- dovecot - dovecot.org

[Dovecot] Dict quota question
by Antoine Nguyen 15 Apr '13

15 Apr '13

Hi all, I'm using Dovecot 2.1.16 and I'd like to know if the following configuration is supported: * An SQL dictionary quota * A static userdb to get uid/gid/home information * An SQL userdb to get per-user quota limit Currenlty, current quota usage are properly stored into the database but per-user limits are not found. If I replace the SQL dictionary by the maildir backend (my previous config.), it works as expected. Do you have any idea? Thanks in advance, Antoine Nguyen http://modoboa.org/

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[Dovecot] lazy_expunge plugin with virtual mailboxes
by Gilles Chauvin 15 Apr '13

15 Apr '13

Hi, When using both lazy_expunge and virtual mailboxes (with, for instance, a "All Messages" virtual mailbox) as soon as a user deletes/expunges a mail in one of its mailbox, Dovecot is saving two mails to the lazy_expunge namespace (the one in the user mailbox and the one in the virtual mailbox). Is there some kind of trick to make Dovecot ignore any mail deleted from a virtual mailbox namespace ? Thanks, Gilles.

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[Dovecot] Coredump -> backtrace Script
by Ralf Hildebrandt 15 Apr '13

15 Apr '13

I wrote a little something about how I'm automatically creating backtraces from coredumps: http://sys4.de/de/blog/2013/04/13/core-catcher-linux/ I've been using this with Dovecot-HEAD and Squid-HEAD, mostly :) -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Joerg Heidrich

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Re: [Dovecot] How to manually generate a password hash
by Joseph Tam 15 Apr '13

15 Apr '13

David Murphy writes: http://en.wikipedia.org/wiki/Salt_%28cryptography%29 > So... what am I missing? If the hash was salted, it would seem the > hashes in the database would be longer than the ones generated at the > command line, but that isn't the case. I'm out of ideas. Any guidance > appreciated. The hashes are salted, and that is why the hashes are different, even though the same password is used. (Test it by using the output of "doveadm pw" and plugging it into your test account). The hashes ought to be the same length. The out would be proportional to the length of your input password if the were encrypting, rathher than hashing. But the length of the hash is consant + encoded(salt) + encoded (hash(password)), all of which ought to be fixed lengths. Joseph Tam <jtam.home(a)gmail.com>

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[Dovecot] 2.2.0 lmtp runtime error
by Luigi Rosa 14 Apr '13

14 Apr '13

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I didn't have much time in the last 2 weeks, so I was stuck to a functioning 2.2.rc3 + pigeonhole 0.4.0 Server is CentOS 64: Linux mail.luigirosa.com 2.6.32-358.2.1.el6.centos.plus.x86_64 #1 SMP Wed Mar 13 02:09:07 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux I compiled and installed 2.2.0 and rebuilt pigeonhole 0.4.0 and this hapens ans soon as a new mail arrives: Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: Effective uid=501, gid=501, home=/var/spool/mail/xxxx.com/lrosa/ Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: maildir++: root=/var/spool/mail/xxxx.com/lrosa, index=, indexpvt=, control=, inbox=/var/spool/mail/xxxx.com/lrosa, alt= Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: sieve: Pigeonhole version 0.4.0 initializing Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: sieve: include: sieve_global_dir is not set; it is currently not possible to include `:global' scripts. Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: +VmOJOo+aVE+MAAAP6OfHg: sieve: using the following location for user's Sieve script: /var/spool/mail/xxxx.com/lrosa//.dovecot.sieve;name=main script Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: +VmOJOo+aVE+MAAAP6OfHg: sieve: loading script /var/spool/mail/xxxx.com/lrosa//.dovecot.sieve;name=main script Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: +VmOJOo+aVE+MAAAP6OfHg: sieve: script binary /var/spool/mail/xxxx.com/lrosa//.dovecot.svbin successfully loaded Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: +VmOJOo+aVE+MAAAP6OfHg: sieve: binary save: not saving binary /var/spool/mail/xxxx.com/lrosa//.dovecot.svbin, because it is already stored Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: +VmOJOo+aVE+MAAAP6OfHg: sieve: executing script from /var/spool/mail/xxxx.com/lrosa//.dovecot.svbin Apr 13 13:18:02 mail dovecot: lmtp(12346, lists(a)luigirosa.com) Debug: Namespace : Using permissions from /var/spool/mail/luigirosa.com/lists: mode=0700 gid=default Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Debug: Namespace : Using permissions from /var/spool/mail/xxxx.com/lrosa: mode=0700 gid=default Apr 13 13:18:02 mail dovecot: lmtp(12346, lists(a)luigirosa.com) Fatal: master: service(lmtp): child 12346 killed with signal 11 (core dumps disabled) Apr 13 13:18:02 mail dovecot: lmtp(12350, lrosa(a)xxxx.com) Fatal: master: service(lmtp): child 12350 killed with signal 11 (core dumps disabled) Apr 13 13:18:02 mail dovecot: lmtp(12348, lrosa(a)xxxx.com) Debug: Namespace : Using permissions from /var/spool/mail/xxxx.com/lrosa: mode=0700 gid=default Apr 13 13:18:02 mail dovecot: lmtp(12348, lrosa(a)xxxx.com) Fatal: master: service(lmtp): child 12348 killed with signal 11 (core dumps disabled) Ciao, luigi - -- / +--[Luigi Rosa]-- \ God runs electromagnetics by wave theory on Monday, Wednesday, and Friday, and the Devil runs them by quantum theory on Tuesday, Thursday, and Saturday. --William Bragg -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iEYEARECAAYFAlFpQYcACgkQ3kWu7Tfl6ZTCgwCdGeOjpkQNwYPN5JHhG01/fm3d BMQAniE22e2ie4/ab6S2cFf6pFvqgo+U =iHoY -----END PGP SIGNATURE-----

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[Dovecot] Dovecot 2.2.0 Compilation Error
by Jacques Distler 14 Apr '13

14 Apr '13

On MacOSX 10.6, I get: ld: duplicate symbol _cmd_batch in dsync/.libs/libdsync.a(doveadm-dsync.o) and doveadm-mail-batch.o for architecture x86_64 collect2: ld returned 1 exit status make[4]: *** [doveadm] Error 1 when compiling Dovecot 2.2.0. By contrast, 2.1.16 compiled (and runs) just fine. I'm surprised that this hasn't cropped up elsewhere.

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[Dovecot] How to manually generate a password hash
by David Murphy 14 Apr '13

14 Apr '13

Hi folks. I've recently set up a Postfix 2.9.6/Dovecot 2.0.19 IMAPS/SMTPS setup on Ubuntu 12.04.2 (Mysql backend). I'm new to all this, so I apologize if this is fairly basic. I've attempted to the best of my ability to search for an answer, but no luck so far. What I'm trying to do is generate a password hash that I can inject directly into my Mysql database (disaster recovery sort of situation). Towards that goal, I'm trying to use 'doveadm pw' to generate a hash that matches a known password in my database. Unfortunately, I'm coming up empty. My default_pass_scheme in dovecot-sql.conf is set to MD5-CRYPT, and the passwords in the database have no scheme prefixes. I'm attempting to generate a hash with: sudo doveadm pw -s 'MD5-CRYPT' but the hash generated does not match the user's password hash in the database, which is known to be a good password. I'm able to log into this account successfully in both Roundcube and a remote IMAP client. I've also tried using the -p flag and including the password in the command, and that doesn't do it either, though it oddly gives a different response than using the prompt. (What causes this? Newlines?) So... what am I missing? If the hash was salted, it would seem the hashes in the database would be longer than the ones generated at the command line, but that isn't the case. I'm out of ideas. Any guidance appreciated. -Dave

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[Dovecot] LMTP Setup/Design Help Request
by Matthias Hofer 13 Apr '13

13 Apr '13

Hi again, Thank you for your first hints. I have now set up a dedicated test instance of postfix and dovecot to be able to recreate the problems in detail. Even after using your inputs, they do not seem to work with my setup I already mentioned above. I get errors like postfix/lmtp[10994]: C2DF4C000DF: to=<user1(a)mydomain.org>, relay=mail.mydomain.org[private/dovecot-lmtp], delay=0.1, delays=0.05/0/0/0.04, dsn=5.1.1, status=bounced (host mail.mydomain.org[private/dovecot-lmtp] said: 550 5.1.1 <user1(a)mydomain.org> User doesn't exist: user1(a)mydomain.org (in reply to RCPT TO command)) As stated before, my setup is as follows: > I only have virtual users and have set > > mail_uid = dovemail > mail_gid = dovemail > > For authentication, I simply use (for now) a flat file: > > passdb { > driver = passwd-file > args = scheme=PLAIN username_format=%u /etc/dovecot/mypasswd.file > } > > # cat /etc/dovecot/mypasswd.file > user1:{PLAIN}userpw1 > user2:{PLAIN}userpw2 > user3:{PLAIN}userpw3 > > And everything works fine with IMAP. I am completely domain-agnostic > here. I do not know how to strip the domain when the username is handed over from postfix to dovecot, and what would be the sane solution. I hope, you can give me a hint to that. Thank you, again, and greetings, Matthias Hofer

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Re: [Dovecot] LMTP Setup/Design Help Request
by Matthias Hofer 13 Apr '13

13 Apr '13

>> So, is there a way for dovecot-{lda/lmtpd} to accept "user1(a)mydomain.org" but checks for "user1" in the >> user >> DB? > > Try username_format=%n so dovecot uses the username only: > http://wiki2.dovecot.org/Variables > > passdb { > driver = passwd-file > args = scheme=PLAIN username_format=%n /etc/dovecot/mypasswd.file > } Great! I did not think about that, but this solved this issue :D Thank you a lot. And I was now able to solve also my further issues. So I am prepared to try again to switch :) Have great day! Matthias Hofer

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[Dovecot] Migration from courier to dovecot
by ChandranManikandan 12 Apr '13

12 Apr '13

Hi, I am using Courier imap+Qmail+Vpopmail. My IMAP having slow issues on our email client while download message as well switch to another folder. I would request you to give me the procedure for migration as well let me know if anything going wrong after migrate. We have 100 mailboxes and some email box more than 25 GB. I want to access email fast in oulook client 2010 as well squirrelmail. Kindly guide me . Am waiting for your reply asap. -- *Thanks & Best Regards, Manikandan.C *

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[Dovecot] Dovecot / Postfix
by Dan Clovis 12 Apr '13

12 Apr '13

Ave Maria! I have Dovecot and Postifx setup with MySQL - emails seem to go through the server but for some reason the pipe into the wrong Virtual Domain any ideas? Also I notice If you need any other configurations please let me know... mail.info logs: Apr 12 13:30:14 Server1 postfix/smtpd[21411]: connect from mail-qe0-f48.google.com[209.85.128.48] Apr 12 13:30:14 Server1 postfix/trivial-rewrite[21415]: warning: do not list domain ccpop.itco.co in BOTH mydestination and virtual_mailbox_domains Apr 12 13:30:14 Server1 postfix/smtpd[21411]: F365B14EE1AE: client=mail-qe0-f48.google.com[209.85.128.48] Apr 12 13:30:15 Server1 postfix/cleanup[21416]: F365B14EE1AE: message-id=<CAObOquM=KoONc2QnF6HHuzZ_9AN+-+ndymjoDQJ29og=Lxe_og(a)mail.gmail.com> Apr 12 13:30:15 Server1 postfix/qmgr[21407]: F365B14EE1AE: from=<dan.clovis1(a)gmail.com>, size=1706, nrcpt=1 (queue active) Apr 12 13:30:15 Server1 dovecot: auth(default): master in: USER#0111#011dan(a)companycouk.com#011service=deliver Apr 12 13:30:15 Server1 dovecot: auth(default): master out: USER#0111#011dan@companycouk.com#011uid=5000#011gid=5000#011home=/home/vmail/companycouk.com/dan Apr 12 13:30:15 Server1 postfix/pipe[21417]: F365B14EE1AE: to=<dan(a)companycouk.com>, orig_to=<dan(a)ccpop.itco.co>, relay=dovecot, delay=0.29, delays=0.28/0/0/0.01, dsn=2.0.0, status=sent (delivered via dovecot service) Apr 12 13:30:15 Server1 postfix/qmgr[21407]: F365B14EE1AE: removed Postfix main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = /usr/share/doc/postfix # TLS parameters smtpd_tls_cert_file = /etc/postfix/smtpd.cert smtpd_tls_key_file = /etc/postfix/smtpd.key smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. myhostname = pop3.companycouk.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = ccpop.itco.co, localhost, localhost.localdomain, companycoServer1, companycoServer1.companycoServer1 relayhost = mynetworks = 127.0.0.0/8 mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all html_directory = /usr/share/doc/postfix/html message_size_limit = 30720000 virtual_alias_domains = virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf virtual_mailbox_base = /home/vmail virtual_uid_maps = static:5000 virtual_gid_maps = static:5000 smtpd_sasl_auth_enable = yes broken_sasl_auth_clients = yes smtpd_sasl_authenticated_header = yes smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination virtual_create_maildirsize = yes virtual_maildir_extended = yes proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps virtual_transport = dovecot dovecot_destination_recipient_limit = 1 God Bless Dan

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[Dovecot] How to prevent delivery to mailboxes over quota at SMTP-time
by Ralf Hildebrandt 12 Apr '13

12 Apr '13

Hi! I wrote a little something about how to prevent delivery to mailboxes over quota while still being in the SMTP dialogue: http://sys4.de/en/blog/2013/04/08/postfix-dovecot-mailbox-quota/ (Postfix/Dovecot-2.2) -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Joerg Heidrich

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[Dovecot] Problem with vpopmail + qmail + dovecot lda
by Davide 12 Apr '13

12 Apr '13

I have a little problem in my configuration (vpopmail + qmail + dovecot 2.1.12 with LDA) my .qmail-default is this | /var/qmail/bin/preline -f /usr/local/libexec/dovecot/dovecot-lda -d $EXT@$USER -e | /home/vpopmail/bin/vdelivermail '' bounce-no-mailbox I receive al mails to postmaster for non-existent users (all my users are virtual and live under group 89 vpopmail) and this is ok but all mails for quota-full users dosen't If i remove the vdelivermail part in .qmail-default i receive bounce for quota-full but not for non-existent users. If can be usefull this is my dovecot conf auth_cache_size = 10 k auth_cache_ttl = 5 hours auth_mechanisms = plain cram-md5 disable_plaintext_auth = yes dotlock_use_excl = yes first_valid_gid = 89 first_valid_uid = 89 info_log_path = /var/log/dovecot/dovecot.log last_valid_gid = 89 last_valid_uid = 89 listen = 127.0.0.1 log_path = /var/log/dovecot/dovecot-err.log debug_log_path = /var/log/dovecot/dovecot-debug.log log_timestamp = "%Y-%m-%d %H:%M:%S " mail_fsync = never mail_location = maildir:~/Maildir # mail_debug = yes mmap_disable = yes mail_plugins=$mail_plugins notify zlib fts fts_solr quota default_internal_user = dovecot default_login_user = dovenull default_vsz_limit = 512M maildir_very_dirty_syncs=yes verbose_ssl = no # syslog_facility = mail namespace { inbox = yes location = prefix = separator = / type = private } # Public namespace namespace { type = public separator = / prefix = Public/ location = maildir:/var/mail/public subscriptions = no list = children } passdb { args = webmail=127.0.0.1 cache_key=%u%s driver = vpopmail } plugin { fts = solr fts_decoder = decode2text fts_solr = url=http://192.168.10.103:8983/solr/ break-imap-search debug zlib_save_level = 9 # 1..9 zlib_save = gz # or bz2 # sieve = /usr/local/lib/dovecot/sieve/%n.sieve sieve=~/.dovecot.sieve sieve_dir=~/sieve # sieve_default = /usr/local/lib/dovecot/sieve/default.sieve # sieve_global_dir = /usr/local/lib/dovecot/sieve/ mail_log_events = delete undelete expunge copy mail_log_fields = uid box msgid size mail_log_group_events = quota = maildir:User quota quota_rule2 = Trash:storage=+20%% quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u # antispam_debug_target = syslog # antispam_verbose_debug = 1 antispam_backend = pipe antispam_spam = SPAM antispam_unsure = UNSURE antispam_trash_pattern_ignorecase = trash;Deleted * # antispam_signature = X-DSPAM-Signature # antispam_signature_missing = move # antispam_dspam_binary = /usr/local/bin/dspamc # antispam_crm_args = -u;%h;/usr/share/crm114/mailreaver.crm;--fileprefix=/usr/share/crm114/ #sa-learn -u clamav --spam /var/mail/public/.Spam --showdots # antispam_dspam_args = --deliver;--user;%u antispam_pipe_program = /usr/bin/sa-learn # (defaults to /usr/sbin/sendmail) antispam_pipe_program_args = -u;clamav antispam_pipe_program_spam_arg = --spam antispam_pipe_program_notspam_arg = --ham antispam_pipe_tmpdir = /mnt/ramdisk } protocols = imap sieve service auth { unix_listener auth-master { group = vchkpw mode = 0660 user = vpopmail } unix_listener auth-userdb { mode = 0600 user = vpopmail group = vchkpw } # user = vpopmail vsz_limit = 64 M } service imap-login { executable = /usr/local/libexec/dovecot/imap-login inet_listener imaps { address = 192.168.119.150 } process_limit = 500 process_min_avail = 8 service_count = 1 #user = dovecot } service managesieve-login { executable = managesieve-login inet_listener sieve { address = 127.0.0.1 port = 4190 } #inet_listener sieve_deprecated { # port = 2000 #} # Number of connections to handle before starting a new process. Typically # the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0 # is faster. <doc/wiki/LoginProcess.txt> service_count = 1 # Number of processes to always keep waiting for more connections. process_min_avail = 1 # If you set service_count=0, you probably need to grow this. vsz_limit = 64M } service managesieve { # Max. number of ManageSieve processes (connections) process_limit = 10 } # Service configuration protocol sieve { # Maximum ManageSieve command line length in bytes. ManageSieve usually does # not involve overly long command lines, so this setting will not normally need # adjustment managesieve_max_line_length = 65536 # Maximum number of ManageSieve connections allowed for a user from each IP address. # NOTE: The username is compared case-sensitively. #mail_max_userip_connections = 10 # Space separated list of plugins to load (none known to be useful so far). Do NOT # try to load IMAP plugins here. #mail_plugins = # MANAGESIEVE logout format string: # %i - total number of bytes read from client # %o - total number of bytes sent to client managesieve_logout_format = bytes=%i/%o # To fool ManageSieve clients that are focused on CMU's timesieved you can specify # the IMPLEMENTATION capability that the dovecot reports to clients. # For example: 'Cyrus timsieved v2.2.13' managesieve_implementation_string = Dovecot Pigeonhole # Explicitly specify the SIEVE and NOTIFY capability reported by the server before # login. If left unassigned these will be reported dynamically according to what # the Sieve interpreter supports by default (after login this may differ depending # on the user). #managesieve_sieve_capability = #managesieve_notify_capability = # The maximum number of compile errors that are returned to the client upon script # upload or script verification. #managesieve_max_compile_errors = 5 # Refer to 90-sieve.conf for script quota configuration and configuration of # Sieve execution limits. log_path = /var/log/dovecot/dovecot-sieve-error.log info_log_path = /var/log/dovecot/dovecot-sieve.log } service decode2text { executable = script /usr/local/libexec/dovecot/decode2text.sh unix_listener decode2text { mode = 0666 user = dovecot } #user = vpopmail } service imap { executable = /usr/local/libexec/dovecot/imap vsz_limit = 1024M } service quota-warning { executable = script /usr/local/libexec/dovecot/quota_warning # use some unprivileged user for executing the quota warnings user = vpopmail unix_listener quota-warning { group = vchkpw mode = 0660 user = vpopmail } } ssl_cert = </var/qmail/control/servercert.pem ssl_key = </var/qmail/control/servercert.pem userdb { args = quota_template=quota_rule=*:backend=%q driver = vpopmail } protocol imap { imap_client_workarounds = imap_max_line_length = 64 k mail_plugin_dir = /usr/local/lib/dovecot mail_plugins = $mail_plugins imap_quota mail_log antispam imap_zlib } protocol lda { mail_fsync = optimized auth_socket_path = /usr/local/var/run/dovecot/auth-userdb deliver_log_format = msgid=<%f>-<%s>-%m: %$ hostname = mail.cgilfe.it info_log_path = /var/log/dovecot/dovecot-deliver.log log_path = /var/log/dovecot/dovecot-deliver.log mail_plugin_dir = /usr/local/lib/dovecot mail_plugins = $mail_plugins mail_log sieve postmaster_address = postmaster(a)mail.cgilfe.it rejection_reason = Il Vostro messaggio a <%t> è stato automaticamente rifiutato:%n%r sendmail_path = /usr/bin/sendmail # quota_full_tempfail = yes } -- *Davide Marchi* *T*eorema *F*errara *Srl* Via Spronello, 7 - Ferrara - 44121 Tel. *0532783161* Fax. *0532783368* E-m@il: *davide.marchi(a)mail.cgilfe.it* Skype: *davide.marchi73* Web: *http://www.cgilfe.it* *CONFIDENZIALITA'* *Ai sensi del D.Lgs. 196/2003 si precisa che le informazioni contenute in questo messaggio sono riservate ed a uso esclusivo del destinatario/dei destinatari. Qualora il messaggio in parola Le fosse pervenuto per errore, La invitiamo ad eliminarlo senza copiarlo e a non inoltrarlo a terzi, dandocene gentilmente comunicazione.* *Per favore, pensa all'ambiente. Stampa questa email solo se necessario.*

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Re: [Dovecot] Configuring dovecot to use tcp wrappers
by Joseph Tam 12 Apr '13

12 Apr '13

"Max Pyziur" <pyz(a)brama.com> wrote: > I've put in a test ip address in /etc/hosts.deny like so: > dovecot: 166.84.1.2 Maybe imap: 166.84.1.2 imaps: 166.84.1.2 pop3: 166.84.1.2 pop3s: 166.84.1.2 Joseph Tam <jtam.home(a)gmail.com>

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[Dovecot] Reading dovecot-uidlist by external program (locking)
by Andrzej A. Filip 11 Apr '13

11 Apr '13

How to lock dovecot-uidlist file before reading by an external program? [perl script]

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Re: [Dovecot] Configuring dovecot to use tcp wrappers
by Max Pyziur 11 Apr '13

11 Apr '13

On Thu, 11 Apr 2013, lists-dovecot wrote: > > [... snip ...] >> >> I've put in a test ip address in /etc/hosts.deny like so: >> dovecot: 166.84.1.2 >> >> And then I execute the following from 166.84.1.2 to port 110: >> bash-3.2$ telnet SiteWhereImConfiguringDovecot 110 >> Trying SiteWhereImConfiguringDovecot... >> Connected to SiteWhereImConfiguringDovecot. >> Escape character is '^]'. >> +OK Dovecot ready. >> quit >> +OK Logging out >> Connection closed by foreign host. >> >> If dovecot is configured with tcp wrappers (which it is; built on >> a CentOS 6 system, installed and configured per instructions), >> and the firewall has ports 110 and 143 open, >> but I'm blocking a particular host through /etc/hosts.deny >> then I should not be able to telnet to either port 110 or 143; both >> requests should be blocked from the originating IP, no? >> >> Much thanks for your help, >> >> Max Pyziur >> pyz(a)brama.com > > > What are you using as the service name in hosts.deny? I think it > should be "imap-login:", (that's what I have as an > historical/left-over entry) but don't have dovecot configured with > wrappers on my current centos system so can't test this to be > certain. Also make certain that you don't have anything in your > hosts.allow file that would override the hosts.deny entry. I was using dovecot, until you convinced me to do otherwise. Putting pop3 in /etc/hosts.deny with the associated ip seems to work, like so: pop3: 166.84.1.2 or imap imap: 166.84.1.2 (are there any challenges to this?) Given that services such sendmail and sshd respond to sshd: xxx.xxx.xxx.xxx sendmail: xxx.xxx.xxx.xxx I thought that it should be dovecot: xxx.xxx.xxx.xxx As a suggestion, can dovecot binaries for distributions such as CentOS and Fedora be compiled with tcp wrappers by default? > - Richard Much thanks. MP pyz(a)brama.com

1 0

[Dovecot] Questions about the upcoming Object Storage Plugin for 2.2
by Charles Marcus 11 Apr '13

11 Apr '13

Hi Timo, I'm curious and have questions about the new Object Storage Plugin (OSP), and how it can be leveraged by an SMB like us. First, am I reading this right where it could be used as a kind of 'live/realtime backup' solution, where everything is stored *both* locally and in the cloud, with two-way syncing, ie, so local users could access the local server for faster access, and when outside the office, they'd access the cloud based storage and any changes made there are sync'd back to the local server? Or is it intended to be more as an alternative storage for storing older emails in a separate namespace? Or both/either? Second, is SIS fully supported by the OSP? Third - I'm a little confused by the Amazon S3 pricing page, especially on how to try to estimate the costs for usage (bandwidth, etc)... do you have any idea how to go about estimating that? Is there some kind of process we could use on our existing server to measure it over a given period of time that would give us an estimate of what to expect if we decided to switch over? Last - have you established pricing for the OSP? Will it be per user, or per MB/GB, per month (or per year), or just a one-time cost? And/or will you include/bundle it with any/all of your support tiers? Sorry if I'm jumping the gun here... Thanks, really looking forward to the 2.2 release! -- Best regards, Charles

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Re: [Dovecot] Problem with fts lucene, on solaris 10
by Pigi 11 Apr '13

11 Apr '13

Sorry for top posting, but I have no additional info on this. BTW I need to refresh the question as I have tried squat, and I'm biting the dust with the already known problems ( "Corrupted squat uidlist file" or "Panic: file squat-trie.c:" ). Is there some pointer on where/how to find assist on fts-lucene to keep on analisys for this problem on sparc ? T.I.A. Pigi On Monday 08 April 2013, Pigi wrote: > On Monday 08 April 2013, Timo Sirainen wrote: > > On 8.4.2013, at 12.19, Pigi <pigi(a)frumar.it> wrote: > > > > > Program received signal SIGSEGV, Segmentation fault. > > > 0xfebd65dc in _malloc_unlocked () from /lib/libc.so.1 > > > (gdb) bt full > > > #0 0xfebd65dc in _malloc_unlocked () from /lib/libc.so.1 > > > No symbol table info available. > > > #1 0xfebd66e4 in realloc () from /lib/libc.so.1 > > > No symbol table info available. > > > #2 0xff1d9a70 in pool_system_realloc (pool=0xff21576c, mem=0xff21576c, old_size=0, new_size=8192) at mempool-system.c:115 > > > No locals. > > > #3 0xff1cda28 in i_realloc (mem=0x0, old_size=0, new_size=8192) at imem.c:14 > > > No locals. > > > > Looks to me like memory corruption, which is just about impossible to debug if you don't have valgrind or a similar tool (and I don't think Solaris has any such free tools). > > Yes, you're right. There aren't ( already packaged ) tool for valgrinding or similar. > > > Do you happen to get any other crashes where it doesn't crash in malloc code? You showed previously that it was crashing with SIGBUS somewhere. > > For what I can see, form dovecot.log I have a couple of error: > Apr 08 12:02:18 indexer: Error: Indexer worker disconnected, discarding 1 requests for xxxx > Apr 08 12:02:18 imap(xxxx): Error: indexer failed to index mailbox INBOX > Apr 08 12:02:18 indexer-worker(xxxx): Fatal: master: service(indexer-worker): child 27242 killed with signal 11 (core not dumped) > Apr 08 12:02:19 indexer-worker(xxxx): Error: lucene index /home/xxxx/Maildir/lucene-indexes: IndexWriter() failed (#1): Lock obtain timed out > Apr 08 12:03:46 indexer: Error: Indexer worker disconnected, discarding 1 requests for xxxx > Apr 08 12:03:46 imap(xxxx): Error: indexer failed to index mailbox INBOX > Apr 08 12:03:46 indexer-worker(xxxx): Fatal: master: service(indexer-worker): child 27445 killed with signal 10 (core not dumped) > Apr 08 12:06:57 indexer: Error: Indexer worker disconnected, discarding 1 requests for xxxx > Apr 08 12:06:57 imap(xxxx): Error: indexer failed to index mailbox INBOX > Apr 08 12:06:57 indexer-worker(xxxx): Fatal: master: service(indexer-worker): child 27761 killed with signal 11 (core not dumped) > Apr 08 12:08:33 indexer: Error: Indexer worker disconnected, discarding 1 requests for xxxx > > Here a couple or more of gdb"ed" process, but tied to SEGV ( I almost suspect that when gdbing I always catch a SEGV ) : > > ============================================================== > First gdb > ============================================================== > No symbol table info available. > #1 0xfebd6884 in realloc () from /lib/libc.so.1 > No symbol table info available. > #2 0xfe83d270 in lucene::util::StringReader::init (this=0x8d328, _value=0x2bb288, _length=3958, copyData=true) > at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/util/Reader.cpp:48 > tmp = (TCHAR *) 0x2051e0 > length = 3958 > #3 0xfe8837f0 in lucene::index::DocumentsWriter::ThreadState::FieldData::invertField (this=0x92df8, field=0x8d238, analyzer=0x2cb60, maxFieldLength=10000) > at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/index/DocumentsWriterThreadState.cpp:887 > stringValue = (const TCHAR *) 0x2bb288 > stringValueLength = 3958 > stream = (class lucene::analysis::TokenStream *) 0x0 > streamValue = (class lucene::analysis::TokenStream *) 0x8d328 > #4 0xfe883a58 in lucene::index::DocumentsWriter::ThreadState::FieldData::processField (this=0x92df8, analyzer=0x2cb60) > at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/index/DocumentsWriterThreadState.cpp:798 > field = (class lucene::document::Field *) 0x8d238 > #5 0xfe883d6c in lucene::index::DocumentsWriter::ThreadState::processDocument (this=0x8c0a8, analyzer=0x2cb60) > at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/util/Array.h:90 > i = 6 > #6 0xfe87ea00 in lucene::index::DocumentsWriter::updateDocument (this=0x84790, doc=0x8b838, analyzer=0x2cb60, delTerm=0x0) > at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/index/DocumentsWriter.cpp:946 > state = (class lucene::index::DocumentsWriter::ThreadState *) 0x8c0a8 > #7 0xfe87eb5c in lucene::index::DocumentsWriter::addDocument (this=0x84790, doc=0x8b838, analyzer=0x2cb60) > at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/index/DocumentsWriter.cpp:930 > No locals. > #8 0xfe8b1ea0 in lucene::index::IndexWriter::addDocument (this=0x8cc18, doc=0x8b838, analyzer=0x2cb60) > at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/index/IndexWriter.cpp:682 > No locals. > #9 0xfea18e04 in lucene_index_build_flush (index=0x37ba8) at lucene-wrapper.cc:484 > ret = 0 > #10 0xfea18f88 in lucene_index_build_more (index=0x37ba8, uid=2995, data=0x185d18 "<xxxxxx(a)xxxxxxxx.xx>", size=23, hdr_name=0x8ba60 "Return-Path") > at lucene-wrapper.cc:507 > id = {4, 0, 0, 0, -4196824, -15011172, 534768, -4196336, 516256, 0, 11560, -20155708, 9, 10, 36, 2727408, 516256, 148, 0, 441, 148864, 534768, 3} > namesize = 9216 > datasize = 9216 > dest = Cannot access memory at address 0xbb3 > (gdb) quit > > ============================================================== > Second gdb > ============================================================== > > gdb) bt full > #0 0xfebd6b24 in realfree () from /lib/libc.so.1 > No symbol table info available. > #1 0xfebd7354 in cleanfree () from /lib/libc.so.1 > No symbol table info available. > #2 0xfebd64ac in _malloc_unlocked () from /lib/libc.so.1 > No symbol table info available. > #3 0xfebd639c in malloc () from /lib/libc.so.1 > No symbol table info available. > #4 0xfe737b38 in operator new () from /usr/sfw/lib/libstdc++.so.6 > No symbol table info available. > #5 0xfe8613f4 in Document (this=0x8b838) at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/document/Document.cpp:57 > No locals. > #6 0xfea18fa8 in lucene_index_build_more (index=0x37ba8, uid=2995, data=0x8d7b0 "<xxxxxx(a)xxxxxxxx.xx>", size=23, hdr_name=0x8b9d0 "Return-Path") > at lucene-wrapper.cc:511 > id = {4, 0, 0, 0, -4196824, -15011172, 1605360, -4196336, 516256, 0, 11560, -20155708, 9, 10, 36, 2122656, 516256, 148, 0, 441, 148864, 1605360, 3} > namesize = 9216 > datasize = 9216 > dest = Cannot access memory at address 0xbb3 > (gdb) quit > > =============================================== > third gdb > ===================================================== > (gdb) cont > Continuing. > > Program received signal SIGSEGV, Segmentation fault. > 0xfebd710c in t_splay () from /lib/libc.so.1 > (gdb) bt full > #0 0xfebd710c in t_splay () from /lib/libc.so.1 > No symbol table info available. > #1 0xfebd6eb8 in t_delete () from /lib/libc.so.1 > No symbol table info available. > #2 0xfebd6acc in realfree () from /lib/libc.so.1 > No symbol table info available. > #3 0xfebd72c8 in _free_unlocked () from /lib/libc.so.1 > No symbol table info available. > #4 0xfebd7204 in free () from /lib/libc.so.1 > No symbol table info available. > #5 0xfe862144 in lucene::document::Field::_resetValue (this=0x71e288) at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/document/Field.cpp:300 > No locals. > #6 0xfe862248 in ~Field (this=0x71e288) at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/document/Field.cpp:103 > No locals. > #7 0xfe90dcc8 in ~CLVector (this=0x23c248) at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/util/Equators.h:227 > itr = {_M_current = 0x71eb00} > #8 0xfe860dfc in ~Document (this=0x832e0) at /extpool/PACKAGES/DOVECOT/clucene-core-2.3.3.4/src/core/CLucene/document/Document.cpp:69 > No locals. > #9 0xfea18e30 in lucene_index_build_flush (index=0x8adc0) at lucene-wrapper.cc:493 > ret = 0 > #10 0xfea18f88 in lucene_index_build_more (index=0x8adc0, uid=4128, data=0x6b2b00 "<YYYYYYYYY(a)yyyyyyyyyy.yyy>", size=23, hdr_name=0x1b6508 "Return-Path") > at lucene-wrapper.cc:507 > id = {4, 0, 0, 0, -4196824, -15011172, 3114656, -4196336, 584416, 0, 11560, 0, 0, 0, 36, 7697128, 584416, 845, 0, 2382, 148880, 3114656, 3} > namesize = 9216 > datasize = 9216 > dest = Cannot access memory at address 0x1020 > (gdb) > > > > Here a couple of ( probably ) interesting stuff : > > root # grep "signal 10" /usr/local/dovecot/var/log/dovecot.log |wc > 33 284 2308 > root # grep "signal 11" /usr/local/dovecot/var/log/dovecot.log |wc > 69 549 4457 > root # grep "Lock obtain timed out" /usr/local/dovecot/var/log/dovecot.log |wc > 74 420 3976 > > Thus, 74 times of 102 seems to be tied to "IndexWriter() failed (#1): Lock obtain timed out" ( which I don't really understand, > or at least I have not enough comprehension of code to understand). > The path where lucene try to get a lock is not NFS, but is an automount on the same machine ( no NFS then ). > > It seems that the "Lock obtain timed out" happens every time I read a message with the MUA. > > This error ("Lock obtain") happens every time I read a message from my MUA, I think it's due to the indexing process running on READ > imap command: > > Apr 08 15:18:13 indexer: Error: Indexer worker disconnected, discarding 1 requests for xxxx > Apr 08 15:18:13 imap(xxxx): Error: indexer failed to index mailbox INBOX > Apr 08 15:18:13 indexer-worker(xxxx): Fatal: master: service(indexer-worker): child 18171 killed with signal 11 (core not dumped) > Apr 08 15:18:15 indexer-worker(xxxx): Error: lucene index /home/xxxx/Maildir/lucene-indexes: IndexWriter() failed (#1): Lock obtain timed out > > > When searching, instead, get the "Lock timeout" followed by another error: > > Apr 08 15:11:37 indexer: Error: Indexer worker disconnected, discarding 1 requests for xxxx > Apr 08 15:11:37 imap(xxxx): Error: indexer failed to index mailbox INBOX > Apr 08 15:11:37 indexer-worker(xxxx): Fatal: master: service(indexer-worker): child 17438 killed with signal 10 (core not dumped) > Apr 08 15:11:38 indexer-worker(xxxx): Error: lucene index /home/xxxx/Maildir/lucene-indexes: IndexWriter() failed (#1): Lock obtain timed out > Apr 08 15:11:51 indexer: Error: Indexer worker disconnected, discarding 1 requests for xxxx > Apr 08 15:11:51 imap(xxxx): Error: indexer failed to index mailbox INBOX > > > > In both case the signal ( 11 or 10, SEGV or SIGBUS ) it's indifferent ( sometimes is 10 sometimes is 11 ). > > Hope I've been able to explain, as my english seems to get worst every time ;) > > Pigi > >

2 1

[Dovecot] Configuring dovecot to use tcp wrappers
by Max Pyziur 11 Apr '13

11 Apr '13

Greetings, I am looking to implement tcp wrappers with dovecot; I am using the following two links as guides to configuration: http://blog.acsystem.sk/linux/brute-force-attack-dovecot-imap-server-blocki… http://wiki2.dovecot.org/LoginProcess (you need to go to the very bottom) I'm concerned in making the configuration correctly. If you set login_access_sockets = tcpwrap in /etc/dovecot/dovecot.conf Then everything accessing ports controlled by dovecot (and open by iptables) is blocked. So my question relates to the second part of the configuration examples in the links above: service tcpwrap { unix_listener login/tcpwrap { group = $default_login_user mode = 0600 user = $default_login_user } } Where does this code get placed (in dovecot.conf or in one of the files in /etc/dovecot/conf.d)? And regarding $default_login_user, it appears in a comment line in /etc/dovecot/conf.d/10-master.conf Should that line be uncommented? Much thanks. Max Pyziur pyz(a)brama.com Report of dovecot -n: pyz@pangea ~> dovecot -n # 2.1.1: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-358.2.1.el6.x86_64 x86_64 CentOS release 6.4 (Final) disable_plaintext_auth = no mail_location = mbox:~/mail:INBOX=/var/spool/mail/%u mbox_write_locks = fcntl 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 { driver = pam } ssl = no ssl_cert = </etc/pki/dovecot/certs/dovecot.pem ssl_key = </etc/pki/dovecot/private/dovecot.pem userdb { driver = passwd }

2 6

[Dovecot] [PATCHES] NetBSD support, authentication buffer size
by Emmanuel Dreyfus 11 Apr '13

11 Apr '13

Hi Here are a few unintegrated patches, just tested against 2.2rc7: 1) NetBSD's getmntinfo uses struct statvfs while other BSD use struct statfs http://ftp.espci.fr/shadow/manu/patch-ak 2) NetBSD 5.x net_getunixcred() support. Build on NetBSD, but not tested (I am testing on NetBSD 6.0): http://ftp.espci.fr/shadow/manu/patch-src_lib_net.c 3) Increase authentication buffer size so that it can cope with unusual authentication scheme. This patch was integrated in dovecot-1.x but did not make its way in dovecot-2.x http://ftp.espci.fr/shadow/manu/patch-src_lib-master_master-auth.h -- Emmanuel Dreyfus manu(a)netbsd.org

3 6

[Dovecot] Easy way to make all mailboxes of a user read-only
by Stephan von Krawczynski 11 Apr '13

11 Apr '13

Hello all, I try to configure dovecot to make all imap accesses read-only for a certain user. I thought this would be possible by creating a global acl file (here "global-acl") like: user=<username> lr and plugin { acl = vfile:/etc/dovecot/global-acls:cache_secs=300 } But that seems to be ignored. What is wrong with this idea, the docs are not really clear about a single acl file with global settings. -- Regards, Stephan

4 11

[Dovecot] v2.2.rc7 released
by Timo Sirainen 11 Apr '13

11 Apr '13

http://dovecot.org/releases/2.2/rc/dovecot-2.2.rc7.tar.gz http://dovecot.org/releases/2.2/rc/dovecot-2.2.rc7.tar.gz.sig OK, still not quite v2.2.0, but now it's definitely very close. :) * checkpasword: AUTH_PASSWORD environment is no longer set. * Running dsync no longer triggers quota warnings. + dsync: Commit large transactions every 100 new messages, so if a large sync crashes it doesn't have to be restarted from the beginning. - replicator: doveadm commands and user list export may have skipped some users. - Various fixes to mailbox_list_index=yes

2 4

[Dovecot] Dovecot distribution configuration files source
by Dave Gattis 11 Apr '13

11 Apr '13

Where can I find unaltered distribution config files (/etc/dovecot/ and /etc/dovecot/config.d/) for Dovecot 2.1.7? I upgraded from version 1 and had to butcher them to get it working. Now that I understand it better, I'd like to do it right. -- Dave

2 1

[Dovecot] My old email is not stored
by HylkeB 11 Apr '13

11 Apr '13

Hi, Im have not much experience with dovecot, postfix or debian, which i am using for my email server. But the thing is, everything worked just fine, until I found out that old emails were missing, only emails of a few months old exist on my server. I have no idea if this is a setting in dovecot, postfix or debian, or that something weird happened. But my question is, is there a setting in either dovecot, postfix or debian that i should check that could cause this behaviour, and if so, how do i check that? (opening and checking a conf file for example, or executing some commands in PuTTy). And if this is somehow default behaviour that cannot be changed, is there some other way to store all emails ever entered my inbox? Sincerely, Hylke Bron -- View this message in context: http://dovecot.2317879.n4.nabble.com/My-old-email-is-not-stored-tp41478.html Sent from the Dovecot mailing list archive at Nabble.com.

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[Dovecot] Proxying, pertinent values and features, SNI
by Christian Balzer 11 Apr '13

11 Apr '13

Hello, I'm looking into deploying dovecot as a proxy, currently using perdition. Have been using dovecot on the actual servers for years, nearly a decade. So far just 1.x, but for the proxy it will have to be 2.x (2.1.7 is the current Debian version), as the trigger for this change is the need to support multiple SSL certificates. All that happens on the proxy seems to be handled by the login processes, so that is why we're not seeing anything useful in the process titles or with doveadm, right? And from past comments by Timo I guess that adding such functionality isn't on his to-do list at all. A configurable capabilities string for POP would be quite welcome, but at least nothing is different between the 1.x backends and the 2.x proxy in that protocol. Speaking of 1.x versus 2.x, the feature to pass on the remote IP from the proxy to the backend is a 2.x thing only, correct? So I suppose any parameters really affecting this setup are default_process_limit and default_client_limit as well as the settings in service-imap-login and service pop-login. In particular mail_max_userip_connections never is looked at on the proxy as this check happens in the respective protocol AFTER login, rite? I presume to best support all(?) clients out there is to have "local_name" sections for SNI first and then "local" sections for IP address based certs. It is my understanding that SNI needs to be requested by the client, so aside from client bugs (nah, those don't exist ^o^) every client should get an appropriate response for TLS. Has anybody done a setup like that already? Regards, Christian -- Christian Balzer Network/Systems Engineer chibi(a)gol.com Global OnLine Japan/Fusion Communications http://www.gol.com/

3 5

[Dovecot] [PATCH proposal] make dsync preserve pop3_uidl_format
by Mark Zealey 11 Apr '13

11 Apr '13

Hi there, I ran into an issue yesterday (dovecot 2.0) whereby when we dsync messages from a local machine (sdbox) to a remote (Maildir) which have different pop3_uidl_formats configured, the uidl format is not preserved. There doesn't seem to be any way to force this in the code, although I suspect that Maildir sources with saved pop3 uidls would pass them correctly. Attached is a rough patch against 2.0.21 dsync which will generate the uidls on the client before passing them over to the destination. This only works for %u and %v currently, also because dsync doesn't read the whole config file you need to specify -o pop3_uidl_format=... to dsync. Mark

2 1

[Dovecot] Postfix/Dovecot/lmtp with virtual and local users
by David Obando 11 Apr '13

11 Apr '13

Hi all, I'm about to change my Debian mailserver setup from Postfix/dovecot1/procmail to Postfix/dovecot2/sieve with lmtp enabled. After enabling lmtp the virtual users can receive e-mails but not the local users: Mar 21 14:21:40 orange postfix/lmtp[4119]: DE62226216: to=<user(a)orange.domain.de>, relay=orange.domain.de[private/dovecot-lmtp], delay=7627, delays=7627/0/0/0.02, dsn=5.1.1, status=bounced (host orange.domain.de[private/dovecot-lmtp] said: 550 5.1.1 <user(a)orange.domain.de> User doesn't exist: user(a)orange.domain.de (in reply to RCPT TO command)) In 10-auth.conf I have the setting "auth_username_format = %Lu". When changing it to "auth_username_format = %n" the local users can be found but not the virtual users anymore. Is there a way to define "if <user> is local then auth_username_format = %n else auth_username_format = %Lu"? Thanks and best regards, David -- The day microsoft makes something that doesn't suck is the day they start making vacuum cleaners. gpg --keyserver pgp.mit.edu --recv-keys 1920BD87 Key fingerprint = 3326 32CE 888B DFF1 DED3 B8D2 105F 29CB 1920 BD87

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[Dovecot] crash with dovecot 2.2: Panic: Buffer full
by tonio＠starbridge.org 11 Apr '13

11 Apr '13

Hi Timo, I've got a crash with dovecot 2.2 dovecot --version 2.2.rc2 (69c26a9e3be5) It's occured when accessing with imap on a large mailbox (around 50k messages) imap(clean-quarantine(a)spamguard.fr): Panic: Buffer full (4254 > 4248, pool <none>) Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x6089a) [0x7f9d1bcde89a] -> /usr/lib/dovecot/libdovecot.so.0(+0x608de) [0x7f9d1bcde8de] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f9d1bca039b] -> /usr/lib/dovecot/libdovecot.so.0(+0x5d148) [0x7f9d1bcdb148] -> /usr/lib/dovecot/libdovecot.so.0(+0x56ba8) [0x7f9d1bcd4ba8] -> /usr/lib/dovecot/libdovecot.so.0(+0x4fa77) [0x7f9d1bccda77] -> /usr/lib/dovecot/libdovecot.so.0(+0x4faf2) [0x7f9d1bccdaf2] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x69) [0x7f9d1bce6de9] -> /usr/lib/dovecot/libdovecot.so.0(+0x6dcac) [0x7f9d1bcebcac] -> /usr/lib/dovecot/libdovecot.so.0(+0x6de59) [0x7f9d1bcebe59] -> /usr/lib/dovecot/libdovecot.so.0(+0x6df4b) [0x7f9d1bcebf4b] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x69) [0x7f9d1bce6de9] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) [0x7f9d1bce765d] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x9af84) [0x7f9d1bfd4f84] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_get_binary_stream+0x77) [0x7f9d1bfd5417] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_get_binary_stream+0x60) [0x7f9d1bfae5c0] -> /usr/lib/dovecot/libdovecot-storage.so.0(imap_msgpart_open+0x9f) [0x7f9d1c00a3df] -> dovecot/imap() [0x418f55] -> dovecot/imap() [0x4175fd] -> dovecot/imap(imap_fetch_more+0x34) [0x418554] -> dovecot/imap(cmd_fetch+0x309) [0x40e2c9] -> dovecot/imap(command_exec+0x3c) [0x41623c] -> dovecot/imap() [0x4152a0] -> dovecot/imap() [0x41535a] -> dovecot/imap(client_handle_input+0x115) [0x415615] -> dovecot/imap(client_input+0x72) [0x4159c2] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x36) [0x7f9d1bcee086] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xd7) [0x7f9d1bceeed7] Mar 16 13:37:19 mx2 dovecot: imap(clean-quarantine(a)spamguard.fr): Fatal: master: service(imap): child 9983 killed with signal 6 (core dumped) backtrace: #0 0x00007f9d1b926475 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f9d1b9296f0 in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x00007f9d1bcde8a8 in default_fatal_finish (type=<optimized out>, status=status@entry=0) at failures.c:191 backtrace = 0x62d5f0 "/usr/lib/dovecot/libdovecot.so.0(+0x6089a) [0x7f9d1bcde89a] -> /usr/lib/dovecot/libdovecot.so.0(+0x608de) [0x7f9d1bcde8de] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f9d1bca039b] -> /usr/lib/d"... #3 0x00007f9d1bcde8de in i_internal_fatal_handler (ctx=0x7fff68422000, format=<optimized out>, args=<optimized out>) at failures.c:652 status = 0 #4 0x00007f9d1bca039b in i_panic (format=format@entry=0x7f9d1bd0d510 "Buffer full (%lu > %lu, pool %s)") at failures.c:263 ctx = {type = LOG_TYPE_PANIC, exit_status = 0, timestamp = 0x0} args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff684220f0, reg_save_area = 0x7fff68422030}} #5 0x00007f9d1bcdb148 in buffer_check_limits (data_size=75, pos=4179, buf=<optimized out>) at buffer.c:65 extra = <optimized out> new_size = 4254 #6 buffer_write (_buf=0x7fff684221b0, pos=4179, data=0x679010, data_size=75) at buffer.c:178 buf = <optimized out> #7 0x00007f9d1bcd4ba8 in quoted_printable_decode_full ( src=src@entry=0x677eb0 "enter\" bgcolor=3D\"#ffffff\" width=3D\"560\">\n <table cellspacing=3D\"0\" border=3D\"0\" align=3D\"center\" style=3D\"margin: 0=\n auto;\" cellpadding=3D\"0\" width=3D\"520\"><tr>\n<td align=3D\"left\" width=3D\"520\">\n "..., src_size=5570, src_pos_r=src_pos_r@entry=0x7fff684221a8, dest=dest@entry=0x7fff684221b0, eof=eof@entry=false) at quoted-printable.c:60 hexbuf = "3D" src_pos = <optimized out> pos = <optimized out> next = <optimized out> errors = <optimized out> #8 0x00007f9d1bcd4d38 in quoted_printable_decode ( src=src@entry=0x677eb0 "enter\" bgcolor=3D\"#ffffff\" width=3D\"560\">\n <table cellspacing=3D\"0\" border=3D\"0\" align=3D\"center\" style=3D\"margin: 0=\n auto;\" cellpadding=3D\"0\" width=3D\"520\"><tr>\n<td align=3D\"left\" width=3D\"520\">\n "..., src_size=<optimized out>, src_pos_r=src_pos_r@entry=0x7fff684221a8, dest=dest@entry=0x7fff684221b0) at quoted-printable.c:108 No locals. #9 0x00007f9d1bccda77 in i_stream_qp_try_decode_block (bstream=bstream@entry=0x66dd50, eof=eof@entry=false) at istream-qp-decoder.c:63 stream = 0x66dd50 data = 0x677eb0 "enter\" bgcolor=3D\"#ffffff\" width=3D\"560\">\n <table cellspacing=3D\"0\" border=3D\"0\" align=3D\"center\" style=3D\"margin: 0=\n auto;\" cellpadding=3D\"0\" width=3D\"520\"><tr>\n<td align=3D\"left\" width=3D\"520\">\n "... size = 6 avail = 4248 buffer_avail = <optimized out> pos = <optimized out> buf = {data = 0x682e38, used = 4179, priv = {0x682e38, 0x0, 0x1098, 0x0, 0x0}} ret = <optimized out> #10 0x00007f9d1bccdaf2 in i_stream_qp_decoder_read (stream=0x66dd50) at istream-qp-decoder.c:103 bstream = 0x66dd50 pre_count = 0 post_count = <optimized out> ret = <optimized out> prev_size = 5570 __FUNCTION__ = "i_stream_qp_decoder_read" #11 0x00007f9d1bce6de9 in i_stream_read (stream=0x66ddb0) at istream.c:135 _stream = 0x66dd50 old_size = 0 ret = <optimized out> __FUNCTION__ = "i_stream_read" #12 0x00007f9d1bcebcac in read_more (sstream=0x66df30) at istream-seekable.c:140 size = <optimized out> ret = <optimized out> #13 0x00007f9d1bcebe59 in read_from_buffer (sstream=sstream@entry=0x66df30, ret_r=ret_r@entry=0x7fff684222c8) at istream-seekable.c:182 stream = 0x66df30 data = <optimized out> size = 0 pos = <optimized out> offset = <optimized out> __FUNCTION__ = "read_from_buffer" #14 0x00007f9d1bcebf4b in i_stream_seekable_read (stream=0x66df30) at istream-seekable.c:240 sstream = 0x66df30 data = <optimized out> size = <optimized out> pos = <optimized out> ret = <optimized out> __FUNCTION__ = "i_stream_seekable_read" #15 0x00007f9d1bce6de9 in i_stream_read (stream=stream@entry=0x66df90) at istream.c:135 _stream = 0x66df30 old_size = 0 ret = <optimized out> __FUNCTION__ = "i_stream_read" #16 0x00007f9d1bce765d in i_stream_read_data (stream=stream@entry=0x66df90, data_r=data_r@entry=0x7fff684223b0, size_r=size_r@entry=0x7fff684223b8, threshold=threshold@entry=0) at istream.c:464 ret = <optimized out> read_more = false __FUNCTION__ = "i_stream_read_data" #17 0x00007f9d1bfd4f84 in blocks_count_lines (full_input=0x66df90, ctx=0x7fff684223c0) at index-mail-binary.c:319 block_idx = 0 p = <optimized out> size = 0 data = 0x0 ret = <optimized out> cur_block = 0x62d410 block_count = 1 cur_offset = 3944 skip = <optimized out> #18 index_mail_read_binary_to_cache (_mail=_mail@entry=0x66fc00, part=part@entry=0x671ed0, include_hdr=include_hdr@entry=false, binary_r=binary_r@entry=0x7fff68422476, converted_r=converted_r@entry=0x7fff68422477) at index-mail-binary.c:393 mail = 0x66fc00 cache = 0x657a20 ctx = {mail = 0x66fc00, input = 0x66d900, has_nuls = false, converted = true, blocks = {arr = {buffer = 0x62d3d8, element_size = 24}, v = 0x62d3d8, v_modifiable = 0x62d3d8}, copy_start_offset = 13762} __FUNCTION__ = "index_mail_read_binary_to_cache" #19 0x00007f9d1bfd5417 in index_mail_get_binary_stream (_mail=0x66fc00, part=0x671ed0, include_hdr=false, size_r=0x7fff68422538, lines_r=<optimized out>, binary_r=0x7fff6842252e, stream_r=0x7fff68422600) at index-mail-binary.c:556 mail = 0x66fc00 cache = 0x657a20 input = <optimized out> binary = <optimized out> converted = <optimized out> __FUNCTION__ = "index_mail_get_binary_stream" #20 0x00007f9d1bfae5c0 in mail_get_binary_stream (mail=mail@entry=0x66fc00, part=part@entry=0x671ed0, include_hdr=include_hdr@entry=false, size_r=size_r@entry=0x7fff68422538, binary_r=binary_r@entry=0x7fff6842252e, stream_r=stream_r@entry=0x7fff68422600) at mail.c:243 _data_stack_cur_id = 5 p = 0x66fc00 ret = <optimized out> #21 0x00007f9d1c00a3df in imap_msgpart_open (mail=mail@entry=0x66fc00, msgpart=0x669920, result_r=result_r@entry=0x7fff68422600) at imap-msgpart.c:644 part = 0x671ed0 part_size = {physical_size = 6681664, virtual_size = 0, lines = 6684952} size = <optimized out> include_hdr = false binary = <optimized out> use_partial_cache = <optimized out> ret = 0 #22 0x0000000000418f55 in fetch_body_msgpart (ctx=0x660118, mail=0x66fc00, body=0x660748) at imap-fetch-body.c:164 result = {input = 0x0, size = 0, size_field = 0, binary_decoded_input_has_nuls = false} str = <optimized out> #23 0x00000000004175fd in imap_fetch_more_int (ctx=ctx@entry=0x660118, cancel=false) at imap-fetch.c:504 h = <optimized out> _data_stack_cur_id = 4 state = 0x660168 client = 0x65f440 handlers = 0x660448 count = 2 ret = <optimized out> __FUNCTION__ = "imap_fetch_more_int" #24 0x0000000000418554 in imap_fetch_more (ctx=0x660118, cmd=cmd@entry=0x660000) at imap-fetch.c:556 ret = <optimized out> __FUNCTION__ = "imap_fetch_more" #25 0x000000000040e2c9 in cmd_fetch (cmd=0x660000) at cmd-fetch.c:279 client = 0x65f440 ctx = 0x660118 args = 0x6388f8 next_arg = <optimized out> list_arg = 0x1bc79e60 search_args = 0x0 qresync_args = {qresync_sample_seqset = 0x638a58, qresync_sample_uidset = 0x0} messageset = 0x638a60 "1186590" send_vanished = <optimized out> ret = <optimized out> #26 0x000000000041623c in command_exec (cmd=cmd@entry=0x660000) at imap-commands.c:156 hook = 0x636d50 ret = <optimized out> #27 0x00000000004152a0 in client_command_input (cmd=0x660000) at imap-client.c:775 client = 0x65f440 command = <optimized out> __FUNCTION__ = "client_command_input" #28 0x000000000041535a in client_command_input (cmd=0x660000) at imap-client.c:836 client = 0x65f440 command = <optimized out> __FUNCTION__ = "client_command_input" #29 0x0000000000415615 in client_handle_next_command (remove_io_r=<synthetic pointer>, client=0x65f440) at imap-client.c:874 No locals. #30 client_handle_input (client=client@entry=0x65f440) at imap-client.c:886 _data_stack_cur_id = 3 ret = 240 remove_io = false handled_commands = false __FUNCTION__ = "client_handle_input" #31 0x00000000004159c2 in client_input (client=0x65f440) at imap-client.c:928 cmd = <optimized out> output = 0x65fe38 bytes = 37 __FUNCTION__ = "client_input" #32 0x00007f9d1bcee086 in io_loop_call_io (io=0x65ff00) at ioloop.c:387 ioloop = 0x6356f0 t_id = 2 #33 0x00007f9d1bceeed7 in io_loop_handler_run (ioloop=ioloop@entry=0x6356f0) at ioloop-epoll.c:215 ctx = 0x635a60 events = 0x0 event = 0x635ad0 list = 0x65ff50 io = <optimized out> tv = {tv_sec = 59, tv_usec = 738409} events_count = <optimized out> msecs = <optimized out> ret = 1 i = <optimized out> call = <optimized out> __FUNCTION__ = "io_loop_handler_run" #34 0x00007f9d1bcedbc8 in io_loop_run (ioloop=0x6356f0) at ioloop.c:406 No locals. #35 0x00007f9d1bca54e3 in master_service_run (service=0x635590, callback=callback@entry=0x41e790 <client_connected>) at master-service.c:550 No locals. #36 0x000000000040b940 in main (argc=1, argv=0x635390) at main.c:400 set_roots = {0x425ac0, 0x0} login_set = {auth_socket_path = 0x62d040 "\001", postlogin_socket_path = 0x0, postlogin_timeout_secs = 60, callback = 0x41e600 <login_client_connected>, failure_callback = 0x41e730 <login_client_failed>, request_auth_token = 1} service_flags = <optimized out> storage_service_flags = <optimized out> username = 0x0 c = <optimized out> Thanks for your help Tonio

3 8

[Dovecot] Pigeonhole 0.3.4: Warning: sieve: encountered corrupt binary: re-compiling script
by Daniel Piddock 10 Apr '13

10 Apr '13

Hi all, Upgraded to Dovecot 2.1.16 and Pigeonhole 0.3.4 yesterday. We use lmtp and sieve. I've now started to see in the logs the following entries: >Warning: Jz6kNv8AY1FdfQAAVMeomg: sieve: encountered corrupt binary: re-compiling script [script path] The script then appears to run correctly and the message gets stored where ever it should be. This only appears to be happening for a few users and although it happens on the majority of their messages it doesn't happen for every single one. What's the best way to start debugging? Thank, Dan

2 4

[Dovecot] thunderbird detach attachment
by mourik jan heupink 10 Apr '13

10 Apr '13

Hi all, Thunderbird has an option to detach attachments from (for example) sent items. I've tried it, and it does not work, and also in the dovecot logs I don't see anything interesting meanwhile. Before looking deeper into this: Does anyone here know if this option is known to work, or not? We're running dovecot 2.1.7 on debian wheezy. Removing unwanted attachments is a nice way to keep mail archives smaller... Thanks, MJ

3 4

[Dovecot] failed compiling dovecot 2.1.16 under solaris
by Jürgen Obermann 10 Apr '13

10 Apr '13

Hello, compiling doevoct-2.1.16 with sun-compiler under solaris 10 gave me the following error source='quota-status.c' object='quota-status.o' libtool=no \ DEPDIR=.deps depmode=none /bin/bash ../../../depcomp \ cc -DHAVE_CONFIG_H -I. -I../../.. -I../../../src/lib -I../../../src/lib-master -I../../../src/lib-dict -I../../../src/lib-index -I../../../src/lib-mail -I../../../src/lib-storage -I../../../src/lib-storage/index -I../../../src/lib-storage/index/maildir -I../../../src/doveadm -I/usr/local/include -fast -xarch=v8plusa -I/usr/sfw/include -c quota-status.c "../../../src/lib-storage/mailbox-list.h", line 13: warning: useless declaration "quota-status.c", line 200: undefined symbol: optarg "quota-status.c", line 200: warning: improper pointer/integer combination: arg #1 cc: acomp failed for quota-status.c I could solve this problem with *** ./src/plugins/quota/quota-status.c.orig Thu Apr 4 22:58:30 2013 --- ./src/plugins/quota/quota-status.c Tue Apr 9 16:08:12 2013 *************** *** 11,16 **** --- 11,17 ---- #include "mail-storage-service.h" #include "quota-private.h" #include "quota-plugin.h" + #include <stdlib.h> enum quota_protocol { QUOTA_PROTOCOL_UNKNOWN = 0, but I don't know if this is the correct way to fix it. Greetings, Jürgen -- Jürgen Obermann Hochschulrechenzentrum der Justus-Liebig-Universität Gießen Heinrich-Buff-Ring 44 Tel. 0641-9913054

2 2

[Dovecot] How to see folders/subfolders/emails through imap
by Stephan von Krawczynski 10 Apr '13

10 Apr '13

Hello all, I am trying to do something very simple - at least thats what I thought. I have some fs, it contains folders and subfolders with email files ordered like maildir. Now I try to set up dovecot on top simply to let some imap account watch these email files. But I cannot see any folders at all. I can create new folders and see them, but I cannot create subfolders as subdirs like "folder/subfolder". Instead I get "folder.subfolder" dirs on the fs. I tried to set the separator to "/", but that does not help at all. Is there some easy way to configure dovecot to display: <somedir>/<folder1>/<subfolder1>/new/files... <subfolder2>/new/files... <subfolder3>/new/files... according to fs layout on some imap-client (like thunderbird)? -- Regards, Stephan

5 9

Re: [Dovecot] Any simple way to block logins by IP address?
by Joseph Tam 10 Apr '13

10 Apr '13

Steve Campbel writes: > Does Dovecot have a facility to block pop3 and imap logins by IP > address. I usually do this by putting the IPs in my border firewall, but > it's in transition currently to a new one, and I'd like to end > connection fairly fast. You probably want to compile in tcp_wrapper support and handle it that way http://wiki2.dovecot.org/LoginProcess You might also hook into a the post-login script if you need some bizarre logic to determine whether to allow a login or not, but this is later in the session setup rather than block-on-sight like a firewall. http://wiki2.dovecot.org/PostLoginScripting Joseph Tam <jtam.home(a)gmail.com>

1 0

[Dovecot] 2.2.0rc6: crash with mailbox_list_index=yes (and virtual?)
by Lutz Preßler 10 Apr '13

10 Apr '13

Hello (Timo), depending on the client (with OfflineIMAP, but not a mobile one) my dovecot test configuration (config on request) crashes if mailbox_list_index=yes: Apr 9 09:26:31 host dovecot: imap-login: Login: user=<user>, method=CRAM-MD5, rip=2001:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx, lip=2001:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx, mpid=19028, TLS, session=</+vqeOjZ1wAgAQY4BgPRMwIMKf/+amcv> Apr 9 09:26:31 host dovecot: imap(19028, user) /+vqeOjZ1wAgAQY4BgPRMwIMKf/+amcv: Panic: file mail-index-view.c: line 169 (view_lookup_full): assertion failed: (seq > 0 && seq <= mail_index_view_get_messages_count(view)) Apr 9 09:26:31 host dovecot: imap(19028, lpmailext) /+vqeOjZ1wAgAQY4BgPRMwIMKf/+amcv: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x61 75a) [0x7fca0248c75a] -> /usr/lib/dovecot/libdovecot.so.0(+0x617a6) [0x7fca0248c7a6] -> /usr/lib/dovecot/libdovecot.so.0(i_error+0) [0x7fca0244d3cf] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0xc9b5e) [0x7fca027adb5e] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0xca238) [0x7fca027ae238] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_lookup_ext+0x17) [0x7fca027ad2b7] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_list_index_status+0x11f) [0x7fca0277559f] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_list_index_status_set_info_flags+0x8d) [0x7fca0277606d] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_list_index_iter_next+0x18d) [0x7fca0277383d] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x93177) [0x7fca02777177] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_list_iter_next+0x255) [0x7fca02777465] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x94881) [0x7fca02778881] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x93177) [0x7fca02777177] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_list_iter_next+0x3c0)[0x7fca027775d0] -> /usr/lib/dovecot/modules/lib20_virtual_plugin.so(virtual_config_read+0x97d) [0x7fca0065344d] -> /usr/lib/dovecot/modules/lib20_virtual_plugin.so(+0x93c5) [0x7fca006553c5] -> /usr/lib/dovecot/modules/lib20_zlib_plugin.so(+0x2a8c) [0x7fca00447a8c] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x7dd94) [0x7fca02761d94] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_open+0xf) [0x7fca02761f4f] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mailbox_get_metadata+0x5da) [0x7fca0278a41a] -> /usr/lib/dovecot/modules/lib20_virtual_plugin.so(+0x8d48) [0x7fca00654d48] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x91f05) [0x7fca02775f05] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_get_metadata+0x6e) [0x7fca02761b6e] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_list_index_sync_name+0x2e6) [0x7fca02776b66] Apr 9 09:26:31 host dovecot: imap(19028, user) /+vqeOjZ1wAgAQY4BgPRMwIMKf/+amcv: Fatal: master: service(imap): child 19028 killed with signal 6 (core dumped) gdb bt full attached. Haven't tested yet if disabling virtual namespaces makes a difference. Neither logged triggering IMAP commands. Regards, Lutz

2 1

[Dovecot] How to exec /usr/libexec/dovecot/imap with specific maildir location
by David Woodhouse 09 Apr '13

09 Apr '13

Once upon a time I could configure my mailer to access my historical archives by running something like ssh $mailserver MAIL=maildir:~/Maildir-archive dovecot --exec-mail imap I need to run /usr/libexec/dovecot/imap manually now, and I've fixed that a while ago for my normal email access. But I've just had cause to go back to my archives for the first time in a while... and realised that I don't know how to make it work any more. When invoking /usr/libexec/dovecot/imap, is there an environment variable or command line option which can set the mail location? -- dwmw2

2 2

[Dovecot] Any simple way to block logins by IP address?
by Steve Campbell 09 Apr '13

09 Apr '13

Does Dovecot have a facility to block pop3 and imap logins by IP address. I usually do this by putting the IPs in my border firewall, but it's in transition currently to a new one, and I'd like to end connection fairly fast. If it matters, I'm using 2.0.9. Thanks steve campbell

1 0

[Dovecot] Received date on emails is wrong after file copying
by maia＠weiser.dk 09 Apr '13

09 Apr '13

Hi, I have installed a new mail server where I'm migrating from Courier to Dovecot. I have made a mistake when I was copying over the emails so the date/time mark on them is updated. So all my mails are now from the copy date/time and not the real receive time. I have tried to copy the emails over again, so they get the right date/time on the file level. And when I look at a single email in details in SquirrelMail it has now the right date/time, but when I look at the overview of a folder it still have the copy date/time on them. Is there any way to get the date/time in the overview updated, maybe delete some index files or force it to re-index? I'm not even sure that the problem is in Dovecot. But I'm sure You can help me here. Best Regards, Kim Johansen

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[Dovecot] script to detect dictionary attacks
by Reindl Harald 09 Apr '13

09 Apr '13

Hi has someone a script which can filter out dictionary attacks from /var/log/maillog and notify about the source-IPs? i know about fail2ban and so on, but i would like to have a mail with the IP address for two reasons and avoid fail2ban at all because it does not match in the way we maintain firewalls * add the IP to a distributed "iptables-block.sh" and distribute it to any server with a comment and timestamp * write a abuse-mail to the ISP

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[Dovecot] 2.1.16 Solaris 10 compile regression Sunstudio compiler
by Tomi Vainio 09 Apr '13

09 Apr '13

Hi, src/plugins/quota/quota-status.c won't compile due to missing include <getopt.h> needed for optarg % make source='quota-status.c' object='quota-status.o' libtool=no \ DEPDIR=.deps depmode=none /bin/bash ../../../depcomp \ cc -DHAVE_CONFIG_H -I. -I../../.. -I../../../src/lib -I../../../src/lib-master -I../../../src/lib-dict -I../../../src/lib-index -I../../../src/lib-mail -I../../../src/lib-storage -I../../../src/lib-storage/index -I../../../src/lib-storage/index/maildir -I../../../src/doveadm -I/usr/local/include -I/usr/sfw/include -xO4 -xtarget=ultra3cu -xcache=64/32/4:8192/512/2 -I/usr/sfw/include -c quota-status.c "../../../src/lib-storage/mailbox-list.h", line 13: warning: useless declaration "quota-status.c", line 200: undefined symbol: optarg "quota-status.c", line 200: warning: improper pointer/integer combination: arg #1 cc: acomp failed for quota-status.c *** Error code 2 make: Fatal error: Command failed for target `quota-status.o' Also 2.2.rc6 fails when using Sunstudio make but works with gmake Making all in lib-http make: Fatal error in reader: Makefile, line 725: Unexpected end of line seen Tomppa

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Re: [Dovecot] make check error for Pigeonhole v0.3.4 for Dovecot v2.1.16
by Stephan Bosch 09 Apr '13

09 Apr '13

On 4/8/2013 8:16 PM, Giam Teck Choon wrote: > Hi, > > When I compile Pigeonhole v0.3.4 with Dovecot v2.1.16 until make check > output as below from my rpmbuild output: > > Test case: ./tests/extensions/mailbox/execute.svtest: > 1: Test 'MailboxExists - None exist' SUCCEEDED > 2: Test 'MailboxExists - Not all exist' SUCCEEDED > 3: Test 'MailboxExists - One exists' SUCCEEDED > 4: Test 'MailboxExists - All exist' SUCCEEDED > 5: Test ':Create' SUCCEEDED > PASS: 5 tests succeeded. > Test case: ./tests/extensions/date/basic.svtest: > 1: Test 'Defaults' SUCCEEDED > 2: Test 'Count' SUCCEEDED > 3: Test 'Invalid' SUCCEEDED > 4: Test 'Comparison' FAILED: date is invalid: 2009-07-23 > FAIL: 1 of 4 tests failed. > RPM build errors: > make: *** [tests/extensions/date/basic.svtest] Error 1 > error: Bad exit status from /var/tmp/rpm-tmp.CIcpqx (%check) > Bad exit status from /var/tmp/rpm-tmp.CIcpqx (%check) You're not the first one to notice: http://hg.rename-it.nl/dovecot-2.1-pigeonhole/rev/bc2126771d00 This is one of those genuine phase-of-the-moon kind of bugs :) Hmm, maybe I should make a new release for this problem already. Regards, Stephan.

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[Dovecot] "No such file or directory" error setting up dict quota for mdbox
by ADRIAN SANTOS MARRERO 09 Apr '13

09 Apr '13

Hi, I've some troubles setting up the dict based quota plugin for mdbox, it always returns a error when lmtp tries to deliver an e-mail: Apr 8 12:40:16 mb07 dovecot: lmtp(3001, asmarre(a)ull.es) Error: fstat(/sharedfs/10.4.1.107/ull.es/54/asmarre/dovecot-quota.lock) failed: No such file or directory Apr 8 12:40:16 mb07 dovecot: lmtp(3001, asmarre(a)ull.es) Error: file dict commit: file_dotlock_open(/sharedfs/ 10.4.1.107/ull.es/54/asmarre/dovecot-quota) failed: No such file or directory Apr 8 12:40:16 mb07 dovecot: lmtp(3001, asmarre(a)ull.es) Error: dict quota: Quota update failed, it's now desynced In fact lmtp does create the dovecot-quota.lock file but it does not update the dovecot-quota file. If I run "doveadm quota recalc -u asmarre" it works and updates the dovecot-quota file. The version of dovecot that I'm using is 2.0.19 and the configuration is: # 2.0.19: /etc/dovecot/dovecot.conf # OS: Linux 3.2.0-32-generic x86_64 Ubuntu 12.04.2 LTS mail_debug = yes mail_location = mdbox:%h mail_plugins = quota 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 { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { quota = dict:User quota::file:%h/dovecot-quota quota_rule = *:storage=1G quota_warning = storage=95%% quota-warning 95 quota_warning2 = storage=85%% quota-warning 85 sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } postmaster_address = postmaster(a)ull.es protocols = " imap lmtp sieve pop3" service lmtp { inet_listener lmtp { port = 24 } } service managesieve-login { inet_listener sieve_deprecated { port = 2000 } } service quota-warning { executable = script /opt/ccti/correo/buzones/quota_warning.sh unix_listener quota-warning { user = dovecot } user = dovecot } ssl_cert = </etc/ssl/certs/www.ull.es.chain.crt ssl_key = </etc/ssl/private/www.ull.es.key userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocol lmtp { mail_plugins = quota sieve zlib } protocol imap { mail_plugins = quota imap_quota } protocol pop3 { pop3_no_flag_updates = yes pop3_uidl_format = %v.%u } Thanks in advance.

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[Dovecot] LMTP Setup/Design Help Request
by Matthias Hofer 09 Apr '13

09 Apr '13

Hi altogether, I am switching from dbmail 2.2 to dovecot 2.1.7, and I was able to do a successful transition of IMAP. But I had a very hard time with receiving mail, and in the end -- after loads of reading and debugging -- I broke down and failed. This is why I am asking you for your kind help. I only have virtual users and have set mail_uid = dovemail mail_gid = dovemail For authentication, I simply use (for now) a flat file: passdb { driver = passwd-file args = scheme=PLAIN username_format=%u /etc/dovecot/mypasswd.file } # cat /etc/dovecot/mypasswd.file user1:{PLAIN}userpw1 user2:{PLAIN}userpw2 user3:{PLAIN}userpw3 And everything works fine with IMAP. I am completely domain-agnostic here. But I was not able to use this fine setup to receive mails with my postfix. I tried about 13 different configurations, some with considerable changes dovecot-config, the passwd-file or postfix, but I could not find a single variant working. In this situation, I would be very happy if somebody could give me a hint, which would be the prudent way to configure dovecot, LDA/LMTP and postfix based on the setup above. Thank you very much in advance, and have a great time, Matthias Hofer

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[Dovecot] repeating dsync - questions
by Bob Gustafson 08 Apr '13

08 Apr '13

I'm moving/converting email from one system to another The source system is: Dual core x86_64 6GB memory 180 GB raid1 disks ext4 Fedora 9 Dovecot 1.0.15 Maildir format The destination system is: Dual core x86_64 2GB memory 1TB raid1 disks ext4 Fedora 18 Dovecot 2.1.15 sdbox format I am moving mail in a series of steps: 0) cd ( to mail user home directory ) mkdir Maildir 1) # rsync mail from source system (hoho4) to current (hoho0) time rsync -arv --times hoho4:/home/bobgus/Maildir/ /home/bobgus/Maildir/ This step takes about 37 minutes the first time 2) # dsync mirror/convert to sdbox format on current system time dsync mirror maildir:~/Maildir This step takes about 858 minutes (!!) Looking at -D messages indicates that dsync is deciding between duplicates much of the time. Looking at the results in a mail browser (Evolution), it seems fine, although the latest mails are not there. 3) # pick up more current mail - use same script as in 1) time rsync -arv --times hoho4:/home/bobgus/Maildir/ /home/bobgus/Maildir/ This step takes about 5 minutes although this varies depending on the amount of new mail. 4) # repeat the 2) dsync step time dsync mirror maildir:~/Maildir This is where things look peculiar. When I look at the directory of sdbox/mailboxes, I see duplicated directories [bobgus@hoho0 sdbox]$ cd mailboxes [bobgus@hoho0 mailboxes]$ ls Apple Mail To Do Apple Mail To Do_2a47983780615e5179600000ba55d82c Deleted Messages Deleted Messages_2847983780615e5179600000ba55d82c Drafts Drafts_2447983780615e5179600000ba55d82c Important Important_2947983780615e5179600000ba55d82c INBOX INBOX_1547983780615e5179600000ba55d82c Sent Sent_2547983780615e5179600000ba55d82c Trash Trash_2747983780615e5179600000ba55d82c The 2nd dsync step has not completed yet. I'm wondering whether the extra directory will be magically moved into the older directory. (This is unlikely because the file names are duplicated in the new directory) ------- Is this expected behavior? Are there command changes I can make to speed up the process? Eliminate the duplicate directories?

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[Dovecot] dovecot 2 variables
by Pavel Dimow 08 Apr '13

08 Apr '13

Hi, I am trying to use separate configurations for ldap authentication thus providing users with the ability to only use username without domain part. Now according to documentation this should be possible http://wiki2.dovecot.org/AuthDatabase/PasswdFile but I keep getting error in my dovecot.log like this auth: Error: Can't open configuration file /etc/dovecot/%l/dovecot-ldap.conf: No such file or directory Why does dovecot does not expand %l to local ip address?

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[Dovecot] dsync replication: quota counted twice
by Oli Schacher 08 Apr '13

08 Apr '13

Hi I enabled quota + warnings in my replication test setup and now whenever a mail gets delivered the quota is counted twice (probably due to both servers using the same mysql quota backend) and quota warnings are fired too early. After a doveadm quota recalc -u <username> the quota is correct again. How do I make dovecot only count the quota on the server where the mail was added originally? dovecot -n is the same as in my previous message to the list today http://www.dovecot.org/list/dovecot/2013-April/089558.html (thanks Timo for the hint in this thread btw, changing the permissions made the errors go away) Thanks Oli -- message transmitted on 100% recycled electrons

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[Dovecot] Dovecot Configuration
by Andreas K. 08 Apr '13

08 Apr '13

Can somebody, please, point me in the right direction in finding a COMPLETE and EXACT definition of the Dovecot configuration hierarchy. In other words what configuration options exist both at the top level but also at each subconfiguration elements (ex. sections etc). While my C is a bit rusty, I can still make sense of source code and with a bit of effort I will figure it out. I have been going through the src/config/all-settings.c but still have large gaps. A hint in the right direction on how the config works might help clarify and speed things up. Thanks Andreas Kasenides

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[Dovecot] Problem with fts lucene, on solaris 10
by Pigi 08 Apr '13

08 Apr '13

Hi all, I'm planning to migrate my courier-imap imap server to dovecot, but I'm experiencing a strange issue with fts-lucene plugin. Basically, every time I start a search, the log starts to write: Apr 05 19:30:53 indexer: Error: Indexer worker disconnected, discarding 1 requests for XXXXXX Apr 05 19:30:53 indexer-worker(XXXXX): Fatal: master: service(indexer-worker): child 809 killed with signal 11 (core not dumped) Apr 05 19:30:53 imap(XXXXXX): Error: indexer failed to index mailbox INBOX Apr 05 19:30:56 indexer-worker(XXXXX): Error: lucene index /home/XXXXX/Maildir/lucene-indexes: IndexWriter() failed (#1): Lock obtain timed out When trussing the indexer-worker pid I can see it ends with: ...SNIP... 527: brk(0x005A7840) = 0 527: brk(0x005AD840) = 0 527: pread64(16, " I G E N E R I C I < /".., 8170, 24514) = 8170 527: brk(0x005AD840) = 0 527: brk(0x005B3840) = 0 527: Incurred fault #5, FLTACCESS %pc = 0xFEBD6DDC 527: siginfo: SIGBUS BUS_ADRALN addr=0x005B50BA 527: Received signal #10, SIGBUS [default] 527: siginfo: SIGBUS BUS_ADRALN addr=0x005B50BA I cannot get a core, but either root ( user that is starting the dovecot ) than the user XXXXX have unlimited coresize XXXXX /home/XXXXXXX > ulimit -a time(seconds) unlimited file(blocks) unlimited data(kbytes) unlimited stack(kbytes) 8192 coredump(blocks) unlimited nofiles(descriptors) 256 vmemory(kbytes) unlimited root # ulimit -a core file size (blocks, -c) unlimited data seg size (kbytes, -d) unlimited file size (blocks, -f) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 10 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 29995 virtual memory (kbytes, -v) unlimited The mailbox for user XXXXXX ( Maildir stile, for speed-up migration ) has ~ 4000 messages. The search ends, but I think it don't use the lucene plugin ( it crashes ). I'm sure I'm missing something, but I can't really find what. All stuff have been self compiled, using standard flags as per "configure" scripts. Thanks for any hint. Pigi here the environment: uname -a SunOS puma 5.10 Generic_137137-09 sun4u sparc SUNW,Sun-Fire-V240 ( yes, I know, it's quite old ;) ) ======= dovecot --version 2.1.15 ======= doveconf -n # 2.1.15: /usr/local/dovecot/etc/dovecot/dovecot.conf # OS: SunOS 5.10 sun4u debug_log_path = /usr/local/dovecot/var/log/dovecot-debug.log disable_plaintext_auth = no first_valid_uid = 100 info_log_path = /usr/local/dovecot/var/log/dovecot-info.log log_path = /usr/local/dovecot/var/log/dovecot.log mail_location = maildir:~/Maildir mail_plugins = " fts fts_lucene" namespace { inbox = yes location = prefix = INBOX. separator = . } passdb { driver = pam } plugin { fts = lucene fts_lucene = whitespace_chars=@. } service imap-login { inet_listener imap { port = 144 } } service indexer-worker { drop_priv_before_exec = yes } service pop3-login { inet_listener pop3 { port = 112 } } ssl = no userdb { driver = passwd } ============= gcc -v Reading specs from /usr/sfw/lib/gcc/sparc-sun-solaris2.10/3.4.3/specs Configured with: /sfw10/builds/build/sfw10-patch/usr/src/cmd/gcc/gcc-3.4.3/configure --prefix=/usr/sfw --with-as=/usr/ccs/bin/as --without-gnu-as --with-ld=/usr/ccs/bin/ld --without-gnu-ld --enable-languages=c,c++ --enable-shared Thread model: posix gcc version 3.4.3 (csl-sol210-3_4-branch+sol_rpath) ============= clucene clucene-core-2.3.3.4 libstemmer_c libtextcat-2.2 openssl-1.0.1e

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[Dovecot] checkpassword protocol
by dovecot.pkoch＠dfgh.net 08 Apr '13

08 Apr '13

Hi, I'm writing a checkpassword script in order to support our OTP token as a fallback for client certificate authentication. Here are two questions: 1) It seems to me that the username and the password will be delivered to my script both on file descriptor 3 and via the environment variables AUTH_USER and AUTH_PASSWORD. May I ignore file descriptor 3 and use the environment variables or may it happen that these variables will have differnet content from what is sent via fd 3? 2) There seems to be some undocumented interaction between dovecot and my script via file descriptor 4. Seems that whatever I write to fd 4 will show up in syslog (unless it contains newlines). Can I use this "feature" to send error messages from my script to dovecot? What data does dovecot expect on fd 4? Peter

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[Dovecot] ssl_require_crl does not work as expected
by dovecot.pkoch＠dfgh.net 08 Apr '13

08 Apr '13

Hi I'm trying to use dovecot with client certificates. We produce our certificates with our on CA and we do NOT use certificate revocation lists. So I put "ssl_require_crl = no" into 10-ssl.conf. I did not find a solution neither in the wiki nor somewhere else, so I finally started to read the source. My impression is that openssl will always try to use CRLs. If "ssl_require_crl = no" dovecot will use CRLs but tries to ignore openssl error codes X509_V_ERR_UNABLE_TO_GET_CRL and X509_V_ERR_CRL_HAS_EXPIRED. This is done in ssl_verify_client_cert() in ssl-proxy-openssl.c line 871, namely i_info("proxy=%d, require_crl=%d, error=%d", proxy->client_proxy, proxy->set->ssl_require_crl, ctx->error ); if (proxy->client_proxy && !proxy->set->ssl_require_crl && (ctx->error == X509_V_ERR_UNABLE_TO_GET_CRL || ctx->error == X509_V_ERR_CRL_HAS_EXPIRED)) { /* no CRL given with the CA list. don't worry about it. */ preverify_ok = 1; } With my setup proxy->client_proxy is 0. I added the i_info() to check this and with this modification my syslog shows: Apr 7 13:01:16 d600 dovecot: master: Dovecot v2.1.15 starting up (core dumps disabled) Apr 7 13:01:21 d600 dovecot: auth: Debug: Loading modules from directory: /usr/dovecot/lib/dovecot/auth Apr 7 13:01:21 d600 dovecot: auth: Debug: auth client connected (pid=26175) Apr 7 13:01:22 d600 dovecot: imap-login: proxy=0, require_crl=0, error=3 Apr 7 13:01:22 d600 dovecot: imap-login: Invalid certificate: unable to get certificate CRL: /CN=...user cert.../C=DE Apr 7 13:01:22 d600 dovecot: imap-login: proxy=0, require_crl=0, error=3 Apr 7 13:01:22 d600 dovecot: imap-login: Invalid certificate: unable to get certificate CRL: /CN=...intermedieate cert.../C=DE Apr 7 13:01:22 d600 dovecot: imap-login: proxy=0, require_crl=0, error=3 Apr 7 13:01:22 d600 dovecot: imap-login: Invalid certificate: unable to get certificate CRL: /CN=Root-CA.../C=DE I dont know what the proxy-stuff is about so instead of ignoring CRL-related errors I tried to disable CRL-checking. I therefore commented out two lines in ssl_proxy_ctx_verify_client() in ssl-proxy-openssl.c line 1004, namely: // X509_STORE_set_flags(store, X509_V_FLAG_CRL_CHECK | // X509_V_FLAG_CRL_CHECK_ALL); This tells OpenSSL not to check CRLs. Of course in production code this should be done only if "ssl_require_crl = no". Similar code is contained in iostream-openssl-context.c, namely in routine ssl_iostream_ctx_verify_remote_cert() Is this a bug? Peter

2 1

[Dovecot] client limit and STARTTLS
by David Benfell 08 Apr '13

08 Apr '13

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi all, I'm migrating from one system to another. Both are Arch Linux, but copying the configurations and just modifying them for IP addresses and hostnames didn't work. Here's doveconf -n # 2.1.15: /etc/dovecot/dovecot.conf doveconf: Warning: service auth { client_limit=256 } is lower than required under max. load (3072) doveconf: Warning: service anvil { client_limit=256 } is lower than required under max. load (2051) # OS: Linux 3.8.4-1-ARCH x86_64 base_dir = /var/run/dovecot/ default_client_limit = 256 default_process_limit = 1024 login_trusted_networks = 10.8.0.0/16 127.0.0.0/8 mail_location = maildir:~/Maildir mail_max_userip_connections = 30 passdb { args = failure_show_msg=yes driver = pam } service auth { unix_listener /var/spool/postfix/private/auth { mode = 0666 } } ssl_cert = </big/www/ssl/www.cybernude.org_publickey.pem ssl_key = </big/www/ssl/www.cybernude.org_privatekey.pem userdb { driver = passwd } Obvious first question: I can't figure out how to make dovecot happy with the client and process limits. I'm not terribly worried about going overboard here, though I have a very small number of users; the migration is to a much more capable system. But I would like to stop looking at the warning. It doesn't seem to matter what I put where--it keeps complaining. Second question: STARTTLS isn't working. What am I missing? Sorry if this is something that should be obvious; I'm fighting a similar battle with postfix and I'm being pushed around the bend while I really need to be working on other things. Thanks! -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJRXy6nAAoJELJhbl/uPb4SsTAQALIkmDwCwPlCNPtJr482lVNj vsNHX4TvTy0Xu4adtxFqJQM30EoEpu4A983CTm81jUFYKqDIBRJ3SAVOGf58lCQ1 uJhoyL0yhCaO9Zh7WZKdmhB+Jnek2+Rz2cpfOP4VseLL7Lg3OIwI4K/YiDAIcwnW do/tvuJEL6SDDcDA3gOjDJ7gkykg34tJ02nnG65Yau0y563FT7npXKFnwGSn1X0+ GTFUwpZx5xp90eUZBLoTBPcnXohKlWhYxa2POHgm7eraK8k+aD9/2zlThQL6/qIx HQKcSkZjB1CTgKGysp+msaR/gS5HiHILadB3opP8p7baGNG9jhifKE6LJavREH8p PsxxCpTnf8d+xbbJVeDx6cyz7NQ8rNLals1qtPLAY4F04Uh400FjJov/dJruBISZ QvASZPOtyZHuswUnSTtX22WOg2QIvyO5GyzqPGZ/0+MtgbtJxwizsyCTEFuTkq+r RvsW1cltVsDKCFCCcjrkRzWu+xbDrkX42tNUnhi4YSJ5wcKQMRiqQBTtyCYT88sy Ws9WtNaElOERxQeydmizvxIuFIoLapdPtfyRDSGoDOo0Cnq/QSIzvQNdOVbqqSBt hcIVDNHTw8O5UfOhhbo+YT8QIBwD8J/uPxLfV72ep7nQBJh8XOymHJXGtQR8+H4x 6aey6+bafQ/YHtuS63bz =4qNn -----END PGP SIGNATURE-----

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