Dovecot replication. I’m anticipating its less than 1 GB per day.

Dovecot replication Magic) - but it does. However, that style of sync can be made *---service replicator { process_min_avail = 1} dsync_remote_cmd = ssh -l%{login} %{host} doveadm dsync-server -u%uplugin { mail_replica = remote:root@"ServerIP"} service aggregator { fifo_listener replication-notify-fifo { user = mail } unix_listener replication-notify { user = mail }} service replicator { unix_listener replicator-doveadm The Dovecot replication page above mentions that there may be annoyances if a user is being directed to different Dovecot servers on different requests (user might re-download mail). 14 Centos 7. The platform has replication working, over an SSL TCP link, for delivery. lusars. I don't understand why the replication never starts by itself or why there are no errors or anything else in the log. Format¶ The format of the mailbox location specification is: The result values that can be used: return-ok: Return success, don’t continue to the next passdb. Settings; Administrative Manual; Configuration Manual. I have a question: if I switch my Thunderbird/Outlook client to use the other server I In my setup i can reproduce this issue with only one message in a shared folder: Everytime when the (new) replication client is started for the first time, the initial replication takes place and there the message in the shared folder gets duplicated thousands of times. >> >> I have tried different combinations of querying " doveadm replicator status '*' " and search for failed users and then send an alarm if one of fast sync, full sync or success sync reaches a threshold. c: line 251 (hash With my experience the most replication failures where fixed by dovecot automatically > in under 10 min. org)<PR2hBB86zV52SQAACjx0Gw>: Panic: file hash. In this case, nothing is configured to talk to the new machine yet, so the replication is unidirectional (old Dovecot LMTP with PostfixAdmin and MySQL¶. As long as passdb/userdb works the way you want. mail_plugins = " quota replication notify" namespace { inbox = yes location = prefix = separator = . However, when new mail is delivered by postfix, replication does not occur until something else triggers it, such as one of the delete/move actions I've got a basic dovecot master-master replication setup between two servers (imap1 and imap2). Second server is also MX backup and it happens that incoming mails come Other idea I was thinking of is a replicated file system. 112) and backend3-replica (192. fi Tue Feb 10 03:49:57 EET 2009. If there have been too many changes, all of the changes will be sent and the performance will Dovecot --version = 2. This way the virtual indexes are added to the obox root index bundles and will be preserved when user moves between backends or when metacache is I'm playing around with replication to create a backup host. Instead of directing users to those servers, it would direct them to replica servers. In many systems, the user’s mails are by default stored in /var/mail/username file. older [Dovecot] sieve + notify + Patrick Westenberg. For example, during an initial sync is it possible for the new server to sync improperly with the original and delete all of the Hi Timo, Thanks for the info. org. I'm not sure how (yes I do - Timo & Co. 1 I can't backup a specific users mailbox. Both versions are 2. However, when new mail is delivered by postfix, replication does not occur until something else triggers it, such as one of the delete/move actions dovecot replication problem. log is used by replicator process and IMAP CONDSTORE/QRESYNC extensions to send recently expunged messages to the sender. That would make sense Dear Dovecot people, I've set up Dovecot replication a couple of years ago. Or did you have a logic outside this script, maybe in Check_MK that knows when a user is greater than 10 min out of replication or something like hat? High availability can be achieved by setting up two servers with identical configurations and enabling Dovecot's built-in replication feature. 17. SYNOPSIS¶. Or the background for the problem. I've attempted doing both, as shown below. Full replication. But there is no The question of course is, will a replicated dovecot be less complex, slow, etc. This will ensure emails are synchronized between the two servers. (For testing purposes I've only 2 users. I would like to know if there's any potential problems I could run into in running this for the first time. See Dovecot as a POP3 server for POP3 optimizations, especially pop3_no_flag_updates=yes Most of the time if I see a replication failure the self healing of dovecot replication repairs this in max. I got an error and have no idea how to fix it, or workaround it. 9 Nov 2013 9 Nov '13 10:11 p. com wrote: Older Debian releases have Sieve and ManageSieve support included in the main dovecot-common package, meaning that this is always available for those releases once Dovecot is installed. Each fileserver should know every mailbox/user and for the time being 2 dovecot proxies for the user connections (IMAP/POP). Also, best upgrade to dovecot 2. This file is called INBOX in IMAP world. 2 ha2 192. Modification sequences (modseqs) I've got a basic dovecot master-master replication setup between two servers (imap1 and imap2). Both of these files are described fully in Maildir Mailbox Format. Navigation. I believe there would still need to be only one dovecot instance active at a time. I setup dovecot replication pair (mx1 - mx2) which is working ok. Modified 6 years, 2 months ago. I’m trying to achive an active/active cluster with dovecot-director and HAProxy, as the director does not do health checks (loadblancing only) and I want both, loadblancing AND failover, where the latter is far more important to me (loadblancing I would just use as an addon and for curiosity, it is not really need in my setup). dovecot. (The dovecot version in Mavericks is 2. Fast replication -- Only syncs new mails > 2. However its important to note that ssl = yes must be set globally if you require SSL for any protocol (or dovecot will not listen on the SSL ports), which in turn requires that a certificate and key are specified globally even if you intend to specify certificates per protocol. Thread View. 11. However, when new mail is delivered by postfix, replication does not occur until something else triggers it, such as one of the delete/move actions This package is maintained by OX/Dovecot and is available in Dovecot Pro repository. Before going " on real life " I try to make a very basic example but without any success :-( bad start Previous message: [Dovecot] Replication (Mac OS X) Next message: [Dovecot] Replication (Mac OS X) Messages sorted by: What (if anything) will disabling urlauth break in Apple’s world? I am assuming they took the trouble to implement it for a reason. 0 0 Reply Sign in to reply online Use Setting up replication? Knute Johnson dovecot at knutejohnson. Dovecot v2. example 1 GB data per day is very little volume ,I think dovecot replication, rsync also suitable. But then, dovecot seems to run into race conditions when the replications process tries to sync the same public mailbox under two or more different users at the same time. 5. 2-1ubuntu3. Good morning, I’m looking at dovecot replication for the first time for a particular use case: The VM running dovecot is currently in a public cloud, and I want to move it on-premises, so I want to replicate all mail data from the older instance to the new (then cutover internal DNS) (and in the process update to Replication - no, never used it, but we do use Dovecot dsync a lot. 2 or later and the FIPS mode is enabled, clients must either support the Extended Master Secret (EMS) extension or use TLS 1. mack at uni-konstanz. See full text search indexes for optimizing IMAP SEARCH command. 10 on Centos 7. I did used rsync, two or three times, then stopped the old I'm looking forward to master-master replication. com Sun Nov 3 21:53:58 EET 2013. > > The fast replication occurs whenever a mail arrives for a Answer #1. dsync is primarily worth using because it uses dovecot’s log files to replicate as mail is received so filesystem I am taking a stab at setting up dovecot replication between two OS X Mavericks servers. Actions such as deleting messages or moving them between folders are replicated correctly and quickly. CREATE KEYSPACE IF NOT EXISTS quota WITH REPLICATION = { 'class': 'SimpleStrategy', 'replication_factor': '1' } AND durable Mail is delivered to either server and replicated across straight away to their mailbox on the other server so it does not matter which one they are connected to they will receive it fairly soon after delivery. Client runs a command to create a replication batch file that's I have tried IMAP-->IMAP syncing using a master user in both servers and imapsync, however due to the huge Maildirs (some users have more than 10 years of mail) this tends to be quite slow and painful. For example, if the server is using a certificate signed by a public CA, this flag should [Dovecot] Dovecot replication not redirecting if server is down. The article says: "High-availability non-NFS setup One possibility is to use Dovecot proxies, which know which servers are down. I've upgraded to v2. 21) (Page 1) — iRedMail Support — iRedMail — Works on CentOS, Rocky, Debian, Ubuntu, FreeBSD, OpenBSD Good morning, I’m looking at dovecot replication for the first time for a particular use case: The VM running dovecot is currently in a public cloud, and I want to move it on-premises, so I want to replicate all mail data from the older instance to the new (then cutover internal DNS) (and in the process update to newer features on the internal instance such as mdbox vs Maildir). 20, Alpine Linux, Docker, apk package). **dovecot director ring status** # doveadm director ring status director ip port type last failed status "last failed" field value: it's either "never" or "date-time" Restarting director will The hostname in the Subject DN field of the server certificate matches the server’s Fully-qualified Domain Name (FQDN). x you can sync your mails over tcp (or ssh) between two servers. Install on 2 servers (ha1 & ha2) on both servers, update /etc/hosts: 192. Messages sorted by: On 24. Stack Exchange Network. Thanks for any advice. I thought of 2 options: Option 1: Run dovecot as a stateful set. com Mon Oct 28 11:45:17 EET 2013. Previous message: [Dovecot] Replication on v2. openSUSE¶ It is part of the dovecot (dovecot21) rpm. 1 LTS server release. With the pop3 configuration as default as is possible (although the mail_plugins are explicitly included into the protocol sections to ensure notify and replication is called for), any pop3 delete operation does not cause a notify or replication operation. Global doveadm(1) options:-D Enables verbosity and debug messages. Previous message: pigeonhole Next message: Setting up replication? Messages sorted by: I'm trying to set up replication between two servers and I've hit a snag. This is simply an optimization to avoid Thread View. -- I joined scientology at a garage sale!! Thread View. I was thinking my script will accept the email anyway if the sync fails. ch Fri Feb 1 14:28:25 EET 2013. Previous message: [Dovecot] Imap unlink "failed, is a directory". Previous message: Upgrading to v2. Because dovecot starts every 5min another try. The side with the most recent timestamp is assumed to contain the newer replication_sync_timeout ¶. 113). After configuring everything correctly - and that means *everything* correctly - Dovecot replication Just Works. dovecot-keywords file contains Maildir filename flag (a. lock: Timed out after 30 seconds Nov 5 11:00:02 server1 dovecot: dsync-local(mark): Error: Couldn't lock /home/mark/. com Tue Oct 27 14:55:41 EET 2020. Hi, probably since the update to 2. 4 mail2 Dovecot replication not picking up new mail in maildir Aki Tuomi aki. I have tried different combinations of querying " doveadm replicator status '*' " and search for failed users and then send an alarm if one of fast sync, full sync or success sync reaches a threshold. Dovecot stores some Maildir metadata into two control files: dovecot-uidlist file contains IMAP UID <-> Maildir filename mapping. 1 ha1 192. It is possible to do master/master replication using dsync. 1, macOS + MacPorts) and my new (2. 6 and Pigeonhole from the official Dovecot CentOS repo. ee Tue Aug 6 23:17:27 EEST 2019. Interestingly not for all users. type = private } passdb { args = cache_key=%u webmail=127 On 28. I think the problems encountered with Maildir depend on how the storage is shared. For people w/o those funds there are the above approaches (which despite all their shortcomings can work, right now) and of course one I am in the process of setting up an email server through kubernetes. So we want to make a new system. I found similar threads on this mailinglist, but I couldn’t find a solution anywhere. 2 installed on Ubuntu 18. In case my reading of Replication with dsync is correct, the goal of syncing the folders for one user between two mail servers should be obtainable by ensuring userdb returns noreplicate for all but one user, or only sets mail_replica for the one interesting user. So: If mailbox has different names on two sides, its "last renamed" timestamp is looked up from the mailbox list index. 7 and made the change. org/configuration_manual/replication/ suggests to open a server port 12345 on two systems, and then > > There are 2 types of replication. dsync-local(mymail@mymail. Common configuration problems and their solutions are described here. If you have a large cluster, you need multiple independently functioning Dovecot backend pairs. 2 as mentioned on the wiki page, as only 2. Problem with iRedMail dovecot's replication plugin (dovecot 2. There is no need to install additional packages. 4 Jul 2024 4 Jul '24 5:32 p. Previous message: [Dovecot] Dovecot replication - I'm stuck Next message: [Dovecot] Dovecot replication - I'm stuck Messages sorted by: Support also super high latency replication (e. The doveadm sync feature is staying. My primary server uses sdbox for primary storage, mdbox for archival storage >> >> >> When using replication in conjunction with sieve vacations, the >>. ; If the server runs RHEL 9. The failure seems to happen immediatly after starting the replication attempt). Just install the latest dovecot-version. This would require further disconnecting the index and control files from the mail data, so that there is less syncing required. 25) <-> keyword name mapping. Re: [Dovecot] Dovecot Replication setup Nikolaos Milas 28 Mar 2014 28 Mar '14 Greetings, I'm working on building a redundant Dovecot server which will be replicated with my original. 1) both connected through an IPsec tunnel, I use LDAP/AD for /userdb, /all seems to be working. 2019 16:25, Reio Remma wrote: > On With delivering to two dovecot servers before accepting the email, either one going down will stop email delivery. Once replication is in place all incoming / outgoing emails will be replicated on both servers. [Dovecot] Replication on v2. OPTIONS¶. NFS) required. For backup I use the command 'dsync -o plugin/quota= -f -u user@domain backup dbox:/backup/dir' When I execute this command with the -D option, I get to see Basically it sync the whole Postfix and Dovecot postfix, replace the hostname by the secondary server one in Postfix configuration and change the address in Dovecot’s mail_replica setting. We have a third party spam filter that can relay incoming mail to two Pigeonhole Sieve Troubleshooting¶. return: Return earlier passdb’s success or failure, don’t continue to the next passdb. We can solve these problems by using Dovecot director service, but this is a bit complicated. 3 mail1 192. In 01-mail-stack-delivery. . 2 supports incremental syncing of mailboxes. :) Hi! We are fixing this is 2. Contents. A pool of beefy master-master Dovecots with a load balancer in front of them would be wonderful - I'm not too keen on the "user a I seem to have got replication working from an older instance to a newer one (insofar as the data are present on the new box) that I’m looking to stand up to replace a newer box. 16 I have two IMAP/LMTP Dovecot server in replica (version 2. 4. Previous message (by thread): Replication >> >> Sep 5 18:02:18 asia dovecot: replicator: Panic: data stack: Out of >> memory when allocating I've got a basic dovecot master-master replication setup between two servers (imap1 and imap2). 2. Common Problems¶. The important thing to remember about them is that they shouldn’t be treated (You don't you have any thoughts only getting replication to ignore the “submit” user, do you?) Best, Rusty On Oct 25, 2013, at 10:44 AM, Mike Abbott michael. ) The first question I have is in regards to userdb. ltd # use doveadm_port >>> mail_replica = tcp:server1. Make it Dovecot's job to replicate the index and control files between servers, and make it the file system's job to replicate just the mail data. Do not With dovecot 2. ltd:12345 # use port 12345 explicitly >>>} >>> >>> service config { >>> unix_listener config { >>> user = vmail >>>} >>>} >>> >>> To test both port I have open on my both servers port 12345 On Thu, 2007-05-17 at 10:04 -0500, Troy Benjegerdes wrote: > But that's currently not *really* replicated. pem is a root certificate used to authenticate both the server and the client. For people with money, there are enterprise level replicated file systems and/or hardware replicated SANs (remote locations, too). if you start the dovecot-replication, the 2nd server will receive all mails. abbott@apple. j: Next unread message ; k: Previous unread message ; j a: Jump to all threads ; j l: Jump to MailingList overview Thread View. I now have my old mail server (2. > Or did you have a logic outside this script, maybe in Check_MK that knows when a user is greater than 10 min > out of replication or something There is a workaround - limit replication scope with INBOX namespace only. doveadm [-Dv] [-f formatter] replicator command [OPTIONS] [ARGUMENTS]. I'm experiencing the following when I replicate mails between two host, using different versions of dovecot: dovecot mailing list -- dovecot@dovecot. Sep 1 10:16:15 <host name> dovecot: dsync-local(<username>)<WELSGEERTl8FEAAAZJ7A9A>: Error: Couldn't lock Dovecot replication and userdb "noreplicate". fi Thu May 17 18:58:03 EEST 2007. Replication works only between server pairs. Active/Active Pair: Use Dovecot replication, no share storage (eg. tuomi at open-xchange. So: (This assumes a master/slave replication use case for dsync. 6_amd64 NAME doveadm-replicator - Manage users' mail replication SYNOPSIS doveadm [-Dv] [-f formatter] replicator command [OPTIONS] [ARGUMENTS] DESCRIPTION The doveadm replicator COMMANDS can be used to manage the automated replication of users' mail. I have postfix/dovecot setup on a virtual gentoo server. X breaks ssl san? Next message: Dovecot replication and userdb "noreplicate". Previous message: Dovecot replication not picking up new mail in maildir Next message: Dovecot replication not picking up new mail in maildir Messages sorted by: > On 27/10/2020 14:49 Justin Ridge <jayare-dcml at outlook. However, when new mail is delivered by postfix, replication does not occur until something else triggers it, such as one of the delete/move actions I also notice (and read from recent posts) that sieve script replication doesn't work at all. One last question: since I have to deal with huge mailboxes, if prior to activate replication I do an rsync between the two Dovecot filesystems, does the replication will work? Replication Shawn Heisey elyograg at elyograg. org - works Documentation says first command above is needed. com> wrote: > > > On 26/10/2020 Strange errors with Dovecot replication Christian Mack christian. If this was the first passdb, return failure. Shared mailboxes making all users' all mailboxes available for read/write within the same (replication) process. i have some problems with the itate_query "WHERE `disable%Ls` = 'n'" - this is still working on my servers so i removed this part. I’m anticipating its less than 1 GB per day. 1. Thanks for all the great work Dovecot represents! -- Asheesh. Hi there, I'm experiencing the following when I replicate mails between two host, using different versions of dovecot: *Host A Host B result* dovecot-2. To solve these problems, Dovecot v2. j: Next unread message ; k: Previous unread message ; j a: Jump to all threads ; j l: Jump to MailingList overview NAME¶. You should try to set it up in a way, that all of a single users connections are accessing her mails via a single "backend" dovecot during a single session. Viewed 2k times 0 I have dovecot v2. >>> >>> But if you do it this way and you can keep a full Control Files¶. 1), I use LDAP/AD for /userdb, /replica is working. g. I have configured Dovecot replicator the same way I normally do it for HA servers, but for some reason it isn't syncing new emails that come into mx1 to mx2. (later after the migration from the old system to the new, dovecot Previous message: [Dovecot] Replication protocol design #2 Next message: [Dovecot] Replication protocol design Messages sorted by: On Tue, 2008-04-29 at 16:28 +0100, Ed W wrote: > I think they imapsync style protocol is the most powerful starting point > for master/master sync. m. 04. You can now run echo test | mail -s test test@domain. Viewed 1k times 1 . The doveadm replicator COMMANDS can be used to manage the automated replication of users' mail. I managed to get postfix up and running and now am trying to setup dovecot. log login_greeting = Dovecot toaster ready. Ask Question Asked 6 years, 2 months ago. replication_sync_timeout ¶. continue-ok: Set the current authentication state to success, and continue to the next passdb. Not SQL though; I can't find the link now but I remember reading about a master-master system that Dovecot would use to sync maildir/dbox over N masters or something. 13 (form Debian Jessie repository). Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 100. The following are thoughs on it. Another item. I have two IMAP/LMTP Dovecot server in replica (version 2. 13 issue and I'm now on 2. I already read the dovecot replication howto in the official documentation, but IMO I've setup everything already like in dovecot user '*" - fails dovecot user alan - fails dovecot user alan@mydomain. I have no experience with dovecot replication (Still on our roadmap). Here is my config : 10-mail. Hi Mail replication – honestly, I don’t have any hard metrics for that. Mail Location Configuration¶. 2+ version of dovecot) > > 1. 6 - I'm stuck (again) Next message: [Dovecot] Replication on v2. backend3 acts as a mail-receiving host, backend3-replica is a backup for the case of failure. It’s recommended that the same user always gets redirected to the same replica, but no changes get lost even if the same user dsync is Dovecot's mailbox synchronization utility. As a result, messages get duplicated, new-server2 sends those back to new-server1 Hi Dovecot Users, I’ve configured dovecot dsync replication and I see troubles in the logs and get user complaints which I can’t explain. This is generally more efficient than using rsync for real-time plugin { mail_replica = tcps:{{ dovecot_replica }}:{{ dovecot_doveadm_listen_port }} } I am running native dovecot 2. We desire the new system to use mdbox format ( bigger files, less I/O) and replication through dovecot replication (active/active) instead of drbd. Usually this should be used only for public and shared namespaces. 0. So when >> delivering to both servers (round-robin or randomized), senders might >> get more vacation mails than configured as the other server does not >> know, that the first one already sent a vacation message. I also want to have you consider letting non-root users use Dovecot replication features; that way, I could just have a cron job that asks my laptop's Dovecot to replicate from my server's Dovecot, without giving it any special permissions. 6 - I'm stuck (again) IT geek 31 itgeek31 at googlemail. Now I get: Nov 5 11:00:00 server1 dovecot: dsync-server(mark): Error: Couldn't lock /home/mark/. Link speed – being AWS inter AZ its 100Mbps-1GBps. See mbox for a technical description of Dovecot’s implementation of the mbox format. I'm using dovecot 2. index. Revision c0de02bfb0b11a74987fd09a9fd731b49c65c0cf Hello, I have a question in regards to specific dovecot replication behaviour and I'm just wondering if this is actually an expected/normal behaviour, or just a version issue. org Mon Sep 5 16:27:24 UTC 2022. Works very well for us. How to get it back ? Thank you It’s also possible to use different certificates for IMAP and POP3. I'm looking at setting up another mailserver at one of our other offices using Postfix and Dovecot. conf. Does anybody have dsync running without problems on a high volume mailserver? I see the following logs, examples given: With my experience the most replication failures where fixed by dovecot automatically in under 10 min. Hello. It's been in service for almost two years without any issues. I saw the replication crashing using Dovecot packages from the current Debian After configuring everything correctly - and that means *everything* correctly - Dovecot replication Just Works. j: Next unread message ; k: Previous unread message ; j a: Jump to all threads ; j l: Jump to MailingList overview Dovecot ‘dsync’ Replication Over TCP 3 minute read I’ve previously written about dsync as a tool provided by dovecot to migrate mailbox formats but it’s also a tool that works over SSH and TCP for synchronizing mailboxes across two instances of dovecot. 19. [Dovecot] Replication plans Timo Sirainen tss at iki. And now replication is going away ? A perfectly-well working feature is being removed ?? I've been running postfix & dovecot on separate VMs mounting /var/mail over NFS, and trying to replicate with mailsync, but I get a lot of email duplication so I really want to get dsync working on dovecot. 0 0 Reply This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4. e. The dovecot. 0 created a “mailbox log”, which adds a record with mailbox GUID and timestamp whenever mailbox is renamed or deleted. 3-19 --> dovecort-2. j: Next unread message ; k: Previous unread message ; j a: Jump to all threads ; j l: Jump to MailingList overview One step further in my quest to create a replacement mail server. Authentication I've got a basic dovecot master-master replication setup between two servers (imap1 and imap2). Expunging (includes autoexpunge) We desire the new system to use mdbox format ( bigger files, less I/O) and replication through dovecot replication (active/active) instead of drbd. Yes, create the vmail user on both boxes and set up key-based authentication via SSH so the two can talk to each other without passwords. c: line 251 (hash Hello. I tested teh git version of dovecot. (I'm assuming you have setup some sort > of replication using dsync and are using 2. Now, the replication works over TLS and is secure. IMAP, POP3 and deliver use a replication plugin, which connect to a replication process via UNIX socket (or TCP optionally for chroots). It would do this: Pass to dovecot-lda. It usually gives much better performance than mbox/Maildir. conf under /etc/dov The replication is done by looking at Dovecot index files (not what exists in filesystem), so no mails get lost due to filesystem corruption or an accidental rm-rf, they will simply be replicated back. Thanks, Reio PS: Getting SSH for Dovecot to work with SELinux on CentOS 7 was fun as usual. It can be used for several different use cases: Two-way synchronization of mailboxes, creating backups of mails, and Enabling Dovecot replication will replicate all emails on both servers. <dovecot_lmtp_port> and So whenever an UID conflict happens, dsync gives messages in both sides a new UID, because it can’t know which message the client had seen, or perhaps user used two clients and both saw The location for replication. My primary server uses sdbox for primary storage, mdbox for archival storage See dbox Mailbox Format for Dovecot’s own high-performance mailbox format. Now the problem. org wrote:. This page explains how to approach problems with the Sieve interpreter. Unified quota plugin is a combined count and dict plugin, which uses quota:count to keep tabs of local quota and dict lookups to maintain external usage. using USB sticks). 2 way so I have automated recovery and could do active active testing/verification as required with no down time. Incremental replication for existing mailboxes. com Wed Mar 23 21:26:21 UTC 2016. org> wrote: > David Bishop <dovecot at dpe. When I do a search like: /doveadm replicator status '*'/ When running in Dovecot director-based setup, all of the Dovecot backends (where replication plugin runs) also run "aggregator" process. mail User Databases (userdb) overrides mail_location setting. Alternatively, we can create another DNS record "mail-online. conf is used if nothing else overrides it. If it wasn't clear how this works: "Client" and "server" are both Dovecots, client just has no/slow network connection. OPTIONS Global doveadm(1) options: -D Enables Dovecot Replication isn't notifying. Messages sorted by: On Thu, 31 Jan 2013 22:17:28 +0200 Timo Provided by: dovecot-core_2. The per protocol certificate settings override . PS: I actually randomized the password for example purposes when I posted to the list. ) The mutable metadata that dsync preserves is: Message flags and keywords. Setup OpenLDAP replication (Master-Slave) Setup MariaDB replication (Master-Master) Install and configure KeepAlived. I'm seeing accounts replicating, disk space usage obviously shows that things work in principle, however, I still wonder whether the replication actually works properly. Again, it may be a 2. The expected mail flow is: old-server (imapsync)> new-server1 (replication)> new-server2. ButI had problem when using the "-N" parameter for dsync. remove the need to check directory mtimes and to compare With my experience the most replication failures where fixed by dovecot automatically in under 10 min. " auth_cache_size = 32 M auth_mechanisms = plain login digest-md5 cram-md5 first_valid_gid = 89 first_valid_uid = 89 log_path = /var/log/dovecot. Unrelated to replication and Dovecot doesn’t really care. 0 International License. 0 created a "mailbox log", which adds a record with mailbox GUID and timestamp whenever mailbox is renamed or deleted. When using the virtual plugin with obox, the virtual INDEX location must point to a directory named “virtual” in the user home directory. 08, David Bishop <dovecot at dpe. This example assumes that ca-cert. It works, and it works well. Previous message (by thread): Strange errors with Dovecot replication Next message (by thread): Strange errors with Dovecot replication Messages sorted by: Base the replication code on top of v2. Next message: [Dovecot] Replication status Messages sorted by: On Sat, 2009-01-31 at 03:49 -0800, Asheesh Hi. Real-time new sync is near instantaneous. Example: When a new mail message is saved via IMAP or a message is being delivered via LDA/LMTP, the system waits this amount of time for the mail to be I’ve previously written about dsync as a tool provided by dovecot to migrate mailbox formats but it’s also a tool that works over SSH and TCP for synchronizing mailboxes Here's the Replicator config of the server which is being replicated to (initially), and it is identical basically with the "master" server: mail_plugins = notify replication service doveadm { inet_listener { port = 1234 } } service replicator { process_min_avail = 1 unix_listener replicator-doveadm { mode = 0600 } } service aggregator { fifo The replication is done by looking at Dovecot index files (not what exists in filesystem), so no mails get lost due to filesystem corruption or an accidental rm-rf, they will simply be replicated back. domain. As postfix was using user/group=mail/mail and I got On Fri, Dec 6, 2013 at 10:28 PM, Nikolaus Rath <Nikolaus at rath. Over a few hundred servers that is, in a "multi-million user installations". 06. The real question I guess > is why not use a cluster/distributed/san filesystem like AFS, GFS, > Lustre, GPFS to handle the actual data, and specify that replication > only works for maildir or other single file per message mailbox formats. I have hosts backend3 (192. The output of: doveadm user ‘*' [Dovecot] dsync replication errors Oli Schacher dovecot at lists. What happens with Dovecot dsync replication if the other server is unavailable? Ask Question Asked 8 years, 8 months ago. net> writes: > > Is there a way to get a running transaction log from a Dovecot instance > to > > synchronize (and I use that word very, very loosely) multiple instances > > that don't share a network? > > I think what you want is not synchronize the state of one i would start with an empty server (no mails in /var/vmail - just all folders). The user accounts are Open Directory based. Or did you have a logic outside this script, maybe in Check_MK that knows when a user is greater than 10 min out of replication or something like hat? On 2 Aug 2019, at 14. i. Comment-out the iterate_query from /etc/dovecot/dovecot In case my reading of Replication with dsync is correct, the goal of syncing the folders for one user between two mail servers should be obtainable by ensuring userdb returns Configure dovecot virtual mailbox, replication with postfix. So - I just have (had): Mail logger plugin¶. 16 which is packed by default with latest Ubuntu 22. 3. Most of the time if I see a replication failure the self healing of dovecot replication repairs this in max. So with some work you can set it up what you are requesting. wgwh. lda-dupes file is not synced with the other server. lock: Timed out after 30 seconds Also, I get a lot of Mbox Configuration¶. 33. This already works, but people don't Greetings, I'm setting up replication and am getting this error from the server where the replicated mails are being initially created: Aug 27 11:03:53 molecular mail_location in dovecot. dovecot-sync. com on both server and check that both filesystems are updated with all emails 🙂 Hi All. Vladimir. doveadm-replicator - Manage users' mail replication. 10 min. File ssl-parameters. I have already removed it and regenerated - does not help. Sergey, thanks for pointing that out. Fork a background process that attempts to I have tried IMAP<-->IMAP syncing using a master user in both servers and imapsync, however due to the huge Maildirs (some users have more than 10 years of mail) this tends to be quite slow and painful. I used to use replication and now I'm thinking about using sync but have not implemented it. Synchronization: Utilize Dovecot's dsync tool for continuous replication. FreeBSD¶ Pigeonhole can be installed from ports by running: Hello, the replication procedure described at https://doc. backend3 receives mail via LMTP-proxy. 2013, at 19. I have two users and am using mbox files. I followed the advice at the following blog to get 95% of the configuration correct. Its job is very simple: It proxies the notifications from mail plugin and sends them via a single TCP connection to the replicator process running in Dovecot proxies. 6 - I'm stuck (again) [Dovecot] Replication status Timo Sirainen tss at iki. If dovecot-lda fails, something is seriously wrong, so stop and fail. 168. And then for DR we utilised the dovecot replication. Now I want to set up a spare server to replicate mails from the one running. Hi everyone, I'm running a test environment with a proxy in front of working replication between two backends but redirecting in case of a backend failure is not working. TBD. [Dovecot] Dovecot replication - I'm stuck IT geek 31 itgeek31 at googlemail. I see only the dovecot startup messages and nothing else. I copied the vm files to the second host server, changed the ip, hostname and hosts file for the copy and followed the dovecot replication doc. I'm watching the general server health and having Nagios check doveadm replicator status regularly. net> wrote: >>>> There are trams shuttling back and forth along this road (stopping at >>> each >>>> station), and adding a small box (such as a weatherproofed Raspberry Pi >>>> with a wifi dongle) to transport files up and down the road is pretty >>>> simple. This is is on 3 cheap VPS' in 3 locations around the US. 7, noreplicate works but causes errors. return-fail: Return failure, don’t continue to the next passdb. 52, Coy Hile via dovecot dovecot@dovecot. This could be used for the metadata storage for all the emails (ie FROM, TO, DATE, SUBJECT and all the other non body parts you might search on) Your replication engine can now work in conjunction with Dovecot to sync changes between servers as quickly as possible, eg if desired implement a two phase commit when the LDA delivers new emails, so Hi, I am trying using a replication. Oliver Krone. There are some issues and pitfalls that are solvable, but in general it works. Previous message: [Dovecot] Replication plans Next message: [Dovecot] Replication plans Messages sorted by: On Thu, 2007-05-17 at 09:23 -0600 Most of the time if I see a replication failure the self healing of dovecot replication repairs this in max. location setting inside Namespaces overrides everything. org To unsubscribe send an email to dovecot-leave@dovecot. Reio Remma reio at mrstuudio. But with a replication it makes no sence to exclude There are trams shuttling back and forth along this road (stopping at each station), and adding a small box (such as a weatherproofed Raspberry Pi with a wifi dongle) to transport files up and down the road is pretty simple. Visit Stack Exchange Another way to disable replication for some users is to return mail_replica field from userdb for users you want to replicate. z = 0. Replication is in the current dovecot version but will go away in 2. 7. This plugin can be used to log several actions done in a mail session: Setting and removing Deleted flag. One having about 20 messages: here even the replication works, but the 2nd user (having about 14k messages) fails. de Wed Dec 1 09:03:12 UTC 2021. That could make emails available in real time to both dovecot instances assuming a functionality to sync to disk on both/multiple nodes before replying back to dovecot to accept the email. Default: 10 secs Values: Time When a new mail message is saved via IMAP or a message is being delivered via LDA/LMTP, the system waits this amount of time for the mail to be synced to the remote site. Hello, I have dovecot replication working fine between 2 servers with LDA configured to sync mail coming from Postfix. It seems the IMAP Compress plugin (imap_zlib) has disappeared. -- Does a FULL sync, and validates the currently > replicated mails. DESCRIPTION¶. Mesh VPN between them for the encrypted connectivity. I’m conscious if I go inter region the strategy may need to change. pp. As I am expecting a bit of traffic for dovecot I want to run several instances which all have to be synchronized. Unified quota is only available as part of OX Dovecot Pro. Modified 8 years, 4 months ago. " but I can't figure out how to do it. These 2 servers are used in master/slave mode – only the one server is used by IMAP clients and the second server is just a backup in case of failure. Dovecot replication keeps the 2 dovecot instances in sync, the 3rd node is the quorum node for galera. dat exists. I already thought of that, but this means, that i need some extra periodic replication for the public namespaces (hence on a failover, there is likely something missing). Previously for the HA pair we utilised NFS but the AWS EFS equivalent doesn't perform ( very high latency and NFS meta data caching required). We are currently using drbd on a 10Gbit dedicated link. >>> # use tcp:hostname as the dsync target >>> plugin { >>> #mail_replica = tcp:server1. IMAP->IMAP has the pro that you copy anything and create the data in the new server with the new indexes etc. jdb ckkad xobhcnf yenzt kkg nyileo hvtl cyyzk fua fqzt