mail { group = vchkpw mode = 0600 user = vpopmail } } ssl_cert = </var/qmail/control/servercert.pem ssl_dh_parameters_length = 2048 ssl_key = </var/qmail/control/servercert.pem ssl_protocols = !SSLv2 !SSLv3 userdb { driver = passwd } userdb { args = quota_template=quota_rule=*:backend=%q driver = vpopmail } verbose_proctitle = yes protocol sieve { info_log_path = /var/log/dovecot/dovecot-sieve.log log_path = /var/log/dovecot/dovecot-sieve-error.log managesieve_implementation_string = Dovecot Pigeonhole managesieve_logout_format = bytes=%i/%o managesieve_max_line_length = 65536 } protocol lmtp { auth_socket_path = /usr/local/var/run/dovecot/auth-userdb deliver_log_format = msgid=<%f>-<%s>-%m: %$ hostname = mail.cgilfe.it info_log_path = /var/log/dovecot/dovecot-lmtp.log log_path = /var/log/dovecot/dovecot-lmtp-err.log mail_fsync = optimized mail_plugin_dir = /usr/local/lib/dovecot mail_plugins = " notify zlib quota fts fts_solr stats acl mail_log sieve" postmaster_address = postmaster(a)mail.cgilfe.it rejection_reason = Il sistema ha rifiutato automaticamente il messaggio destinato a <%t> per il seguente motivo:%n%r rejection_subject = Messaggio Rifiutato: %s submission_host = 127.0.0.1 } protocol imap { imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags imap_max_line_length = 64 k mail_plugin_dir = /usr/local/lib/dovecot mail_plugins = " notify zlib quota fts fts_solr stats acl imap_quota mail_log antispam imap_zlib imap_stats imap_acl" } protocol lda { auth_socket_path = /usr/local/var/run/dovecot/auth-userdb deliver_log_format = msgid=<%f>-<%s>-%m: %$ hostname = mail.cgilfe.it info_log_path = /var/log/dovecot/dovecot-lda.log log_path = /var/log/dovecot/dovecot-lda-err.log mail_fsync = optimized mail_plugin_dir = /usr/local/lib/dovecot mail_plugins = " notify zlib quota fts fts_solr stats acl mail_log sieve" postmaster_address = postmaster(a)mail.cgilfe.it rejection_reason = Il sistema ha rifiutato automaticamente il messaggio destinato a <%t> per il seguente motivo:%n%r rejection_subject = Messaggio Rifiutato: %s submission_host = 127.0.0.1 -- DAVIDE MARCHI Teorema Ferrara Srl Via Spronello 7 - FERRARA - 44121 Tel. 0532783161 Fax. 0532783368 デイヴイツド THIS EMAIL AND ANY FILES TRANSMITTED WITH IT ARE CONFIDENTIAL AND INTENDED SOLELY FOR THE USE OF THE INDIVIDUAL OR ENTITY TO WHOM THEY ARE ADDRESSED. IF YOU HAVE RECEIVED THIS EMAIL IN ERROR PLEASE NOTIFY THE SYSTEM MANAGER. THIS MESSAGE CONTAINS CONFIDENTIAL INFORMATION AND IS INTENDED ONLY FOR THE INDIVIDUAL NAMED. IF YOU ARE NOT THE NAMED ADDRESSEE YOU SHOULD NOT DISSEMINATE, DISTRIBUTE OR COPY THIS E-MAIL. PLEASE NOTIFY THE SENDER IMMEDIATELY BY E-MAIL IF YOU HAVE RECEIVED THIS E-MAIL BY MISTAKE AND DELETE THIS E-MAIL FROM YOUR SYSTEM. IF YOU ARE NOT THE INTENDED RECIPIENT YOU ARE NOTIFIED THAT DISCLOSING, COPYING, DISTRIBUTING OR TAKING ANY ACTION IN RELIANCE ON THE CONTENTS OF THIS INFORMATION IS STRICTLY PROHIBITED.

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Cannot subscribe to Public mailbox
by MI 04 Sep '16

04 Sep '16

I'm trying to set up a Public mailbox, but when I try to subscribe to it in Thunderbird, nothing happens: it doesn't appear as a folder, and when I go back to the Subscribe window, it is unchecked again. I use postfix local dlivery, which created a Maildir when a mail arrived for this mailbox: /home/others/sharedmail/Maildir/{cur,new,tmp} (sharedmail is a system user so that Postfix can deliver the mail; it doesn't have a login shell or a password) To make sure it is not a simple filesystem permissions problem, I did "chmod -R a+rwX Maildir/" This is my current config ( I tried to keep it short by leaving only what might be relevant ): # dovecot -n # 2.1.7: /etc/dovecot/dovecot.conf # OS: Linux 3.2.0-4-amd64 x86_64 Debian 7.9 ... mail_location = maildir:~/Maildir namespace { list = yes location = maildir:/home/others/sharedmail/Maildir prefix = Public. separator = . subscriptions = no type = public } namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox ... ... } prefix = separator = . } passdb { driver = pam } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } protocols = " imap" service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } } userdb { driver = passwd } Also, I'm not sure about the difference between type=public and type=shared. But anyway, I tried both with the same result.

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Alternate mail store of few users is disparaged unexpectedly
by Prakash Autade 02 Sep '16

02 Sep '16

Hello, We are using dovecot with mdbox and ALT store on S3(Simple Storage System). We export the mail_location=mdbox:/<user-mailstore>/mdbox:ALT=/altmailstore/<user-mailstore>/mdbox of user in extra parameters. Today, alternate mail store of few users is disparaged unexpectedly which resulted in mail loss. We are unable to trace out why and when the alternate store is disparaged. Our hypothesis is, the folder is removed during doveadm altmove. We want to prevent this in future. It will be great if someone helps to identify the root cause. Dovecot version: 2.2.19 # dovecot -n # 2.2.19: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-573.el6.x86_64 x86_64 CentOS Linux release 6.0 (Final) auth_mechanisms = plain login auth_verbose_passwords = plain disable_plaintext_auth = no mail_fsync = always mail_gid = 65111 mail_location = maildir:~/Maildir mail_nfs_index = yes mail_nfs_storage = yes mail_plugins = " quota" mail_uid = 65111 mdbox_rotate_interval = 1 days mdbox_rotate_size = 20 M mmap_disable = yes namespace inbox { inbox = yes location = mailbox Drafts { auto = create special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Items" { auto = create } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = create special_use = \Trash } mailbox chat { auto = create } prefix = INBOX. separator = . type = private } plugin { mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size } ssl_cert = </conf/server/server.crt ssl_key = </conf/server/server.key -- Sincerely, Prakash P. Autade.

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