- dovecot - dovecot.org

Missing hits when performing full-text searches
by Frerich Raabe 08 Dec '14

08 Dec '14

Hi, we're running Dovecot 2.1.7 together with Solr for efficient fulltext search. A couple of days ago we reinstalled our Solr server on a new machine. After adjusting our Dovecot setup to use the new server, it took a few days to notice that something seems fishy about our full-text search: expected hits wouldn't be shown among the search results. For instance, one of the folders (a shared, read-only folder which is basically a mailinglist archive) with about 210k messages has a plaintext mail with the text 'Amman'. However, logging into the IMAP server and issueing a . SEARCH TEXT Amman In the folder doesn't yield any hits. It seems that this happens for older mails only -- trying other keywords, we did notice hits in recent mails but not in older ones. Some caching related to the old Solr server causing issues? Debugging this further, I noticed that the above IMAP command shows this in the Solr log files: INFO: [] webapp=/solr path=/select params={fl=uid,score&sort=uid+asc&q=(hdr:"Amman"+OR+body:"Amman")&fq=%2Bbox:b68ece09e22fb9502d34010017227a26+%2Buser:""&rows=209392} hits=0 status=0 QTime=229 And indeed, something like $ curl 'http://indexer:8080/solr/select?fl=uid,score&sort=uid+asc&q=(hdr:"Amman"+OR+body:"Amman")&fq=%2Bbox:b68ece09e22fb9502d34010017227a26+%2Buser:""&rows=209392' Yields no results. However, I noticed that if I remove the 'fq=' part from the query then I get a bunch of hits. Alas, I don't know whether those are to be expected or not. Does anybody have an idea what might cause this, or what the meaning of that 'box' checksum is? -- Frerich Raabe - raabe(a)froglogic.com www.froglogic.com - Multi-Platform GUI Testing

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userdb lookup not possible with only userdb prefetch
by Yves Goergen 08 Dec '14

08 Dec '14

Hello, I am setting up a new server and migrating my Dovecot 1.2.9 config to the new 2.2.9 version. There wasn't much to keep from the old version so I had to recreate the config from scratch. Now I think I'm done but I can't login to IMAP. The log says this: > dovecot: auth: Error: prefetch(box@****.de,2001:****:7765,<bzAOP5QJXwAgAQpgEAXJAZyOMB1qBXdl>): userdb lookup not possible with only userdb prefetch > dovecot: auth: Error: userdb(box@****.de,2001:****:7765,<bzAOP5QJXwAgAQpgEAXJAZyOMB1qBXdl>): user not found from userdb prefetch > dovecot: imap: Error: Authenticated user not found from userdb, auth lookup id=178651137 (client-pid=13711 client-id=1) > dovecot: imap-login: Internal login failure (pid=13711 id=1) (internal failure, 1 successful auths): user=<box(a)****.de>, method=PLAIN, rip=2001:****:7765, lip=2a01:****:2, mpid=13717, TLS, session=<bzAOP5QJXwAgAQpgEAXJAZyOMB1qBXdl> That doesn't help me a lot. Here's parts of my configuration, dumped with 'dovecot -n': > # 2.2.9: /etc/dovecot/dovecot.conf > # OS: Linux 3.13.0-40-generic x86_64 Ubuntu 14.04.1 LTS > auth_mechanisms = plain login > disable_plaintext_auth = no > namespace inbox { > inbox = yes > location = > mailbox Drafts { > special_use = \Drafts > } > mailbox Junk { > special_use = \Junk > } > mailbox Sent { > special_use = \Sent > } > mailbox "Sent Messages" { > special_use = \Sent > } > mailbox Trash { > special_use = \Trash > } > prefix = > } > passdb { > args = /etc/dovecot/dovecot-sql.conf.ext > driver = sql > } > plugin { > quota = maildir > } > protocols = imap pop3 > userdb { > driver = prefetch > } > protocol imap { > mail_max_userip_connections = 100 > mail_plugins = quota imap_quota > } What's the problem here? How can I resolve this issue? -- Yves Goergen http://unclassified.de http://dev.unclassified.de

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Missing metadata on Dovecot 2.2.14, on Kolab 3.3, Centos 6.6
by Max Raafat 08 Dec '14

08 Dec '14

Hello everyone, We were trying to provision a system with Dovecot instead of another working cyrus kolab system. I am stuck with a problem with the metadata, especially when it comes to the Special Folders in Kolab 3.3, like Calenders, Tasks, etc, as well as any user created Folders. Emails work perfectly, and all the types are correct. But for example, If I try to change the type of Calenders, or create a new folder from inside roundcube and set it to type "Calenders", it stays at the default which is "mail". Therefore it causes problems, when sharing events, since they are displayed as "mail" type and not "event" type. We've tracked the problem down to the metadata not existing for special folders. A simple search only shows the default "mail" metadata, but nothing for shared folders, or special folders, etc. Here is the doveconf -n ------------------------------------------------------------------------------------------------------------- [root@m3 ~]# doveconf -n # 2.2.14: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-504.el6.x86_64 x86_64 CentOS release 6.6 (Final) imap_metadata = yes mail_attribute_dict = file:Maildir/dovecot-metadata mail_gid = 5000 mail_location = maildir:~/Maildir mail_plugins = " acl" mail_uid = 5000 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 mbox_write_locks = fcntl namespace { list = children location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u prefix = shared/%%u/ separator = / type = shared } 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 = separator = / } passdb { args = /etc/dovecot/master-users driver = passwd-file master = yes pass = yes } passdb { driver = shadow } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { acl = vfile acl_shared_dict = file:/var/lib/dovecot/db/shared-mailboxes.db sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } protocols = imap pop3 lmtp sieve service auth { unix_listener /var/spool/postfix/private/auth { mode = 0666 } unix_listener auth-userdb { group = vmail user = vmail } } service dict { unix_listener dict { group = vmail mode = 0666 user = vmail } } service lmtp { executable = lmtp unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0660 user = postfix } } service managesieve-login { inet_listener sieve { address = 127.0.0.1 ::1 port = 4190 } } service managesieve { process_limit = 1024 } ssl = required ssl_cert = </etc/ssl/m3.company.includingchain.crt ssl_key = </etc/ssl/m3.company.de.key userdb { driver = passwd } userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocol lmtp { mail_plugins = " acl sieve" } protocol lda { mail_plugins = " acl sieve" } protocol imap { mail_plugins = " acl imap_acl" } ------------------------------------------------------------------------------------------------------------ Would appreciate any help or ideas as to what I can do to fix this. Thanks Max

1 0

MD5-CRYPT/CRAM-MD5 vs SHA512-CRYPT/PLAIN
by ML mail 06 Dec '14

06 Dec '14

Hello, I am wondering which variant is more secure for user authentication and password scheme. Basically I am looking at both variants: 1) MD5-CRYPT password scheme storage with CRAM-MD5 auth mechanism 2) SHA512-CRYPT password scheme storage with PLAIN auth mechanism In my opinion the option 2) should be safer although it is using PLAIN auth mechanism. Of course I would always use STARTTLS and not allow unencrypted connection. What is your opinion? Best, ML

6 7

Size of array hosts, vhosts_count and modulo operation
by rub zorghy 05 Dec '14

05 Dec '14

Hi, Timo Sirainen wrote (May 19, 2010 1:50:34 am) : "When a connection from a newly seen user arrives, it gets assigned to a mail server according to a function: host = vhosts[ md5(username) mod vhosts_count ]" This hash function is it still used as it is without modification ? My another question sounds pretty innocent but I have doubts about vhosts_count. Taking two directors with three backend Dovecot as an example, the number of (v)hosts assigned for each host is "100" (default value of the vhost_count variable). I gather that the value for vhosts_count (to perform the modulo operation) and the size or length of the array (vhosts[]) in terms of number of elements are equal to 300. Thx so much. gdrub

1 0

doveadm backup gmail using imapc
by List 05 Dec '14

05 Dec '14

I am trying to sync a gmail inbox with dovecot 2.2.10 using the following config: imapc_host = 64.233.171.108 imapc_user = %u imapc_master_user = master imapc_password = secret imapc_features = rfc822.size imapc_features = $imapc_features fetch-headers mail_prefetch_count = 20 # If the old IMAP server uses INBOX. namespace prefix, set: #imapc_list_prefix = INBOX # for SSL: imapc_port = 993 imapc_ssl = imaps #imapc_ssl_ca_dir = /etc/ssl imapc_ssl_verify = no And the doveadm command: doveadm -D -o imapc_user=test(a)domain.tld -o imapc_password=password backup -R -x '\All' -x '\Flagged' -x '\Important' -u test(a)domain.tld imapc: I am getting the error: dsync(test(a)domain.tld: Error: Mailbox INBOX sync: mailbox_delete failed: INBOX can't be deleted. What I really want to do is just sync Gmail's inbox, drafts, sent, trash/archive, and spam folders to my new system. Is this possible using imapc?

1 0

Dovecot Director and Dovecot proxy
by rub zorghy 05 Dec '14

05 Dec '14

Hi, Dovecot Director is used to keep a temporary user -> Dovecot backend server mapping. So, Director decides which backend handles each user and the user is always redirected to the same server. All user data is stored in shared storage (NFS). The Dovecot presentation featured during this webinar <http://knowledgebase.open-xchange.com/fileadmin/user_upload/open-xchange/mi…> mentions (slide 7) a Dovecot proxy cluster (doing credentials and user info lookup) behind the LB device (F5 Big-IP) Why Dovecot Director server isn't used to perform this without Dovecot proxy ? Thus, the load balancer (F5 Big-IP) can distribute requests based on IMAP protocol to Dovecot Director cluster. Thx so much. gdrub

2 2

speed up doveadm search
by Vu Ngoc VU 05 Dec '14

05 Dec '14

Hello, I have recently migrated our mail accounts from old setup with courier-imapd to Dovecot 2. I thought that I can search quicky messages in mailboxes with doveadm because of indexes. Our users are asking (sometimes) to remove messages that they have sent wrongly. Some of them are coming from Exchange, and there is a feature in Outlook to recall (to delete) a message. So basically, they give me some infos (date, sender, subject) of message to remove. And I planned to do "doveadm search", then "doveadm fetch" and at last "doveadm expunge" on the found results. But it appears that the first run of doveadm is very slow. I don't know if it is because some indexes/caches are missing at this time. But when I run again same commands it is fast. Could you tell me if I speed up search on our maildir storage? I have no idea if I must manually (or with cron) run "doveadm index" on all our accounts because index/cache is only generated when users access their mailboxes. Or do I have to tune some settings like : mail_always_cache_fields, mail_cache_fields, mail_cache_min_mail_count, mail_never_cache_fields Thanks

1 0

does lda_save_to_detail_mailbox exist?
by A. Schulze 04 Dec '14

04 Dec '14

Hello, there is a nice feature in lmtp to save messages to user+foo@domain in INBOX/foo Looks like that doesn't work as good if lda is used. I have dovecot-2.2.13 mail_location = maildir:%h/ lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes *lmtp*_save_to_detail_mailbox = yes messages to user+foo generate an error and are saved to INBOX not matter if INBOX/foo exist or not: Dec 4 09:40:59 mail dovecot: lda(user(a)example.org): Debug: Effective uid=10020, gid=10020, home=/var/mail/user(a)example.org/ Dec 4 09:40:59 mail dovecot: lda(user(a)example.org): Debug: Destination address: user(a)example.org (source: user@hostname) Dec 4 09:40:59 mail dovecot: lda(user(a)example.org): msgid=<3jtWlm3FCHz52KG@localhost>: save failed to open mailbox foo: Mailbox can't be created Dec 4 09:40:59 mail dovecot: lda(user(a)example.org): msgid=<3jtWlm3FCHz52KG@localhost>: saved mail to INBOX # doveadm user -u user(a)example.org userdb: user(a)example.org home : /var/mail/user(a)example.org/ quota_rule: *:bytes=1000000 master_user: user(a)example.org # doveadm mailbox list -u user(a)example.org INBOX INBOX/bar Possible, that *lda*_save_to_detail_mailbox is simply not implemented? Thanks, Andreas

2 2

"maildir_empty_new = yes" not working
by Nikola Derikonjic 04 Dec '14

04 Dec '14

I need for my dovecot-uidlist to be updated with next id when new email arrives (moved from new/ to cur/). This only happens now when I check for new email with my client. Setting maildir_empty_new = yes is not working. Do I have to uncomment something else as well maybe? I want to do some proemial pipe lets say for 10 emails. All of them will have same UID since dovecot-uidlist is not updated. I am suing 2.2.13 dovecot on Gentoo 64bit. This is my dovecot -n: # 2.2.13: /etc/dovecot/dovecot.conf # OS: Linux 3.16.5-gentoo x86_64 Gentoo Base System release 2.2 auth_mechanisms = plain login digest-md5 first_valid_gid = 500 last_valid_gid = 2000 last_valid_uid = 2000 login_greeting = Santa server is ready. mail_gid = vmail mail_location = /var/vmail/%d/%n/:INDEX=/var/vmail/%d/%n/indexes mail_uid = vmail maildir_empty_new = 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 ihave duplicate namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } service auth-worker { user = vmail } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { group = vmail mode = 0666 user = vmail } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0666 user = postfix } } ssl_ca = </etc/ssl/dovecot/server.in.crt ssl_cert = </etc/ssl/dovecot/server.csr.rapid ssl_key = </etc/ssl/dovecot/server.key.rapid ssl_key_password = notshown userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } -- Nikola Derikonjic Sent with Sparrow (http://www.sparrowmailapp.com/?sig)

2 2

Manual (file system level) message deletion
by absolutely_free＠libero.it 04 Dec '14

04 Dec '14

Hi,I use Dovecot + Postfix on CentOS server. I use maildir. What happen if I manually delete some messages (eg. the ones older than 6 months) for every use?I think that dovecot's indexes will be wrong... is this a potential performance issue?If so, how can I "rebuild" index file for every user? Thank you

2 1

R: Re: R: Re: best file system ?
by absolutely_free＠libero.it 04 Dec '14

04 Dec '14

Thank you very much for your detailed explaination! >----Messaggio originale---- >Da: amateo(a)um.es >Data: 03/12/2014 8.13 >A: <dovecot(a)dovecot.org> >Ogg: Re: R: Re: best file system ? > >El 02/12/14 a las 16:38, absolutely_free(a)libero.it escribió: >> Hi Angel, >> can you please share your dovecot configuration? > > I have attached our doveconf -n output. We have two imap servers (with >the same configuration) and two more acting as proxy (with director) in >front of them. These last direct user request to their corresponding server. > > For storage we are using our SAN (a HP 3PAR 7400) connecting to it with >fibre channel. We have two XFS filesystems. One for mail indexes and the >other for user mailboxes and attachment files. > > In these servers we are running ubuntu 12.04 with kernel 3.4.0. > >> What webmail are you using (if any)? > > We are using horde. > >-- >Angel L. Mateo Martínez >Sección de Telemática >Área de Tecnologías de la Información >y las Comunicaciones Aplicadas (ATICA) >http://www.um.es/atica >Tfo: 868887590 >Fax: 868888337 >

1 0

incorrect column width for multi-byte characters by'doveadm -f table'
by Hardy Flor 03 Dec '14

03 Dec '14

In calculating the column width multi-byte characters (eg umlauts, utf8) not properly analyzed: Username mailbox messages guid sh_berger Spam 0 a7b32818c14e5b54bf5500006ad9a53c sh_berger Entwürfe 0 a4b32818c14e5b54bf5500006ad9a53c sh_berger Papierkorb 0 a6b32818c14e5b54bf5500006ad9a53c

1 0

Exporting plain_pass using passwd driver
by List 03 Dec '14

03 Dec '14

I am trying to get a postlogin script running that can see the plain_pass=%w while running the passwd driver. This is running Dovecot 2.0.7 and so far everything I have tried results in the value being empty.

1 0

R: Re: best file system ?
by absolutely_free＠libero.it 03 Dec '14

03 Dec '14

Hi Angel, can you please share your dovecot configuration? What webmail are you using (if any)? Thank you >----Messaggio originale---- >Da: amateo(a)um.es >Data: 02/12/2014 8.24 >A: <dovecot(a)dovecot.org> >Ogg: Re: best file system ? > >El 01/12/14 a las 18:45, Sami Ketola escribió: >> >>> On 01 Dec 2014, at 18:24, absolutely_free(a)libero.it wrote: >>> >>> Hi, >>> I'm going to set up a new storage for our email users (about 10k). >>> It's a network attached storage (Coraid). >>> In your opinion, what is the best file system for mail server (pop3/imap/webmail) purpose? >> >> Depends on what OS you have chosen, or if OS is not the limiter I would go with ZFS. >> > Have you any performance comparison with xfs? > > I'm running two imap servers. One with about 9k accounts and 3.5TB of >storage, and another with 55k accounts and 2TB of storage with XFS, and >I'm thinking about migrating them from XFS to ZFS but I'm concern about >IO performance of ZFS. When we developed these two servers, I remember >reading some zfs performance problems in comparison with xfs (I have >lost the link) and that was the reason to finally use xfs, but now we >are having problems with LVM snapshots and we also like some zfs >features (like replication) so we are thinking about the change. > > >-- >Angel L. Mateo Martínez >Sección de Telemática >Área de Tecnologías de la Información >y las Comunicaciones Aplicadas (ATICA) >http://www.um.es/atica >Tfo: 868887590 >Fax: 868888337 >

2 1

mail_location maildir:~/Maildir Invalid user settings[SOLVED]
by soko.tica 03 Dec '14

03 Dec '14

Hallo list, I was having quite a hard time configuring dovecot on OpenBSD -current. The problem was default Maildir setting in 10-mail.conf, namely: mail_location maildir:~/Maildir was unable to locate user's home directory. As far as I can remember, it was the correct setting on OpenBSD-current a week or two ago. Once I figured out and changed it to mail_location maildir:/path/to/home/%u/Maildir the problem was solved. Attached are dmesg, maillog and doveconf -n output.

2 1

Unknown scheme SSHA256.HEX.b64
by grundy 02 Dec '14

02 Dec '14

I'm getting a very strange error and I'm completely mystified by it. Thank you so much for taking a look! I recently migrated some users from another dovecot server to my own, and the previous admin had the passwords in their database using the SSHA256 scheme in HEX format. All the password hashes are in my database (MySQL) with a {SSHA256.HEX} prefix, and I thought at first that they were working fine, but then I checked my logs and am seeing this: localhost dovecot: auth: Error: password(***(a)***.***): Unknown scheme SSHA256.HEX.b64 (I have replaced the email address with asterisks) I am completely flabbergasted, as I can't imagine how "SSHA256.HEX.b64" is even coming in to existence as a string. I have triple checked the database and that combination appears nowhere in it. Does anybody have any idea how that is happening? Thanks again. -- View this message in context: http://dovecot.2317879.n4.nabble.com/Unknown-scheme-SSHA256-HEX-b64-tp50803… Sent from the Dovecot mailing list archive at Nabble.com.

2 1

disabling certain ciphers
by Will Yardley 02 Dec '14

02 Dec '14

Can you use both ssl_protocols *and* ssl_cipher_list in the same config (in a way that's sane)? ssl_protocols (>= 2.1) and ssl_cipher_list co-exist, or are they mutually exclusive? I have a Dovecot 2.2.13 system, and I tried setting: I also tried things like ssl_cipher_list = HIGH or ssl_cipher_list = HIGH:!MEDIUM:!LOW however, doing this seems to make v3 still work unless I explicitly do !SSLv3 in ssl_cipher_list in addition to disabling it in $ssl_protocols. This is different from Apache, which has similar parameters, but where disabling the protocol takes precedence. If I just do: ssl_protocols = !SSLv2 !SSLv3 I still get some ciphers that show up as "weak", e.g., | SSLv3: | ciphers: | TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA - strong | TLS_DHE_RSA_WITH_AES_128_CBC_SHA - strong | TLS_DHE_RSA_WITH_AES_256_CBC_SHA - strong | TLS_DHE_RSA_WITH_DES_CBC_SHA - weak [....] | TLS_RSA_WITH_DES_CBC_SHA - weak Is there a way to exclude these ciphers, while still keeping my config easy to parse and avoiding duplicative or deprecated configs? The behavior is also pretty strange; if I have something like one of the following, with or without $ssl_protocols set to exclude SSLv2 and SSLv3: ssl_cipher_list = HIGH:!MEDIUM:!LOW:!SSLv3 ssl_cipher_list = ALL:!ADH:!LOW:!SSLv2:!SSLv3:!EXP:!aNULL:+HIGH:!MEDIUM TLS v1.0 and v1.1 get disabled as well. I also can't seem to explicitly enable TLS 1.0 or 1.1 in $ssl_cipher_list. w

3 12

Adding extra fields from an external source
by Ian Allison 02 Dec '14

02 Dec '14

Hi, I have an existing (Open)LDAP which I'm using with dovecot and I would like to implement quotas. I have global quotas working, but I would like per user quotas similar to what is described in the wiki (http://wiki2.dovecot.org/Quota/Configuration#LDAP) My problem is that there is no obvious attribute in the schemas shipped in the RHEL/Centos 6 to hold the quota string. Is it possible to get User database extra fields from an external source? e.g. flat file or MySQL table. I would like to pull everything else from LDAP but just fill out quota_rule from a different source. I realize I could expand my LDAP but I'm wary of just importing some random schema. I've had mixed results doing that in the past (the qmail schema (http://www.zytrax.com/books/ldap/ape/qmail.html) was incompatible with my existing structure, and at the moment I'm using a hacked version of the linux quota project's LDAP schema (http://sourceforge.net/projects/linuxquota/) - I'd rather have something a bit more official). If there is a recommended schema that you guys use which is stable and works well I would like to give that a try. -Thanks, Ian.

3 3

SORT capability
by absolutely_free＠libero.it 01 Dec '14

01 Dec '14

Hi, why I don't see SORT capability on my dovecot server? # telnet localhost 143 Trying ::1... Connected to localhost. Escape character is '^]'. * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5] Dovecot ready. 1 capability * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5 1 OK Capability completed. a logout * BYE Logging out a OK Logout completed. Connection closed by foreign host. I am using # dovecot --version 2.0.9 default CentOS rpm package. Thank you

3 2

Re: Dovecot Director and Dovecot proxy
by anon_user＠openmailbox.org 01 Dec '14

01 Dec '14

On 2014-12-01 19:56, anon_user(a)openmailbox.org wrote: >> Il 01/12/2014 17:11, rub zorghy ha scritto: >> Why Dovecot Director server isn't used to perform this without Dovecot >> proxy ? Thus, the load balancer (F5 Big-IP) can distribute requests >> based >> on IMAP protocol to Dovecot Director cluster. >> I think that the slide is just one example of a scenario ,very >> complex. In real world, >> unless you do not have to segment users (some users use Exchange, >> others use Dovecot, but all user use imap.corporate.com, the proxy, > for login) you don't need a Proxy in front of Director. > > Load balancer is only for HA. > > Ciao Hello, So, dovecot director can work without dovecot proxy ? Thanks.

1 0

Dovecot 2.2.15, Panic: file mbox-sync.c: line 152 (mbox_sync_read_next_mail): assertion failed:
by Mark Sapiro 01 Dec '14

01 Dec '14

The log messages are attached. The core dump is at <https://www.dropbox.com/s/9i80ms7xkyxoqj7/core.26450?dl=0> The server is $ uname -a Linux sbh16.songbird.com 2.6.18-8.1.14.el5 #1 SMP Thu Sep 27 18:58:54 EDT 2007 i686 i686 i386 GNU/Linux -- Mark Sapiro <mark(a)msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan

2 2

Panic: from mbox-sync.c; doveadm zlib-plugin
by Timothe Litt 01 Dec '14

01 Dec '14

Upgraded to dovecot 2.2.15 (built from sources on Fedora linux), saw intermittent panics: From dovecot:imap Error: Next message unexpectedly corrupted in mbox file /home/xxxx/mail/Junk E-mail at 1202197 Panic: file mbox-sync.c: line 152 (mbox_sync_read_next_mail): assertion failed: (sync_ctx->input->v_offset != mail_ctx->mail.from_offset || sync_ctx->input->eof) Error: Raw backtrace: /usr/local/lib/dovecot/libdovecot.so.0 [0x274ecf] -> /usr/local/lib/dovecot/libdovecot.so.0 [0x274f4d] -> /usr/local/lib/dovecot/libdovecot.so.0 [0x27446b] -> /usr/local/lib/dovecot/libdovecot-storage.so.0 [0x16633e] -> /usr/local/lib/dovecot/libdovecot-storage.so.0(mbox_sync+0x6b6) [0x168146] -> /usr/local/lib/dovecot/libdovecot-storage.so.0(mbox_storage_sync_init+0x81) [0x169391] -> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x40) [0x186270] -> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_sync+0x3d) [0x18715d] -> /usr/local/lib/dovecot/libdovecot-storage.so.0(index_storage_get_status+0x74) [0x1b6c44] -> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_get_status+0x5f) [0x1895bf] -> dovecot/imap(imap_status_get+0x7a) [0x806396a] -> dovecot/imap(cmd_status+0x128) [0x80588a8] -> dovecot/imap(command_exec+0x33) [0x805c8e3] -> dovecot/imap [0x805b63f] -> dovecot/imap [0x805b6c3] -> dovecot/imap(client_handl Fatal: master: service(imap): child 25461 killed with signal 6 (core dumps disabled) They are on hiatus, but thought I should report this anyway. If I get a reproducer, I'll see if I can get core dumps. The user involved had several procmail processes hung waiting for the lockfile on this mbox. Killing sendmail & dovecot, the procmails & restarting sendmail & dovecot is all that I did after the errors. It is possible that the last message delivered prior to the errors was truncated ("note the input-eof" in the trace), but this shouldn't result in a panic. I'd expect a warning, then the message truncated to whatever is there, and operations proceeding... Also, it appears that make install doesn't remove the doveadm zlib plugin, which it seems was obsoleted by http://www.dovecot.org/list/dovecot-cvs/2012-October/021796.html. This results in: doveadm log find doveadm(root): Error: Module is for different ABI version 2.1.12 (we have 2.2.ABIv15(2.2.15)): /usr/local/lib/dovecot/doveadm/lib10_doveadm_zlib_plugin.so Removing /usr/local/lib/dovecot/doveadm/lib10_doveadm_zlib_plugin.* fixes this. However, it would be better if make install either removed these from an old installation in an upgrade, renamed the files, or advised the installer to do so. FWIW: # 2.2.15: /usr/local/etc/dovecot/dovecot.conf # OS: Linux 2.6.22.14-72.fc6 i686 Fedora Core release 6 (Zod) first_valid_gid = 4000 first_valid_uid = 4000 hostname = smtp.example.net login_greeting = Dovecot ready. Unauthorized access is prohibited. mail_access_groups = mail mail_location = mbox:~/mail:INBOX=/var/mail/%n mail_privileged_group = mail 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 "Train As Forgotten" { auto = subscribe } mailbox "Train As Ham" { auto = subscribe } mailbox "Train As Spam" { auto = subscribe } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / } passdb { driver = pam } service imap-login { inet_listener imap { address = imap.v4.example.net imap.v6.example.net port = 143 } inet_listener imaps { address = imap.v4.example.net imap.v6.example.net port = 993 ssl = yes } } service pop3-login { inet_listener pop3 { address = pop.v4.example.net pop.v6.example.net port = 110 } inet_listener pop3s { address = pop.v4.example.net pop.v6.example.net port = 995 ssl = yes } } ssl_ca = </etc/pki/tls/certs/example_net_ca-cert-crl.pem ssl_cert = </etc/pki/tls/certs/servers-example-net.pem ssl_key = </etc/pki/tls/private/servers-example-net.pmk userdb { driver = passwd } protocol imap { imap_client_workarounds = tb-extra-mailbox-sep tb-lsub-flags mail_plugins = } protocol pop3 { mail_plugins = pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %08Xu%08Xv } -- Timothe Litt ACM Distinguished Engineer -------------------------- This communication may not represent the ACM or my employer's views, if any, on the matters discussed.

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v2.2.15 - make check - Conditional jump or move depends on uninitialised value
by AMM 01 Dec '14

01 Dec '14

Hello, I am currently using Dovecot 2.2.10 on Fedora 16 - 64 bit system I had made v2.2.10 Fedora 16 rpm file using spec file from ATrpms. http://dl.atrpms.net/all/dovecot.spec It has been working well from 6 months or so. Today I tried to make v2.2.15 rpm using same spec file. But "make check" is giving following error: fatal_printf_format_fix .............................................. : ok 0 / 190 tests failed ==8834== Conditional jump or move depends on uninitialised value(s) ==8834== at 0x4F7FE99: __strspn_sse42 (in /lib64/libc-2.14.90.so) ==8834== by 0x10FCF1: test_ds_recurse (test-data-stack.c:123) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== by 0x10FCC9: test_ds_recurse (test-data-stack.c:119) ==8834== There are more similar errors after that and then rpmbuild aborts. I already saw that someone reported same error recently: http://dovecot.org/pipermail/dovecot/2014-October/098452.html But I do not know what is the right solution / patch? Can I disable "make check" safely? Its a production server so would not take any risk. Can anyone please tell what should I do? Thanks in advance. AMM

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R: Re: SORT capability
by absolutely_free＠libero.it 01 Dec '14

01 Dec '14

Here's my conf: # dovecot -n # 2.0.9: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-71.el6.x86_64 x86_64 CentOS release 6.6 (Final) auth_mechanisms = plain login digest-md5 cram-md5 disable_plaintext_auth = no first_valid_gid = 89 first_valid_uid = 89 mail_gid = 89 mail_location = maildir:/coraid-s2l2/domains mail_uid = 89 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 imapflags notify mbox_write_locks = fcntl namespace { inbox = yes location = prefix = INBOX. separator = . type = private } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } passdb { args = /etc/dovecot/dovecot-sql-crypt.conf.ext driver = sql } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve sieve_extensions = +notify +imapflags sieve_max_script_size = 1M } protocols = imap pop3 lmtp sieve service imap-login { service_count = 0 } service pop3-login { service_count = 0 } ssl_cert = </etc/nginx/ssl/wildcard.crt ssl_key = </etc/nginx/ssl/wildcard.key userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } protocol lmtp { mail_plugins = } protocol lda { mail_plugins = } protocol pop3 { pop3_client_workarounds = outlook-no-nuls oe-ns-eoh } >----Messaggio originale---- >Da: h.reindl(a)thelounge.net >Data: 01/12/2014 12.37 >A: <dovecot(a)dovecot.org> >Ogg: Re: SORT capability > > > >Am 01.12.2014 um 12:32 schrieb absolutely_free(a)libero.it: >> # dovecot -n |grep -i sort >> >> (nothing) > >i meant post the complete output >you can't grep for something not existing >but you or some config-include may set something wrong > >> Maybe to full list is only available after authentication? > >likely > >> # telnet localhost 143 >> Trying ::1... >> Connected to localhost. >> Escape character is '^]'. >> * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE >> STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5] Dovecot ready. >> a login XXXXXXXXXXX YYYYYYYYYYYYYYYY >> a OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE >> SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT CHILDREN >> NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT >> SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS] Logged in >> >>> ----Messaggio originale---- >>> Da: h.reindl(a)thelounge.net >>> Data: 01/12/2014 12.21 >>> A: <dovecot(a)dovecot.org> >>> Ogg: Re: SORT capability >>> >>> Am 01.12.2014 um 12:19 schrieb absolutely_free(a)libero.it: >>>> why I don't see SORT capability on my dovecot server? >>>> >>>> # telnet localhost 143 >>>> Trying ::1... >>>> Connected to localhost. >>>> Escape character is '^]'. >>>> * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE >> STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5] Dovecot ready. >>>> 1 capability >>>> * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE >> STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5 >>>> 1 OK Capability completed. >>>> a logout >>>> * BYE Logging out >>>> a OK Logout completed. >>>> Connection closed by foreign host >>> >>> DUNNO >>> >>> mabye output of "dovecot -n" knows > >

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