- dovecot - dovecot.org

dsync error: Received unexpected input d != N
by David Mandelberg 03 Nov '21

03 Nov '21

Hi, I'm trying to set up replication with dsync, and I'm getting errors like this: dsync-local(david(a)mandelberg.org)<...>: Error: dsync(...): Received unexpected input d != N I tried the `doveadm -D sync` command from https://doc.dovecot.org/configuration_manual/replication/#administration and its output looked like: ... dsync-local(david(a)mandelberg.org)<...>: Debug: brain M: Locking done by remote (local hostname=..., remote hostname=...) dsync-local(david(a)mandelberg.org)<...>: Debug: brain M: Local mailbox tree: ... [line above repeated many times for different mailboxes] dsync-local(david(a)mandelberg.org)<...>: Error: dsync(...): Received unexpected input d != N dsync-local(david(a)mandelberg.org)<...>: Error: dsync(...): Received unexpected input d != N dsync-local(david(a)mandelberg.org)<...>: Debug: auth-master: conn unix:/run/dovecot/auth-userdb (pid=47097,uid=0): Disconnected: Connection closed (fd=8) I'm a bit stuck. Does anybody have any ideas what's going on? The output of `doveconf -n` is attached.

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Auth-Trouble
by Hanns Mattes 03 Nov '21

03 Nov '21

Hi, I've installed Dovecot on a freshly installed machine running Freebsd 13.4. Configuration was copied from an earlier installation, which worked perfectly, until I screwed an update. AFAICS things are working, except replication. I see tons of Errors on the remote and the local machine Oct 31 16:15:30 freebsd dovecot[3248]: doveadm(xxx(a)xx.de): Fatal: connect(213.239.197.36:54321) failed: Interrupted system call and some Oct 31 16:47:33 freebsd dovecot[5509]: auth: cram-md5(xxx(a)xx.de,176.199.241.57,<xSyR+afPn9ywx/E5>): Password mismatch Oct 31 16:47:28 freebsd dovecot[5509]: doveadm(xxx(a)yy.de): Fatal: connect(213.239.197.36:54321) failed: Connection refused and we also get Oct 31 18:17:17 freebsd dovecot[934]: imap(xxx(a)wxxx.de)<1649><lWFvO6nPDeewx/E5>: Panic: file array.c: line 10 (array_idx_modifiable_i): assertion failed: (idx < array->buffer->used / array->element_size) Oct 31 18:17:17 freebsd dovecot[934]: imap(xxx(a)wxxx.de)<1649><lWFvO6nPDeewx/E5>: Fatal: master: service(imap): child 1649 killed with signal 6 (core not dumped - https://dovecot.org/bugreport.html#coredumps - set service imap { drop_priv_before_exec=yes }) not to forget Oct 31 18:18:33 freebsd dovecot[934]: doveadm(xxx@xxx): Fatal: connect(213.239.197.36:54321) failed: Connection refused Users are authenticating with ldap. I'm clueless, and I don't have any clue, if it is a misconfiguration of dovecot or my freebsd-install. Any ideas appreciated Here is the output of doveconf -n # 2.3.17 (e2aa53df5b): /usr/local/etc/dovecot/dovecot.conf # Pigeonhole version 0.5.17 (054dddfa) # OS: FreeBSD 13.0-RELEASE-p4 amd64 # Hostname: freebsd.bruecko.de auth_mechanisms = plain login digest-md5 cram-md5 apop auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890+.-_@ auth_verbose = yes doveadm_password = # hidden, use -P to show it doveadm_port = 54321 lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes lda_original_recipient_header = X-Original-To lmtp_save_to_detail_mailbox = yes mail_location = mdbox:~/mdbox mail_plugins = " quota fts fts_xapian trash zlib notify replication acl" managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext namespace { hidden = no ignore_on_failure = no inbox = no list = children location = mdbox:%%h/mdbox prefix = shared/%%u/ separator = / subscriptions = yes type = shared } namespace { location = mdbox:/virtualmail/public:INDEXPVT=%h/mdbox/Public prefix = Public/ separator = / subscriptions = yes type = public } namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = INBOX/ separator = / } passdb { args = /usr/local/etc/dovecot/master-users driver = passwd-file master = yes pass = yes } passdb { args = /usr/local/etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { acl = vfile acl_anyone = allow acl_shared_dict = file:/virtualmail/shared-mailboxes.db fts = xapian fts_autoindex = yes fts_autoindex_exclude = \Trash fts_enforced = yes fts_xapian = partial=3 full=20 verbose=0 mail_replica = tcps:mail.bruecko.de quota = dict:User quota::file:%h/dovecot-quota quota_exceeded_message = Storage quota for this account has been exceeded, please try again later. quota_grace = 250M quota_rule = *:storage=2500M quota_rule2 = INBOX/Trash:storage=+10%% quota_status_nouser = DUNNO quota_status_overquota = 552 5.2.2 Mailbox is full / Mailbox ist voll quota_status_success = DUNNO quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u quota_warning3 = storage=75%% quota-warning 75 %u sieve = ~/dovecot.sieve sieve_dir = ~/sieve sieve_global_dir = /virtualmail sieve_max_actions = 0 sieve_max_redirects = 128 sieve_max_script_size = 0 sieve_quota_max_scripts = 0 trash = /usr/local/etc/dovecot/dovecot-trash.conf.ext } postmaster_address = admin(a)bruecko.de protocols = imap pop3 lmtp sieve replication_dsync_parameters = -d -N -l 30 -U -x Public service aggregator { fifo_listener replication-notify-fifo { user = vmail } unix_listener replication-notify { user = vmail } } service auth { unix_listener /var/spool/postfix/private/auth { mode = 0666 } unix_listener auth-userdb { group = vmail user = vmail } } service decode2text { executable = script /usr/local/libexec/dovecot/decode2text.sh unix_listener decode2text { mode = 0666 } user = dovecot } service doveadm { inet_listener { port = 54321 ssl = yes } vsz_limit = 0 } service imap-login { inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } } service indexer-worker { vsz_limit = 2 G } service lmtp { inet_listener lmtp { address = 127.0.0.1 port = 24 } user = vmail } service managesieve-login { inet_listener sieve { port = 4190 } inet_listener sieve_deprecated { port = 2000 } } service pop3-login { inet_listener pop3 { port = 110 } inet_listener pop3s { port = 995 ssl = yes } } service quota-status { client_limit = 1 executable = quota-status -p postfix inet_listener { port = 12340 } } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { user = vmail } user = vmail } service replicator { process_min_avail = 1 unix_listener replicator-doveadm { mode = 0666 } } ssl_cert = </usr/local/etc/dovecot/fullchain17.pem ssl_cipher_list = ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA ssl_client_ca_dir = /etc/ssl/certs ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes userdb { driver = prefetch } userdb { args = /usr/local/etc/dovecot/dovecot-ldap.conf.ext driver = ldap } verbose_proctitle = yes protocol lmtp { mail_plugins = " quota fts fts_xapian trash zlib notify replication acl sieve" } protocol lda { mail_plugins = " quota fts fts_xapian trash zlib notify replication acl sieve" } protocol imap { mail_max_userip_connections = 100 mail_plugins = " quota fts fts_xapian trash zlib notify replication acl imap_quota imap_zlib imap_acl" } Regards Hanns

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Shared folders - dovecot.index.pvt view is inconsistent
by Felix Ingram 03 Nov '21

03 Nov '21

Hello all, As part of the system I'm cobbling together, I have a need for sharing folders between users. I've followed the various pieces of documentation and seem to have something working but have encountered an odd issue. When user1 shares a folder with user2, then on first access user2 gets a "permission denied" error when trying to access the folder. If I immediately try to access the folder again, then everything is okay. The logs talk about the index.pvt files being inconsistent, which seems to result in the error the first time but allows access the second. I've searched the mailing lists and it seems that this was seen a few years ago and is due to the index files being empty but there didn't seem to be a resolution. At the moment, I am filing messages into folders under INBOX, which means that the INBOX itself is empty (though I've seen the same behaviour if I put some messages in there as well). Can anyone suggest a fix/workaround? I've included my config and some log entries below. In the logs, the "tester@..." user is trying to access the folder "INBOX/tester2" shared by "foo123@...". (Bonus question: can anyone suggest a mail client that allows easy access to shared folders? For the life of me I can't see how to do it in Thunderbird, so I'm using a python script at the moment.) Thanks in advance, Felix # 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.7.2 () # OS: Linux 5.10.16.3-microsoft-standard-WSL2 x86_64 Ubuntu 20.04.3 LTS overlay # Hostname: ptm-dovecot-5b466fb667-gk6f7 auth_debug = yes auth_debug_passwords = yes auth_master_user_separator = * auth_username_chars = auth_verbose = yes dict { acl = pgsql:/etc/dovecot/conf.d/dovecot-dict-sql.conf.ext } disable_plaintext_auth = no log_path = /dev/stderr mail_debug = yes mail_location = maildir:/home/vmail/%u mail_plugins = acl master_user_separator = * namespace { inbox = yes location = prefix = separator = / type = private } namespace { list = children location = maildir:/home/vmail/%%u:INDEXPVT=~/Maildir/shared/%%u prefix = shared/%%u/ separator = / subscriptions = no type = shared } passdb { args = /etc/dovecot/conf.d/dovecot-sql.conf.ext driver = sql } plugin { acl = vfile:/etc/dovecot/dovecot-acl:cache_secs=6 acl_defaults_from_inbox = yes acl_shared_dict = proxy::acl sieve_default = /etc/dovecot/conf.d/user-to-folder.sieve } protocols = imap lmtp service auth { unix_listener auth-userdb { group = vmail mode = 0600 user = vmail } user = root } service lmtp { inet_listener lmtp { address = 0.0.0.0 port = 24 } } userdb { args = /etc/dovecot/conf.d/dovecot-sql.conf.ext driver = sql } protocol lmtp { log_path = /home/vmail/dovecot-deliver.log mail_plugins = acl sieve postmaster_address = admin(a)mydomain.com } protocol imap { mail_plugins = acl imap_acl } Log output: Nov 03 14:38:27 : Debug: acl: initializing backend with data: vfile:/etc/dovecot/dovecot-acl:cache_secs=6 Nov 03 14:38:27 : Debug: acl: acl username = tester(a)dovecot.mydomain.com Nov 03 14:38:27 : Debug: acl: owner = 1 Nov 03 14:38:27 : Debug: acl vfile: Global ACL file: /etc/dovecot/dovecot-acl Nov 03 14:38:27 : Debug: Namespace : type=shared, prefix=shared/%u/, sep=/, inbox=no, hidden=no, list=children, subscriptions=no location=maildir:/home/vmail/%u:INDEXPVT=~/Maildir/shared/%u Nov 03 14:38:27 : Debug: shared: root=/var/run/dovecot, index=, indexpvt=, control=, inbox=, alt= Nov 03 14:38:27 : Debug: acl: initializing backend with data: vfile:/etc/dovecot/dovecot-acl:cache_secs=6 Nov 03 14:38:27 : Debug: acl: acl username = tester(a)dovecot.mydomain.com Nov 03 14:38:27 : Debug: acl: owner = 0 Nov 03 14:38:27 : Debug: acl vfile: Global ACL file: /etc/dovecot/dovecot-acl Nov 03 14:38:27 : Debug: Mailbox INBOX: Mailbox opened because: SELECT Nov 03 14:38:27 : Debug: acl vfile: file /home/vmail/ tester(a)dovecot.mydomain.com/dovecot-acl not found Nov 03 14:38:27 : Debug: Namespace : /home/vmail/tester(a)dovecot.mydomain.com doesn't exist yet, using default permissions Nov 03 14:38:27 : Debug: Namespace : Using permissions from /home/vmail/ tester(a)dovecot.mydomain.com: mode=0700 gid=default Nov 03 14:38:27 : Debug: acl vfile: file /home/vmail/ tester(a)dovecot.mydomain.com/dovecot-acl not found Nov 03 14:38:27 : Debug: auth-master: userdb lookup( foo123(a)dovecot.mydomain.com) Started userdb lookup Nov 03 14:38:27 : Debug: auth-master: conn unix:/var/run/dovecot/auth-userdb: Connecting Nov 03 14:38:27 : Debug: auth-master: conn unix:/var/run/dovecot/auth-userdb: Client connected (fd=18) Nov 03 14:38:27 auth: Debug: master in: USER 1 foo123(a)dovecot.mydomain.com service=imap Nov 03 14:38:27 auth: Debug: sql(foo123(a)dovecot.mydomain.com): Performing userdb lookup Nov 03 14:38:27 auth: Debug: sql(foo123(a)dovecot.mydomain.com): SELECT home, uid, gid FROM users WHERE userid = 'foo123' AND domain = ' dovecot.mydomain.com' Nov 03 14:38:27 auth: Debug: sql(foo123(a)dovecot.mydomain.com): Finished userdb lookup Nov 03 14:38:27 auth: Debug: userdb out: USER 1 foo123(a)dovecot.mydomain.com home=/tmp/foo123 uid=5000 gid=5001 Nov 03 14:38:27 : Debug: auth-master: userdb lookup( foo123(a)dovecot.mydomain.com) auth USER input: foo123(a)dovecot.mydomain.com home=/tmp/foo123 uid=5000 gid=5001 Nov 03 14:38:27 : Debug: auth-master: userdb lookup( foo123(a)dovecot.mydomain.com) Finished userdb lookup (username= foo123(a)dovecot.mydomain.com home=/tmp/foo123 uid=5000 gid=5001) Nov 03 14:38:27 : Debug: maildir++: root=/home/vmail/ foo123(a)dovecot.mydomain.com, index=, indexpvt=/tmp/foo123/Maildir/shared/ foo123(a)dovecot.mydomain.com, control=, inbox=/home/vmail/ foo123(a)dovecot.mydomain.com, alt= Nov 03 14:38:27 : Debug: acl: initializing backend with data: vfile:/etc/dovecot/dovecot-acl:cache_secs=6 Nov 03 14:38:27 : Debug: acl: acl username = foo123(a)dovecot.mydomain.com Nov 03 14:38:27 : Debug: acl: owner = 1 Nov 03 14:38:27 : Debug: acl vfile: Global ACL file: /etc/dovecot/dovecot-acl Nov 03 14:38:27 : Debug: maildir++: root=/home/vmail/ foo123(a)dovecot.mydomain.com, index=, indexpvt=/tmp/tester/Maildir/shared/ foo123(a)dovecot.mydomain.com, control=, inbox=/home/vmail/ foo123(a)dovecot.mydomain.com, alt= Nov 03 14:38:27 : Debug: acl: initializing backend with data: vfile:/etc/dovecot/dovecot-acl:cache_secs=6 Nov 03 14:38:27 : Debug: acl: acl username = tester(a)dovecot.mydomain.com Nov 03 14:38:27 : Debug: acl: owner = 0 Nov 03 14:38:27 : Debug: acl vfile: Global ACL file: /etc/dovecot/dovecot-acl Nov 03 14:38:27 : Debug: Mailbox shared/foo123(a)dovecot.mydomain.com/INBOX: Mailbox opened because: SELECT Nov 03 14:38:27 : Debug: acl vfile: reading file /home/vmail/ foo123(a)dovecot.mydomain.com/dovecot-acl Nov 03 14:38:27 : Error: /tmp/tester/Maildir/shared/ foo123(a)dovecot.mydomain.com/.INBOX/dovecot.index.pvt reset, view is now inconsistent Nov 03 14:38:27 : Debug: Namespace shared/: Using permissions from : mode=0700 gid=default Nov 03 14:38:27 : Debug: acl vfile: file /home/vmail/ foo123(a)dovecot.mydomain.com/.INBOX.tester2/dovecot-acl not found Nov 03 14:38:27 : Error: /tmp/tester/Maildir/shared/ foo123(a)dovecot.mydomain.com/.INBOX/dovecot.index.pvt view is inconsistent Nov 03 14:38:27 : Debug: Mailbox shared/ foo123(a)dovecot.mydomain.com/INBOX/tester2: Mailbox opened because: SELECT Nov 03 14:38:27 : Error: /tmp/tester/Maildir/shared/ foo123(a)dovecot.mydomain.com/.INBOX.tester2/dovecot.index.pvt reset, view is now inconsistent Nov 03 14:38:28 : Error: /tmp/tester/Maildir/shared/ foo123(a)dovecot.mydomain.com/.INBOX.tester2/dovecot.index.pvt view is inconsistent Nov 03 14:38:28 : Debug: Mailbox shared/ foo123(a)dovecot.mydomain.com/INBOX/tester2: UID 1: Opened mail because: prefetch Nov 03 14:38:28 : Debug: Mailbox shared/ foo123(a)dovecot.mydomain.com/INBOX/tester2: UID 1: Opened mail because: access Nov 03 14:38:28 : Debug: Mailbox shared/ foo123(a)dovecot.mydomain.com/INBOX/tester2: UID 1: Opened mail because: full mail Nov 03 14:38:28 : Info: FETCH failed: Permission denied in=360 out=2880 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=1 body_bytes=857

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full-text index and search
by Yonghua Peng 03 Nov '21

03 Nov '21

dear community Does dovecot have the plugins to implement full-text indexing and searching? Thanks a lot.

2 1

Multiple messages with the same GUID
by Ron Garret 02 Nov '21

02 Nov '21

I somehow ended up with multiple messages in the same mailbox with the same GUID. All of the messages are identical (AFAICT) but getting multiple responses for doveadm fetch for a particular guid is screwing up one of my applications. When I searched for the offending guid in dovecot-uidlist I found this: 4927 :1632837493.M663171P23208.vm1.rngh.net,S=3942258,W=3993573 4928 G1632837493.M663171P23208.vm1.rngh.net,S=3942258,W=3993573 :1632880292.M915983P1968.vm1.rngh.net,S=3942258,W=3993573 4929 G1632837493.M663171P23208.vm1.rngh.net,S=3942258,W=3993573 :1632880303.M863130P547.vm1.rngh.net,S=3942258,W=3993573 4930 G1632837493.M663171P23208.vm1.rngh.net,S=3942258,W=3993573 :1632880303.M863131P547.vm1.rngh.net,S=3942258,W=3993573 I tried to figure this out by looking at: https://doc.dovecot.org/admin_manual/mailbox_formats/maildir/ but this case doesn’t seem to be covered there. Can someone please help me figure out what might have happened to produce this situation? Is there a way to recover from it? Thanks, rg

2 2

Transfer or Archival of Dovecot Accounts
by Stefan Malte 02 Nov '21

02 Nov '21

Hello, We have the following situation: We are using Dovecot on several Mailservers administered via ISPConfig. The servers all use old versions of Debian and ISPConfig and my job - I joined the company as a Linux system administrator 6 months ago - is to consolidate these old servers into one new server I already set up. I did a trial run with one user from one company by way of duplicating her account on the new server, creating a new mail account in her outlook and changing the MX record from the old to the new server. This works. This was rather time-intensive and I still have to face the problem of what to do with the existing mail data once we shut down the old servers one-by-one. Is there a way to move or even better integrate the data from the old mailbox on the old server to the new mailbox on the new server without any user intervention? https://pypi.org/project/dovecot-archive/ looks promising, but it assumes a situation we don't have: In our case the original user and the user in whose mailbox the data should be stored have the same email address. I am very open to suggestions on how to do this the smart way. Even manually entering the users' account data by hand on the new server is very time consuming. At the same time this is a much needed opportunity to weed out old mailboxes and forwardings which are not used any more. Even complete domains on the old servers have proven to be not in use anymore - the client company switched to Exchange online according to the MX record and failed to inform us. Anyway, this is a huge load of work and I'd rather spend more time preparing correctly and efficiently repeating simple tasks again and again. I am grateful for any advice. After all, this situation is certainly not unique. Yours faithfully Stefan Malte Schumacher

1 0

health check passthrough not 100% in combination with haproxy
by Marc 02 Nov '21

02 Nov '21

I have been trying to get a simple health check in haproxy to work. But somehome the haproxy request is differently handled then a curl request, which generates a socket error in haproxy. The health script echos these lines, with this config[2] echo -ne "HTTP/1.1 200 OK\r\n" echo -ne "Content-Length: 0\r\n" echo -ne "\r\n" exit 0 The curl request generates ok, haproxy generates socket error. The haproxy=yes, reuseport=yes do not seem to resolve anything. If stop dovecot and run "dovecot-health-check.sh | nc -l 192.168.10.46 5001" then the haproxy check is ok. So I guess the script is ok. But what is dovecot then doing with it's output when haproxy is requesting it? [1] https://discourse.haproxy.org/t/httpck-on-bash-script-results-in-socket-err… [2] service health-check { executable = script -p /usr/local/sbin/dovecot-health-check.sh inet_listener health-check { port = 5001 haproxy = no reuse_port = no } }

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Ldap dict for shared mailboxes
by Kees van Vloten 02 Nov '21

02 Nov '21

Hi everybody, I am trying to construct a LDAP dict for shared mailboxes. There is a lot of documentation available but nothing specific to this usecase. I could not find anything useful on Google nor in the mailinglist archives :-( The best start point seems to be the doc on shared mailbox dictionaries (https://doc.dovecot.org/configuration_manual/shared_mailboxes/shared_mailbo…) in particular the example for SQL dict. But obviously LDAP is different than SQL. The dictionaries page (https://doc.dovecot.org/configuration_manual/dict/) has LDAP example but it looks like it does not contain all the bit and pieces I need. Following the structure of the SQL example, I come to something like this: map { pattern = shared/shared-boxes/user/$to/$from base_dn = ou=shared mailboxes,dc=example,dc=com filter = (&(objectClass=group)(mail=%{from}) fields { from_user=$from to_user=$to } } The "to_user" / "$to" should be filled with the 'uid' or 'email' of a nested group lookup of the 'member' fields of the group. What are the mechanics to get that done? Does anyone has an example or pointer to documentation or is a LDAP dict for shared-mailboxes not possible / supported? And in the latter case, suggestions about possible alternatives are welcome :-) FYI. the LDAP implementation I am using is a recent Samba4 ad-dc. - Kees.

1 0

limiting cpu time of dovecot/imap
by Marc 01 Nov '21

01 Nov '21

What would be the best way to 'throttle' dovecot/imap processes of specific users?

2 1

Dovecot does not start on MacOS 12.01
by Don Feliciano 01 Nov '21

01 Nov '21

I've been happily running Dovecot on my Mac for many years (installed via Homebrew). After upgrading to Monterey (MacOS 12.01), it no longer starts: $ sw_vers ProductName: macOS ProductVersion: 12.0.1 BuildVersion: 21A559 $ uname -a Darwin dfelicia-mac 21.1.0 Darwin Kernel Version 21.1.0: Wed Oct 13 17:33:23 PDT 2021; root:xnu-8019.41.5~1/RELEASE_X86_64 x86_64 $ sudo dovecot -F Oct 27 10:11:18 service(log): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument $ mount /dev/disk1s2s1 on / (apfs, sealed, local, read-only, journaled) devfs on /dev (devfs, local, nobrowse) /dev/disk1s5 on /System/Volumes/VM (apfs, local, noexec, journaled, noatime, nobrowse) /dev/disk1s3 on /System/Volumes/Preboot (apfs, local, journaled, nobrowse) /dev/disk1s6 on /System/Volumes/Update (apfs, local, journaled, nobrowse) /dev/disk1s1 on /System/Volumes/Data (apfs, local, journaled, nobrowse) $ sudo dovecot -n # 2.3.16 (7e2e900c1a): /usr/local/etc/dovecot/dovecot.conf # Pigeonhole version 0.5.16 (09c29328) # OS: Darwin 21.1.0 x86_64 apfs # Hostname: dfelicia-mac default_internal_group = mail default_internal_user = _dovecot default_login_user = _dovenull first_valid_uid = 100 listen = 127.0.0.1 log_path = /var/log/dovecot.log mail_location = maildir:/usr/local/var/mail/%u managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext 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 = login driver = pam } protocols = imap service imap-login { inet_listener imap { address = 127.0.0.1 port = 143 } inet_listener imaps { address = 127.0.0.1 ssl = no } } ssl = no userdb { driver = passwd } $ ulimit -Ha core file size (blocks, -c) unlimited data seg size (kbytes, -d) unlimited file size (blocks, -f) unlimited max locked memory (kbytes, -l) unlimited max memory size (kbytes, -m) unlimited open files (-n) unlimited pipe size (512 bytes, -p) 1 stack size (kbytes, -s) 65532 cpu time (seconds, -t) unlimited max user processes (-u) 2784 virtual memory (kbytes, -v) unlimited

3 10