- dovecot - dovecot.org

Is it possible to show different mechanism according to client IP ?
by Philippe MARASSE 26 Oct '23

26 Oct '23

Hello, Say I'm wondering if it's possible to show 3 mechanisms for clients in private network (XOAUTH2 / PLAIN / EXTERNAL) and only 2 to others (only OAUTH / EXTERNAL) ? I've seen allow_nets extra field for args, but it seems that's not working with ldap passdb. Regards. -- Philippe MARASSE Responsable pôle Infrastructures - DSIO Centre Hospitalier Henri Laborit CS 10587 - 370 avenue Jacques Cœur 86021 Poitiers Cedex Tel : 05.49.44.57.19 Hello, Say I'm wondering if it's possible to show 3 mechanisms for clients in private network (XOAUTH2 / PLAIN / EXTERNAL) and only 2 to others (only OAUTH / EXTERNAL) ? I've seen allow_nets extra field for args, but it seems that's not working with ldap passdb. Regards. -- Philippe MARASSE Responsable pôle Infrastructures - DSIO Centre Hospitalier Henri Laborit CS 10587 - 370 avenue Jacques Cœur 86021 Poitiers Cedex Tel : 05.49.44.57.19

2 1

Unclear output from force-resync.
by Justin Wheeler 25 Oct '23

25 Oct '23

Hi, After a hard drive issue from my VPS provider, one of my customers' mailboxes has been corrupted, and has been complaining about index sync issues. So I am attempting a force-resync. The command I used was: doveadm -v force-resync -u user(a)mailbox.com '*' The output it's been giving doesn't look anything like a 'progress counter', so I have no idea if it's just losing its mind, or if it's actually achieving anything. The mailbox is 20G, so theoretically it's just working its way through it, but I can't tell. The output looks like: doveadm(user(a)mailbox.com): Warning: fscking index file /home/mail/mailbox.com/user/mdbox/storage/dovecot.map.index doveadm(user(a)mailbox.com): Warning: mdbox /home/mail/mailbox.com/user/mdbox/storage: rebuilding indexes doveadm(user(a)mailbox.com): Warning: Transaction log file /home/mail/mailbox.com/user/mdbox/storage/dovecot.map.index.log was locked for 90 seconds (mdbox storage rebuild) doveadm(user(a)mailbox.com): Warning: fscking index file /home/mail/mailbox.com/user/mdbox/storage/dovecot.map.index doveadm(user(a)mailbox.com): Warning: fscking index file /home/mail/mailbox.com/user/mdbox/storage/dovecot.map.index doveadm(user(a)mailbox.com): Warning: mdbox /home/mail/mailbox.com/user/mdbox/storage: rebuilding indexes doveadm(user(a)mailbox.com): Warning: Transaction log file /home/mail/mailbox.com/user/mdbox/storage/dovecot.map.index.log was locked for 90 seconds (mdbox storage rebuild) It's just this over and over and over and over. Does this mean it's working, or that something else is going on? fuser /home/mail/mailbox.com/user/mdbox/storage/dovecot.map.index.log shows only the PID of the force-resync, and ls -l /proc/pid/fd shows it has a bunch of index and index.log and index.cache files open, as well as scrolling through mdbox/storage/m.{digits} a bunch, and strace -fp on the process shows a boatload of pread64 on those m.{digits} files, so I *think* it's working, but I can't tell if it's just restarting after the above messages and doing the same thing over and over again. I've locked the mailbox so there's no mail delivery being attempted on it, and changed its password and kicked out any logged in users on the mailbox, so the only process anywhere near that entire directory structure is the force-resync. Thanks, Justin

1 0

dovecot lmtp and smtputf8
by Kamil Jońca 25 Oct '23

25 Oct '23

Does dovecot handle smtputf8? Last articles regarding this are several years old. Anything changed? KJ

2 2

dovecot 2.0 supports EC private key?
by Marc 24 Oct '23

24 Oct '23

Does dovecot 2.0 supports EC private key?

2 1

Question: ETA OpenSSL 3.0 Support
by Niklas Meyer 23 Oct '23

23 Oct '23

Hello everyone, i stumbled across some serious problems with decrypting of e-mails if you use a Dovecot installation with OpenSSL 3.X so i started digging. It turns out that Dovecot is not OpenSSL 3.X ready yet, at least if you compile it yourself. The Debian Project adapted a OpenSSL 3.X patch to their repo version of Dovecot to make it run with Debian 12. Alpine Linux has not added a Workaround Patch for Dovecot yet. This is actually really bad if you want to Upgrade your Dovecot Server to a Distro which has OpenSSL 3.X as the new standard and you are not using their patched Repo Versions but instead compiling dovecot by yourself or install it from your package repos (which are not Debian 12 compatible also, which is probably because of OpenSSL 3.X i presume?) However though i think that this compatibility should be added soon as more and more Distros are using OpenSSL 3.X. So: Is there a approx. ETA when the OpenSSL Compatibility the devs worked/are working on is coming? Thank you for your answers. Kind regards from Germany Niklas Meyer aka. DerLinkman

2 3

Confusing documentation for 'address/listen' setting
by Bruno Victal 21 Oct '23

21 Oct '23

Hi, The 'address' setting in the “Service configuration” of the Configuration Manual [1] says: Space separated list of IP addresses / host names to listen on. […] Defaults to listen setting. I'm finding this part confusing as it seems that by “listen setting” it is referring to the 'listen' setting in the “Dovecot Core Manual” [2] which is described as: A comma-separated list of IP addresses or […] which leads me to suspect that either “listen setting” refers to something else (what?) or there's some inconsistency with the documentation or perhaps a bug/foot-gun here. [1]: <https://doc.dovecot.org/configuration_manual/service_configuration/#address> [2]: <https://doc.dovecot.org/settings/core/#core_setting-listen> Regards, -- Bruno.

1 0

Re: Dovecot behind Reverse Proxy and IP families
by Arnaud Cordier 20 Oct '23

20 Oct '23

On 10/13/23 06:55, Arnaud Cordier wrote: > Hi Justas, > > Thank you for your answer. Unfortunately, I already have a dual stack > cluster with an IPv6 assigned to the pod: > > 3: eth0@if22: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1430 qdisc > noqueue state UP qlen 1000 > link/ether c6:90:d2:cf:b8:77 brd ff:ff:ff:ff:ff:ff > inet 10.42.4.52/32 scope global eth0 > valid_lft forever preferred_lft forever > inet6 fd23:23:42:0:251d:192a:bb7f:a1f4/128 scope global > valid_lft forever preferred_lft forever > inet6 fe80::c490:d2ff:fecf:b877/64 scope link > valid_lft forever preferred_lft forever > > Any additional idea? > > --- > Arnaud Cordier > --------------- > CryptID > Freelance cybersecurity engineer - Pentester - Red teamer > Tel: +33 (0)6 61 44 82 04 > On 10/12/23 22:54, Justas Umbrasas wrote: >> >> Hey, >> >> >> we are running a similar setup without an issue (not on k8s). I >> believe the reason is that the remote dovecot pod is only binding on >> IPv4 and has no IPv6 configured. This is kind of a hack, however you >> could try binding the pod to both IPv4 and IPv6 and see if it works. >> >> >> Best, >> >> Justas Umbrasas >> >> >> On 2023-10-12 20:25, Arnaud Cordier via dovecot wrote: >> >>> Dear all, >>> >>> I am running Dovecot 2.3.20 in a Kubernetes cluster. The Dovecot >>> container is exposed behind a Traefik load-balancer, which acts just >>> like HAProxy would, using the Proxy Protocol in order to allow >>> Dovecot to be aware of the real source IP of the client, as follows: >>> >>> Internet <-> Traefik load-balancer <---- Proxy protocol ----> Dovecot >>> >>> My setup works well over IPv4. >>> >>> Oct 12 19:11:33 imap-login: Info: Login: user=<arnaud@xxx>, >>> method=PLAIN, rip=<my_ipv4_public_address> lip=10.42.4.21, >>> mpid=1369531, session=<xxxx> >>> >>> Howevever, if the client originates from an IPv6 address, Dovecot >>> does not seem to take the real IPv6 origin into account and fails. >>> >>> Oct 12 19:09:04 imap-login: Error: haproxy(v1): Client disconnected: >>> Proxied local address is invalid (address=`10.42.4.21', rip=10.42.4.21) >>> >>> A network capture shows that the proxy protocol indeed sends the >>> real IPv6 IP, that should be taken into account by dovecot: >>> >>> ......&.PROXY TCP6 2001:<rest_of_my_public_ip> 10.42.4.21 20200 993 >>> >>> The error seems to be raised in >>> "core/src/lib-master/master-service-haproxy.c" line 553: >>> >>> 551 if (net_addr2ip(*fields, &local_ip) < 0 || >>> 552 local_ip.family != family) { >>> 553 e_error(hpconn->event, "Client disconnected: " >>> 554 "Proxied local address >>> is invalid " >>> 555 "(address=`%s', >>> rip=%s)", str_sanitize(*fields, 64), >>> 556 net_ip2addr(real_remote_ip)); >>> 557 return -1; >>> 558 } >>> 559 fields++; >>> >>> I suppose that the issue is related to the fact that the client >>> originates from an IPv6 then the reverse proxy forwards the >>> connection to Dovecot over IPv4, which results in the >>> "local_ip.family != family" condition to be true. >>> >>> Why is such a restriction implemented ? >>> >>> It is to be noted that I implemented the exact same load-balancer >>> architecture for postfix, which successfully handles an IPv6 real IP >>> over an IPv4 connection. >>> >>> I temporarily fixed the issue by setting an IPv4 only DNS record for >>> my imaps domain name, however, do you think that a fix could be >>> implemented in Dovecot? >>> >>> Kind regards, >>> >>> _______________________________________________ >>> dovecot mailing list -- dovecot(a)dovecot.org >>> To unsubscribe send an email to dovecot-leave(a)dovecot.org >> >> On 10/13/23 06:55, Arnaud Cordier wrote: Hi Justas, Thank you for your answer. Unfortunately, I already have a dual stack cluster with an IPv6 assigned to the pod: 3: eth0@if22: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1430 qdisc noqueue state UP qlen 1000 link/ether c6:90:d2:cf:b8:77 brd ff:ff:ff:ff:ff:ff inet 10.42.4.52/32 scope global eth0 valid_lft forever preferred_lft forever inet6 fd23:23:42:0:251d:192a:bb7f:a1f4/128 scope global valid_lft forever preferred_lft forever inet6 fe80::c490:d2ff:fecf:b877/64 scope link valid_lft forever preferred_lft forever Any additional idea? --- Arnaud Cordier --------------- CryptID Freelance cybersecurity engineer - Pentester - Red teamer Tel: +33 (0)6 61 44 82 04 On 10/12/23 22:54, Justas Umbrasas wrote: Hey, we are running a similar setup without an issue (not on k8s). I believe the reason is that the remote dovecot pod is only binding on IPv4 and has no IPv6 configured. This is kind of a hack, however you could try binding the pod to both IPv4 and IPv6 and see if it works. Best, Justas Umbrasas On 2023-10-12 20:25, Arnaud Cordier via dovecot wrote: Dear all, I am running Dovecot 2.3.20 in a Kubernetes cluster. The Dovecot container is exposed behind a Traefik load-balancer, which acts just like HAProxy would, using the Proxy Protocol in order to allow Dovecot to be aware of the real source IP of the client, as follows: Internet <-> Traefik load-balancer <---- Proxy protocol ----> Dovecot My setup works well over IPv4. Oct 12 19:11:33 imap-login: Info: Login: user=<arnaud@xxx>, method=PLAIN, rip=<my_ipv4_public_address> lip=10.42.4.21, mpid=1369531, session=<xxxx> Howevever, if the client originates from an IPv6 address, Dovecot does not seem to take the real IPv6 origin into account and fails. Oct 12 19:09:04 imap-login: Error: haproxy(v1): Client disconnected: Proxied local address is invalid (address=`10.42.4.21', rip=10.42.4.21) A network capture shows that the proxy protocol indeed sends the real IPv6 IP, that should be taken into account by dovecot: ......&.PROXY TCP6 2001:<rest_of_my_public_ip> 10.42.4.21 20200 993 The error seems to be raised in "core/src/lib-master/master-service- haproxy.c" line 553: 551 if (net_addr2ip(*fields, &local_ip) < 0 || 552 local_ip.family != family) { 553 e_error(hpconn->event, "Client disconnected: " 554 "Proxied local address is invalid " 555 "(address=`%s', rip=%s)", str_sanitize(*fields, 64), 556 net_ip2addr(real_remote_ip)); 557 return -1; 558 } 559 fields++; I suppose that the issue is related to the fact that the client originates from an IPv6 then the reverse proxy forwards the connection to Dovecot over IPv4, which results in the "local_ip.family != family" condition to be true. Why is such a restriction implemented ? It is to be noted that I implemented the exact same load-balancer architecture for postfix, which successfully handles an IPv6 real IP over an IPv4 connection. I temporarily fixed the issue by setting an IPv4 only DNS record for my imaps domain name, however, do you think that a fix could be implemented in Dovecot? Kind regards, _______________________________________________ dovecot mailing list -- dovecot(a)dovecot.org To unsubscribe send an email to dovecot-leave(a)dovecot.org

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submission server relay to localhost
by Michael Grant 20 Oct '23

20 Oct '23

I'm trying to set up dovecot-submission server which will listen on external ports 465 (SSL) and 587 (StartTLS) and relay mail to sendmail waiting on localhost port 587. I have dovecot submission listening on the external ports and sendmail listening on the localhost port. I want dovecot-submission doing the authentication on the external ports because sendmail doesn't use the /etc/dovecot/users file. I can authenticate to dovecot: auth: Debug: client in: CONT<hidden> auth: Debug: passwd-file(mgrant(a)top.networkguild.org,217.35.29.56,<blablabla>): Performing passdb lookup auth: Debug: passwd-file(mgrant(a)top.networkguild.org,217.35.29.56,<blablabla>): lookup: user=mgrant(a)top.networkguild.org file=/etc/dovecot/users auth: Debug: passwd-file(mgrant(a)top.networkguild.org,217.35.29.56,<blablabla>): Finished passdb lookup auth: Debug: auth(mgrant(a)top.networkguild.org,217.35.29.56,<blablabla>): Auth request finished auth: Debug: client passdb out: OK 1 user=mgrant(a)top.networkguild.org But in the sendmail logs, dovecot *is* trying to authenticate and it's trying to use a username that sendmail can't look up in the password file: top sm-mta[1012721]: 39KCg8h31012721: --- 220 top.networkguild.org ESMTP Sendmail 8.17.2/8.17.2/Debian-1~bpo12+1; Fri, 20 Oct 2023 12:42:08 GMT; (No UCE/UBE) logging access from: localhost(OK)-localhost [IPv6:0:0:0:0:0:0:0:1] top sm-mta[1012721]: 39KCg8h31012721: <-- EHLO top.networkguild.org top sm-mta[1012721]: 39KCg8h31012721: --- 250-top.networkguild.org Hello localhost [IPv6:0:0:0:0:0:0:0:1], pleased to meet you top sm-mta[1012721]: 39KCg8h31012721: --- 250-ENHANCEDSTATUSCODES top sm-mta[1012721]: 39KCg8h31012721: --- 250-PIPELINING top sm-mta[1012721]: 39KCg8h31012721: --- 250-EXPN top sm-mta[1012721]: 39KCg8h31012721: --- 250-VERB top sm-mta[1012721]: 39KCg8h31012721: --- 250-8BITMIME top sm-mta[1012721]: 39KCg8h31012721: --- 250-SIZE top sm-mta[1012721]: 39KCg8h31012721: --- 250-AUTH DIGEST-MD5 CRAM-MD5 top sm-mta[1012721]: 39KCg8h31012721: --- 250-STARTTLS top sm-mta[1012721]: 39KCg8h31012721: --- 250-DELIVERBY top sm-mta[1012721]: 39KCg8h31012721: --- 250 HELP top sm-mta[1012721]: 39KCg8h31012721: <-- MAIL FROM:<mgrant(a)top.networkguild.org> AUTH=mgrant(a)top.networkguild.org top sm-mta[1012721]: 39KCg8h31012721: --- 530 5.7.0 Authentication required top dovecot: submission(mgrant(a)top.networkguild.org)<1012719><blablabla>: Error: Relay server requires authentication: 530 5.7.0 Authentication required top dovecot: submission(mgrant(a)top.networkguild.org)<1012719><blablabla>: Disconnected: Internal error occurred. Refer to server log for more information. (unfinished MAIL command) (state=MAIL FROM) in=41 out=121 top sm-mta[1012721]: 39KCg8h31012721: <-- QUIT How do I stop dovecot from proposing AUTH to the relay server? Once I am authenticated via dovecot, the relay which is only available on localhost, doesn't need to authenticate. It should be as if bin-mail is submitting to localhost. I tried setting up a user with a password but no shell and configure this into submission_relay_master_user and submission_relay_password but this leads to other problems. Dovecot wants to do PLAIN auth, so I then enable starttls, but then the ssl certificate doesn't match because I'm connecting to localhost, not top.networkguild.org. So it seems clear, the relay should a) not auth, and b) not do ssl. Note that this is not an open relay, it's only open on the loopback interface. Michael Grant

1 1

Extract body preview in lua notify script
by Filip Hanes 20 Oct '23

20 Oct '23

Hi, I am trying to extract short text preview from mail body in function dovecot_lua_notify_end_txn. I want to send notification about new email with perex included. How can it be done? Is it possible? thanks -- Filip Hanes

2 1

Replicator service in Dovecot 2.4 CE
by k v 18 Oct '23

18 Oct '23

On the documentation page for the upgrade to version 2.4 at https://doc.dovecot.org/3.0/installation_guide/upgrading/from-2.3-to-3.0/, it is mentioned that instead of the 'replicator' service (https://doc.dovecot.org/configuration_manual/replication/#replication-with-…) it is necessary to use an NFS cluster file system. Are you completely removing support for 'replication-with-dsync' starting from version 2.4? Are there any plans for built-in tools to implement an active/active or active/passive cluster in the community edition?

2 1

Debian package for bookworm
by Claudio Corvino 14 Oct '23

14 Oct '23

Hi guys, I updated to Debian 12 but I can't find repo for bookworm on https://repo.dovecot.org/. When it will be released? Thanks! -- Claudio

8 10

Dovecot behind Reverse Proxy and IP families
by Arnaud Cordier 12 Oct '23

12 Oct '23

Dear all, I am running Dovecot 2.3.20 in a Kubernetes cluster. The Dovecot container is exposed behind a Traefik load-balancer, which acts just like HAProxy would, using the Proxy Protocol in order to allow Dovecot to be aware of the real source IP of the client, as follows: Internet <-> Traefik load-balancer <---- Proxy protocol ----> Dovecot My setup works well over IPv4. Oct 12 19:11:33 imap-login: Info: Login: user=<arnaud@xxx>, method=PLAIN, rip=<my_ipv4_public_address> lip=10.42.4.21, mpid=1369531, session=<xxxx> Howevever, if the client originates from an IPv6 address, Dovecot does not seem to take the real IPv6 origin into account and fails. Oct 12 19:09:04 imap-login: Error: haproxy(v1): Client disconnected: Proxied local address is invalid (address=`10.42.4.21', rip=10.42.4.21) A network capture shows that the proxy protocol indeed sends the real IPv6 IP, that should be taken into account by dovecot: ......&.PROXY TCP6 2001:<rest_of_my_public_ip> 10.42.4.21 20200 993 The error seems to be raised in "core/src/lib-master/master-service-haproxy.c" line 553: 551 if (net_addr2ip(*fields, &local_ip) < 0 || 552 local_ip.family != family) { 553 e_error(hpconn->event, "Client disconnected: " 554 "Proxied local address is invalid " 555 "(address=`%s', rip=%s)", str_sanitize(*fields, 64), 556 net_ip2addr(real_remote_ip)); 557 return -1; 558 } 559 fields++; I suppose that the issue is related to the fact that the client originates from an IPv6 then the reverse proxy forwards the connection to Dovecot over IPv4, which results in the "local_ip.family != family" condition to be true. Why is such a restriction implemented ? It is to be noted that I implemented the exact same load-balancer architecture for postfix, which successfully handles an IPv6 real IP over an IPv4 connection. I temporarily fixed the issue by setting an IPv4 only DNS record for my imaps domain name, however, do you think that a fix could be implemented in Dovecot? Kind regards, -- --- Arnaud Cordier --------------- CryptID Freelance cybersecurity engineer - Pentester - Red teamer Tel: +33 (0)6 61 44 82 04

1 0

Create autoreply with http api
by cyril.leclerc＠mantiq.com 12 Oct '23

12 Oct '23

Hi, Is it possible to activate autoreply from http api : https://doc.dovecot.org/admin_manual/doveadm_http_api/ on mailbox ? because on evolution client we could not activate out of office, autoreply, with http api and sieve commands, is it possible to achieve it fron our web application ? thank you

1 0

doveadm(user): Error purging namespace
by Taavi Ansper 10 Oct '23

10 Oct '23

Hi I have an issue with doveadm: doveadm(user): Warning: mdbox /home/user/mdbox/storage: Inconsistency in map index (227,40 != 227,56) doveadm(user): Warning: fscking index file /home/user/mdbox/storage/dovecot.map.index doveadm(user): Warning: mdbox /home/user/mdbox/storage: rebuilding indexes doveadm(user): Error: Purging namespace '' failed: BUG: Unknown internal error Why does this happen and how can it be resolved? User is using thunderbird as the mail client. -- Taavi Ansper taavi.ansper(a)cyber.ee

2 1

spool move/rename question
by Dave McGuire 09 Oct '23

09 Oct '23

Hi folks. Our mail server's spools are structured like this: /var/mail/<domain>/<user> We have an existing user with a lot of mail that we need to move from one domain to another. Our mail system is database-backed so changing the account is trivial, but can I just move the <user> directory from the structure above from one <domain> directory to another and expect everything to be ok? Or is there a better approach? (of course I'll do a backup first) Thanks, -Dave -- Dave McGuire, AK4HZ New Kensington, PA

2 3

qp and Invalid quoted-printable input trailer: '=' not followed by two hex digits
by Arkadiusz Miśkiewicz 09 Oct '23

09 Oct '23

I have a mail (attached) for which dovecot reports: imap(test): pid=<32688> session=<UOVJ/0UHlM3B7y+g>, Error: Mailbox INBOX.test: UID=1: read(<binary stream of mailbox INBOX.test UID 1>) failed: read(/var/mail/test/.test/cur/1695887652.M710714P17846.mbox13:2,RS) failed: Invalid quoted-printable input trailer: '=' not followed by two hex digits and I fail to see why. There is = used at the end of lines as soft-line break. Also if you delete "przez system Spa=" it works. If you lave it and delete "<br>=" line it also works. Doesn't seem to be consistent. Is dovecot too restrictive here? dovecot 2.3.20 and 2.3.21 -- Arkadiusz Miśkiewicz, arekm / ( maven.pl | pld-linux.org )

1 0

bug report: lmtp fails on root-squashed NFS filesystem
by Anne Bennett 09 Oct '23

09 Oct '23

Hi, all. I'm trying to set up Postfix with dovecot LTMP delivery on a host where the user files (/var/spool/mail as well as home directories) are on NFS filesystems, which are exported root-squashed to the mail server. I definitely don't want to give the mail server root permissions on the user files. LMTP delivery fails with this logged message (e.g.): Nov 16 17:51:36 lust dovecot: lmtp(anne)<16830><mkkzEPg1lGG+QQAAs/mAJw>: msgid=<202111162229.1AGMTfAO024765(a)vindemiatrix.encs.concordia.ca>: save failed to INBOX: Read-only mbox I found this posting where someone else had a similar problem and traced it in some detail back in 2019: https://dovecot.org/list/dovecot/2019-February/114611.html but apparently no one answered the fellow. In order to check that this is indeed the same problem, I temporarily changed the INBOX definition to make it write into /var/tmp/ (on a local filesystem), and delivery worked. I then temporarily changed the INBOX definition to make it write into an NFS filesystem with root NOT squashed, and again it worked (after I chmodded the directory to 1777 to allow any user to create a file). I believe that the person who wrote the above posting is correct: at some point, file access is (incorrectly) checked as root instead of as the target user. This is a bit of a showstopper for me. Any plans to address this? I attach the output of "dovecot -n", fwiw, but I don't think that this is a configuration problem... Anne. -- Ms. Anne Bennett, Senior Sysadmin, ENCS, Concordia University, Montreal H3G 1M8 anne(a)encs.concordia.ca +1 514 848-2424 x2285

2 4

Dovecot services not starting
by Jose David Bravo A 08 Oct '23

08 Oct '23

Hi, I'm running dovecot 2.3.16 on Ubuntu 22.04.2. But when I start dovecot, I can only see that the services are failing to start. It don't show any additional error about why it's failing, may be because the log service is not running? Oct 06 15:19:00 master: Error: service(log): command startup failed, throttling for 2.000 secs Oct 06 15:19:45 master: Error: service(imap-login): command startup failed, throttling for 2.000 secs Oct 06 15:19:53 master: Error: service(pop3-login): command startup failed, throttling for 2.000 secs Oct 06 15:21:45 master: Error: service(imap-login): command startup failed, throttling for 4.000 secs Oct 06 15:21:53 master: Error: service(pop3-login): command startup failed, throttling for 4.000 secs Oct 06 15:23:45 master: Error: service(imap-login): command startup failed, throttling for 8.000 secs Oct 06 15:23:53 master: Error: service(pop3-login): command startup failed, throttling for 8.000 secs Oct 06 15:25:45 master: Error: service(imap-login): command startup failed, throttling for 16.000 secs Oct 06 15:25:53 master: Error: service(pop3-login): command startup failed, throttling for 16.000 secs Oct 06 15:27:45 master: Error: service(imap-login): command startup failed, throttling for 32.000 secs Oct 06 15:27:53 master: Error: service(pop3-login): command startup failed, throttling for 32.000 secs Oct 06 15:28:23 master: Error: service(stats): command startup failed, throttling for 2.000 secs Oct 06 15:28:25 master: Error: service(stats): command startup failed, throttling for 4.000 secs Oct 06 15:29:44 master: Error: service(imap-login): command startup failed, throttling for 60.000 secs Oct 06 15:29:53 master: Error: service(pop3-login): command startup failed, throttling for 60.000 secs Is there any option that I can run those services manually so I can see what's going on and why those are not stating? or any other option to debug it? This is my current config: # 2.3.16 (7e2e900c1a): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.16 (09c29328) # OS: Linux 5.14.0-284.11.1.el9_2.x86_64 x86_64 Ubuntu 22.04.2 LTS # Hostname: xxxxxx auth_debug = yes auth_debug_passwords = yes auth_master_user_separator = * auth_mechanisms = PLAIN LOGIN auth_verbose = yes base_dir = /var/run/dovecot default_client_limit = 4096 default_process_limit = 500 default_vsz_limit = 640 B deliver_log_format = from=%{from}, envelope_sender=%{from_envelope}, subject=%{subject}, msgid=%m, size=%{size}, delivery_time=%{delivery_time}ms, %$ dict { acl = mysql:/etc/dovecot/dovecot-share-folder.conf lastlogin = mysql:/etc/dovecot/dovecot-last-login.conf quotadict = mysql:/etc/dovecot/dovecot-used-quota.conf } first_valid_uid = 2000 imap_hibernate_timeout = 30 secs imap_max_line_length = 2 M last_valid_uid = 2000 listen = * login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c %k mail_attribute_dict = file:%Lh/dovecot-attributes mail_debug = yes mail_gid = 2000 mail_location = maildir:%Lh/Maildir/:INDEX=%Lh/Maildir/ mail_plugins = acl mail_log mailbox_alias notify quota mail_uid = 2000 mailbox_list_index_very_dirty_syncs = yes managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext imapsieve vnd.dovecot.imapsieve namespace { inbox = yes location = mailbox Archive { auto = no special_use = \Archive } mailbox Archives { auto = no special_use = \Archive } mailbox "Deleted Messages" { auto = no autoexpunge = 60 days special_use = \Trash } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe autoexpunge = 60 days special_use = \Junk } mailbox "Junk E-mail" { auto = no autoexpunge = 60 days special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Items" { auto = no special_use = \Sent } mailbox "Sent Messages" { auto = no special_use = \Sent } mailbox Spam { auto = no autoexpunge = 60 days special_use = \Junk } mailbox Trash { auto = subscribe autoexpunge = 60 days special_use = \Trash } prefix = separator = / type = private } namespace { list = children location = maildir:%%Lh/Maildir/:INDEX=%%Lh/Maildir/Shared/%%Ld/%%Ln prefix = Shared/%%u/ separator = / subscriptions = yes type = shared } passdb { args = /etc/dovecot/dovecot-master-users driver = passwd-file master = yes } passdb { args = /opt/iredmail/custom/dovecot/master-users driver = passwd-file master = yes } passdb { args = /etc/dovecot/dovecot-mysql.conf driver = sql } plugin { acl = vfile acl_shared_dict = proxy::acl imapsieve_mailbox1_before = file:/opt/iredmail/bin/dovecot/sieve/report_spam.sieve imapsieve_mailbox1_causes = COPY APPEND imapsieve_mailbox1_name = Junk imapsieve_mailbox2_before = file:/opt/iredmail/bin/dovecot/sieve/report_ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Junk imapsieve_mailbox2_name = * imapsieve_url = sieve://127.0.0.1:4190 last_login_dict = proxy::lastlogin last_login_key = # hidden, use -P to show it mail_log_events = delete undelete expunge copy save mailbox_create mailbox_delete mailbox_rename mail_log_fields = uid box msgid size from subject flags mailbox_alias_new = Sent Messages mailbox_alias_new2 = Sent Items mailbox_alias_old = Sent mailbox_alias_old2 = Sent quota = dict:user::proxy::quotadict quota_grace = 50M quota_rule = *:storage=1G quota_status_nouser = DUNNO quota_status_overquota = 552 5.2.2 Mailbox is full quota_status_success = DUNNO quota_warning = storage=100%% quota-warning 100 %u quota_warning2 = storage=95%% quota-warning 95 %u quota_warning3 = storage=90%% quota-warning 90 %u quota_warning4 = storage=85%% quota-warning 85 %u sieve = ~/sieve/dovecot.sieve sieve_before = /var/vmail/sieve/dovecot.sieve sieve_dir = ~/sieve sieve_global_dir = /var/vmail/sieve sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment sieve_max_redirects = 30 sieve_pipe_bin_dir = /opt/iredmail/bin/dovecot/sieve sieve_plugins = sieve_imapsieve sieve_extprograms sieve_redirect_envelope_from = recipient sieve_vacation_send_from_recipient = yes } protocols = pop3 imap sieve lmtp service anvil { process_limit = 1 unix_listener anvil-auth-penalty { group = vmail mode = 0660 user = vmail } } service auth { client_limit = 4096 inet_listener { port = 12346 } process_limit = 1 unix_listener /var/spool/postfix/private/dovecot-auth { group = vmail mode = 0666 user = vmail } unix_listener auth-master { group = vmail mode = 0666 user = vmail } unix_listener auth-userdb { group = vmail mode = 0660 user = vmail } } service dict { unix_listener dict { group = vmail mode = 0660 user = vmail } } service imap-hibernate { unix_listener imap-hibernate { group = vmail user = vmail } } service imap-login { client_limit = 0 inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } process_limit = 0 service_count = 0 } service imap { process_limit = 4096 unix_listener imap-master { group = vmail mode = 0666 user = vmail } } service lmtp { executable = lmtp -L inet_listener lmtp { port = 24 } process_min_avail = 5 user = vmail } service managesieve-login { inet_listener sieve { port = 4190 } } service pop3-login { client_limit = 0 inet_listener pop3 { port = 110 } inet_listener pop3s { port = 995 ssl = yes } process_limit = 0 service_count = 0 } service pop3 { process_limit = 4096 } service quota-status { client_limit = 1000 executable = quota-status -p postfix inet_listener { port = 12340 } } service quota-warning { executable = script /opt/iredmail/bin/dovecot/quota_warning.sh unix_listener quota-warning { group = vmail mode = 0660 user = vmail } } service stats { inet_listener stats { address = 0.0.0.0 port = 24242 } unix_listener stats-writer { group = vmail mode = 0660 user = vmail } } ssl = required ssl_cert = </opt/iredmail/ssl/cert.pem ssl_cipher_list = EECDH+CHACHA20:EECDH+AESGCM:EDH+AESGCM:AES256+EECDH ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes syslog_facility = local5 userdb { args = /etc/dovecot/dovecot-mysql.conf driver = sql } protocol imap { imap_client_workarounds = tb-extra-mailbox-sep imap_metadata = yes mail_max_userip_connections = 30 mail_plugins = acl mail_log mailbox_alias notify quota imap_quota imap_acl imap_sieve last_login zlib } protocol pop3 { mail_max_userip_connections = 30 mail_plugins = acl mail_log mailbox_alias notify quota last_login zlib pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %08Xu%08Xv } protocol lda { lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes mail_plugins = acl mail_log mailbox_alias notify quota sieve last_login } protocol lmtp { lmtp_save_to_detail_mailbox = yes mail_plugins = acl mail_log mailbox_alias notify quota sieve last_login recipient_delimiter = + } Thank you! [ http://www.colombiahosting.com/ ] Jose Bravo

4 4

sieve processing - enable/disable per user?
by Arkadiusz Miśkiewicz 07 Oct '23

07 Oct '23

Hi. I keep users in database and would like to enable/disable sieve for them per user. What's the approach for that? I'm looking at the sieve options and user_query setting but don't see anything that would make this possible. -- Arkadiusz Miśkiewicz, arekm / ( maven.pl | pld-linux.org )

3 5

Shared mailboxes and indexes
by Francis Augusto Medeiros-Logeay 06 Oct '23

06 Oct '23

Hi, I googled a bit to see if I understand it, but no, I haven’t got anything that explains this: What’s exactly the difference between INDEX and INDEXPVT for shared mailboxes? Why are they pointing to the same folder on Dovecot example (https://doc.dovecot.org/configuration_manual/shared_mailboxes/shared_mailbo… Best, Francis

1 0

Pay Someone to Take My Online Course?1
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06 Oct '23

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5 5

Is XOAUTH2 support broken in 2.3.21?
by Christian Rößner 05 Oct '23

05 Oct '23

Hi, I use Roundcube with OIDC. Everything works fine in Dovecot 2.3.20, but broke in 2.3.21. Downgrading to 2.3.20 makes it work again, so it is introduced in the newer release. Error (2.3.21): ``` Oct 4 11:03:57 mx dovecot[558531]: imap-login: Disconnected: Connection closed (client didn't finish SASL auth, waited 1 secs): user=<christian(a)roessner.email>, orig_user=<christian(a)roessner.email>, method=XOAUTH2, rip=192.168.0.4, lip=192.168.0.2, TLS, TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) ``` Here is an example with 2.3.20: Success (2.3.20): ``` Oct 4 11:17:21 mx dovecot[889914]: imap-login: Login: user=<christian(a)roessner.email>, orig_user=<christian(a)roessner.email>, method=XOAUTH2, rip=192.168.0.4, lip=192.168.0.2, mpid=891874, TLS, TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) ``` Kind regards Christian Rößner -- Rößner-Network-Solutions Zertifizierter ITSiBe / CISO Karl-Bröger-Str. 10, 36304 Alsfeld Fax: +49 6631 78823409, Mobil: +49 171 9905345 USt-IdNr.: DE225643613, https://roessner.website PGP fingerprint: 658D 1342 B762 F484 2DDF 1E88 38A5 4346 D727 94E5

3 12

Re: How to reduce the number of UNIX sockets?
by Joseph Tam 05 Oct '23

05 Oct '23

From: Steve Litt <slitt(a)troubleshooters.com> > Recently I've been getting the dreaded X error "Maximum number of > clients exceeded", so I performed an lsof -U to find who was using > UNIX sockets. This uncovered a buggy looping program I wrote using up > gobs of UNIX sockets, along with some browsers, dbus-daemon, electron > (used by vscode), smbd, and Dovecot, which uses 36 UNIX sockets. Only 36? The number of sockets seems to scale proportionally with the number of users. The login process of my service easily consumes several hundred sockets and could on occasions run into the thousands. (See also my previous posts on socket starvation.) Each client connection will consume a few sockets -- it uses maybe a few more than some applications do as they separate privileged daemons from worker daemons, and pass data around via sockets, but socket use if within reason. > I can kill dbus-daemon and the buggy program I wrote, minimize use of > browsers, disable smbd except when I (rarely) need it, but can you > think of things I can do to reduce the number of UNIX sockets used by > Dovecot on my machine? You can limit the number of clients per IP (e.g. mail_max_userip_connections) to lower the number of concurrent mailboxes that are open. Or use the idle process facility to park inactive connections (not sure if that frees sockets). Or cap the number of clients (process_limit, service_count, etc.), but if you're bumping up against those limits, you've either underprovisioned your service or you have something misconfigured. (Again, see my previous post on service_limit.) Maybe you need to *increase* those limits if you're hitting some client limit in regular use. From what you describe, you resolved the cause of your socket starvation whose cause was not dovecot. I'm not sure what you hope to gain by saving a few sockets that dovecot uses just to make headroom for a buggy script. Joseph Tam <jtam.home(a)gmail.com>

1 0

How to reduce the number of UNIX sockets?
by Steve Litt 04 Oct '23

04 Oct '23

Hi all, I'm using Dovecot version 2.3.21 on an up to date Void Linux on a 6 core 12 thread Ryzen with 48GB RAM, 1TB NVMe, and 12TB of 7200 RPM spinning rust hard drives. Recently I've been getting the dreaded X error "Maximum number of clients exceeded", so I performed an lsof -U to find who was using UNIX sockets. This uncovered a buggy looping program I wrote using up gobs of UNIX sockets, along with some browsers, dbus-daemon, electron (used by vscode), smbd, and Dovecot, which uses 36 UNIX sockets. I can kill dbus-daemon and the buggy program I wrote, minimize use of browsers, disable smbd except when I (rarely) need it, but can you think of things I can do to reduce the number of UNIX sockets used by Dovecot on my machine? Thanks, SteveT Steve Litt Autumn 2023 featured book: Rapid Learning for the 21st Century http://www.troubleshooters.com/rl21

1 0

Plugin to cleanup/remove unused user defined keywords(IMAP PERMANENTFLAGS) possible ?
by sergey＠srgdev.com 03 Oct '23

03 Oct '23

I found a reference to a similar issues here: https://www.dovecot.org/list/dovecot/2010-March/047925.html I know IMAP rfc say nothing about removing the keywords/PERMANENTFLAGS (they can only be added https://www.rfc-editor.org/rfc/rfc3501.html#page-64) , therefore I wonder if it is possible to create a Dovecot plugin to accomplish this task ? Technically it is possible to do now via the following steps: 1. Ensure the "unwanted" user defined keyword/flag is remove from all messages in a folder (Folder A) 2. Create a temporary folder (Folder A_temp) 3. Move all messages from Folder A -> Folder A_temp 4. Delete Folder A 5. Rename Folder A_temp -> Folder A As you can see this highly inefficient and awkward and even if the unwanted keyword does NOT appear in Folder A anymore , it still can be found in '~/Maildir/dovecot-keywords' file Alternatively, if it is hard to create a plugin that would remove the keyword for good, would something like this be easier: 1. Define a list of "allowed" user defined keywords 1a. Perhaps this list can be defined via METADATA extension on per folder basis 2. Reject(or discard) "not allowed" keyword sent via the +FLAGS / +FLAGS.SILENT commands Any helpful plugin example or code references would be greatly appreciated. Thank you very much, Sergey Mosin

1 0

Dovecot List server
by Paul Enlund 03 Oct '23

03 Oct '23

Hi Is there a contact address for operation of this list server. I have some observations regarding ARC signing to share. Regards Paul

2 1

Ping
by Paul Enlund 03 Oct '23

03 Oct '23

just a test sorry for noise _______________________________________________ dovecot mailing list -- dovecot(a)dovecot.org To unsubscribe send an email to dovecot-leave(a)dovecot.org

1 0

Compression: all or nothing?
by Alex King 03 Oct '23

03 Oct '23

Using 2.3.13 (89f716dc2) (debian package), with mdbox storage. I considering adding the zlib plugin. I understand that reading mail can cope with either compressed or uncompressed mailboxes. I'm wondering if I can leave the main storage uncompressed, while having the alternate storage compressed. There does not seem to be a way to configure this, from https://doc.dovecot.org/settings/plugin/zlib-plugin/ it seems compression (on saving emails) is an all-or-nothing option? Can I leave zlib_save unset in my main configuration, and have doveadm use some alternate configuration with zlib_save set? It doesn't look hopeful because I don't see the ability to use a different config at https://wiki.dovecot.org/Tools/Doveadm/Altmove. Perhaps I would need multiple copies of the daemon running? Or is it better just to compress everything? I plan to store older mails (perhaps 3months+) in the alternative storage, and was thinking it would be nice to have those compressed, while I don't need to compress the main store. Any feedback welcome. Thanks, Alex

2 2

Ping
by Paul Enlund 02 Oct '23

02 Oct '23

just a test sorry for noise

1 0

Re: Changed separator, sub folders not showing new e-mail
by Francis Augusto Medeiros-Logeay 02 Oct '23

02 Oct '23

I found the answer here: https://apple.stackexchange.com/questions/441313/no-mailbox-doesnt-exist-se… Apparently on Mac one needs to update the separator on a file, since it doesn’t seem that the Mail.app does it for itself. On the iPhone it happened automatically. Best, Francis

1 0

Changed separator, sub folders not showing new e-mail
by Francis Augusto Medeiros-Logeay 02 Oct '23

02 Oct '23

Hi, I recently changed the mailbox separator from '.' to '/' so that I could have shared mailboxes working. However, while the mailboxes show fine on Roundcube and on other web-based e-mail clients, on the Mail.app on my Mac I don't get newer messages on those sub folders. For example, I have a subfolder Test. Mails filtered to be dropped there, show fine. But I have one called Lists, with a sub folder called "Dovecot". I can't read mails that are under "Lists/Dovecot". Can anyone help? Best, Francis -- Francis Augusto Medeiros-Logeay Oslo, Norway

1 0

Separators and shared namespaces
by Francis Augusto Medeiros-Logeay 28 Sep '23

28 Sep '23

Hi Martin, I had a similar problem: https://dovecot.org/mailman3/archives/list/dovecot@dovecot.org/thread/DNHM3… It seemed to me that using ‘.’ truncated the domain name when that was used in the paths, such as when using %d. Best, Francis

2 1

How to use http api doveadm to manage acl permissions
by cyril.leclerc＠mantiq.com 28 Sep '23

28 Sep '23

I started the http api on dovecot configuration but following the documentation available here : https://doc.dovecot.org/admin_manual/doveadm_http_api/ I dont see anything regarding the acl permissions ? do we have to use a specific command ? how to manage a user acl permissions ( change the content of dovecot-acl file ?

3 10

Re: Dovecot lda-dupes
by Francis Augusto Medeiros-Logeay 28 Sep '23

28 Sep '23

Hi, I have read elsewhere that the Maildir shouldn’t be at the home. But that’s how it worked for me since the start. I wonder if I could either change the location of these .dovecot.lda-dupes, or if I could change home without having to move the mailboxes of all the users. Today I have this: On my dovecot-sql.conf.ext: iterate_query = SELECT username AS user FROM mailbox user_query = SELECT CONCAT('/var/mail/vmail/',maildir) AS home, \ CONCAT('maildir:/var/mail/vmail/',maildir,':INDEX=/var/vmail-index/index/%d/%n:CONTROL=/var/vmail-index/control/%d/%n') AS mail, \ 5000 AS uid, 5000 AS gid, CONCAT('*:bytes=',quota) AS quota_rule \ FROM mailbox WHERE username = '%u' AND active = 1 password_query = SELECT username AS user,password FROM mailbox \ WHERE username = '%u' AND active=‘1' On my 10-mail.conf mail_location = maildir:/var/mail/vmail/%d/%n:INDEX=/var/vmail-index/index/%d/%n:CONTROL=/var/vmail-index/control/%d/%n If I add `Maildir` to the mail_location and to the mail user_query, will I have to move mailboxes, or the only thing I have to do is to add “Maildir” when I use %h/%%h? Best, Francis

1 0

Re: Dovecot lda-dupes
by Francis Augusto Medeiros-Logeay 28 Sep '23

28 Sep '23

Never mind, I found it. I had to add `replication_dsync_parameters`, with the default values, but with `-x shared` to exclude the namespace. Best, Francis

1 0

Dovecot lda-dupes
by Francis Augusto Medeiros-Logeay 27 Sep '23

27 Sep '23

Hi, Since I enabled shared mailboxes I'm having these errors: Sep 27 21:22:41 doveadm(francis(a)med-lo.eu): Error: Failed to access mailbox dovecot/lda-dupes: stat(/var/mail/vmail/med-lo.eu/francis/.dovecot.lda-dupes/tmp) failed: Not a directory And replication stopped. How can I fix this? Best, Francis

1 0

Separators and shared namespaces
by martin f krafft 27 Sep '23

27 Sep '23

Hello, I am running Dovcecot 2.3.19 on Debian, and I am trying to get shared to work. It's working if I do this: ``` namespace { type = shared separator = / prefix = Team/%%u/ location = maildir:%%h/Maildir:INDEX=%h/Maildir/Team/%%u:INDEXPVT=%h/Maildir/Team/%%u subscriptions = no list = children } ``` After setting some ACLs, I now have the following in `LIST` output: ``` … . LIST "" * * LIST (\HasNoChildren) "/" INBOX […] * LIST (\Noselect \HasChildren) "/" Team/rechnungseingang(a)example.org * LIST (\HasNoChildren) "/" "Team/rechnungseingang(a)example.org/Archiv bearbeitete Rechnungen" . OK List completed (0.003 + 0.000 + 0.007 secs). ``` However, since I am using Maildir, the default separator is `.`, and so I have to change the separator for the `inbox` namespace, which makes me feel uneasy. The system still uses `.dotted.notation` on the filesystem despite the namespace change, and subfolders and all still work, but it still rubs me the wrong way to do this. And yet, when I try to use `.` like this: ``` separator = . prefix = Team.%%u. location = maildir:%%h/Maildir:INDEX=%h/Maildir/.Team,%%u:INDEXPVT=%h/Maildir/.Team.%%u ``` then nothing shows up in `LIST` output. Any idea why this might be? Thanks, -- martin krafft | https://matrix.to/#/#madduck:madduck.net "den stil verbessern, das heißt den gedanken verbessern." - friedrich nietzsche {: .blockquote } spamtraps: madduck.bogus(a)madduck.net {: .hidden }

2 2

Re: Separators and shared namespaces
by Francis Augusto Medeiros-Logeay 27 Sep '23

27 Sep '23

Hi, When I used a ‘.’ as a separator, it seemed to truncate paths with the domain name, such as those with %%d. That happened only to shared namespaces. Best, Francis

1 0

Exclude shared mailboxes from replication
by Francis Augusto Medeiros-Logeay 27 Sep '23

27 Sep '23

Hi, I was wondering if it is possible to exclude shared mailboxes from replication. I have userb(a)mydomain.com sharing mailboxes to usera(a)mydomain.com. However, since both mailboxes already replicate to a backup server, I wonder if it is possible to exclude the replicated mailboxes from syncing. Best, Francis

1 0

is dovecot 2.3.20 compatible with YESCRYPT?
by Andrew Hoff 26 Sep '23

26 Sep '23

To Whom It May Concern, Fedora 38 uses YESCRYPT by default to create the passwords stored in "shadow". The prefix is "$y$". Ref: https://doc.dovecot.org/configuration_manual/authentication/password_scheme… The nearest supported password scheme is blowfish. Can dovecot 2.3.20 read passwords created with YESCRYPT? Regards, -- Andrew Hoff 6/10 Middle Road Maribyrnong 3032 Victoria Australia Tel: 0393185581 (unreachable outside of Australia) Mob: 0400966178 Email: andrew.hoff(a)bigpond.com

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Re: expunge & sh error
by Joseph Tam 26 Sep '23

26 Sep '23

From: "Данила Колесников" <d1kolesnikov(a)gmail.com> > I would like to expunge Inbox mailbox every 60 days > This mailbox is not in the config any I try to use "doveadm expunge". > But my sh configs doesn't works: Fatal: Invalid search date parameter: 60d > If I enter the contents of the config directly into the console - > everything works correctly > the same code in sh - ends with an error. This sounds like a shell parsing error rather than a dovecot bug. What is the exact command you are using? Are you trying to empty your INBOX every 60d, or rather, remove messages older than 60days? If the former, you can probably just delete the entire INBOX folder or mailbox via filesystem commands as an alternative. Joseph Tam <jtam.home(a)gmail.com>

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Re: All list=yes namespaces must use the same separator - don't they?
by Francis Augusto Medeiros-Logeay 25 Sep '23

25 Sep '23

It works everywhere now. I guess it just needed its sweet time.

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Re: All list=yes namespaces must use the same separator - don't they?
by Francis Augusto Medeiros-Logeay 25 Sep '23

25 Sep '23

I found what the problem was. It seems that using ‘.’ as a separator worked. But somehow folders and domain names with dots got messed up: maildir++: root=/var/mail/vmail/francisaugusto/francis, index=/var/mail/vmail/med-lo.eu/francis/shared/index/francis@francisaugusto, indexpvt=/var/mail/vmail/med-lo.eu/francis/shared/francis@francisaugusto, control=, inbox=/var/mail/vmail/francisaugusto/francis, alt= Sep 25 19:10:57 imap(francis(a)med-lo.eu)<58061><skunigB>: Debug: Namespace shared.francis@francisaugusto.: Creating storage despite: Root mail directory doesn't exist: /var/mail/vmail/francisaugusto/francis You see, my domain is francisaugusto.com <http://francisaugusto.com/>, but it got truncated. I changed the separator to ‘/‘ on the Inbox namespace and on the shared one, and voila, it worked. I can see my shared mailboxes everywhere. But on Apple Mail (both on the Mac and on the iPhone), the shared mailboxes show no message. Any clue why?

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Sieve vacation function sends auto-reply with generic From: Address
by Thomas Boroske 25 Sep '23

25 Sep '23

Good day to you all. I have a question regarding the dovecot sieve vacation function that I am unable to answer myself by reading the documentation. A while ago we moved our dovecot server to a newer system (and newer dovecot version 2.3.16 ). This worked mostly fine, except there is now an issue with the auto-reply emails send from sieve vacation scripts. While the sending of the auto reply generally works fine, the emails always appear to come from the "sysgroup(a)ida.ing.tu-bs.de" address rather than the original recipient of the message. This is bad since the recipient of the auto reply then has no idea who the person on vacation actually is (unless there is a name in the message body). The sieve scripts are managed by roundcube webmail, an example entry for a vacation rule looks like this: require ["vacation"]; # rule:[Vacation] if true { vacation :days 7 :subject "Nicht im Büro" :from "tbtest(a)ida.ing.tu-bs.de" "Ich bin nicht da!"; } This looks ok to me. The problem is that the "tbtest" address is not used in the generated reply, instead sysgroup(a)ida.ing.tu-bs.de is used as a from address for all recipients. Note that the sysgroup@ address appears nowhere in the dovecot config, but it does in /etc/postfix/sender-canonical like that: root(a)ida.ing.tu-bs.de sysgroup(a)ida.ing.tu-bs.de @ida.ing.tu-bs.de sysgroup(a)ida.ing.tu-bs.de @net.ida sysgroup(a)ida.ing.tu.bs.de The /etc/dovecot/conf.d/90-sieve.conf is mostly on default values, the remaining config settings are these: plugin { sieve = file:~/Maildir/sieve;active=~/Maildir/.dovecot.sieve sieve_extensions = +editheader #Send vacation auto responder with correct Address sieve_vacation_send_from_recipient = yes sieve_vacation_use_original_recipient = no } I have attached the output of "dovecot -n" below. Many thanks for any ideas on what could be the issue! Kind regards, Thomas -- Dipl. Inf. Thomas Boroske Institute of Computer and Network Engineering TU Braunschweig Hans-Sommer-Str. 66, D-38106 Braunschweig, Germany www.ida.ing.tu-bs.de

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All list=yes namespaces must use the same separator - don't they?
by Francis Augusto Medeiros-Logeay 25 Sep '23

25 Sep '23

Hi, I am trying to configure shared mailboxes, so I enabled the acl and the imap_acl plugins. But I got the "All list=yes namespaces must use the same separator" error when I added this: namespace { type = shared #separator = # Mailboxes are visible under "shared/user@domain/" # %%n, %%d and %%u are expanded to the destination user. prefix = shared/%%u/ # Mail location for other users' mailboxes. Note that %variables and ~/ # expands to the logged in user's data. %%n, %%d, %%u and %%h expand to the # destination user's data. location = maildir:/var/mail/vmail/%%d/%%n:INDEX=/var/mail/vmail-index/index/%%d/%%n:INDEXPVT=/var/mail/vmail-index/index/%%d/%%n # Use the default namespace for saving subscriptions. subscriptions = no # List the shared/ namespace only if there are visible shared mailboxes. list = children } I don't have any separator configured explicitly, and when I see the config, the value is empty. So I don't really know what is the problem here. Any hints? Best, Francis -- Francis Augusto Medeiros-Logeay Oslo, Norway

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expunge & sh error
by Данила Колесников 24 Sep '23

24 Sep '23

Hello! I would like to expunge Inbox mailbox every 60 days This mailbox is not in the config any I try to use "doveadm expunge". But my sh configs doesn't works: Fatal: Invalid search date parameter: 60d If I enter the contents of the config directly into the console - everything works correctly the same code in sh - ends with an error. It is bug or I do mistake? root@mail:~# doveconf -n # 2.3.16 (7e2e900c1a): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.16 (09c29328) # OS: Linux 5.15.0-84-generic x86_64 Ubuntu 22.04.2 LTS # Hostname: mail.onelec.ru auth_mechanisms = plain login auth_verbose = yes base_dir = /run/dovecot/ disable_plaintext_auth = no log_path = /var/log/dovecot.log login_greeting = Mail Delivery Agent mail_access_groups = mail mail_location = maildir:%h/mail/%d/%n mail_privileged_group = mail namespace { inbox = yes list = yes location = mailbox Archive { auto = subscribe autoexpunge = 30 days special_use = \Archive } mailbox "Deleted Messages" { auto = no autoexpunge = 1 weeks special_use = \Trash } mailbox Drafts { auto = subscribe autoexpunge = 1 weeks special_use = \Drafts } mailbox Junk { auto = no autoexpunge = 1 weeks special_use = \Junk } mailbox Sent { auto = subscribe autoexpunge = 90 days special_use = \Sent } mailbox "Sent Mail" { auto = no autoexpunge = 90 days special_use = \Sent } mailbox "Sent Messages" { auto = no autoexpunge = 90 days special_use = \Sent } mailbox Spam { auto = subscribe autoexpunge = 1 weeks special_use = \Junk } mailbox Trash { auto = subscribe autoexpunge = 1 weeks special_use = \Trash } prefix = separator = / type = private } passdb { args = scheme=MD5-CRYPT username_format=%n /etc/exim4/domains/%d/passwd driver = passwd-file } plugin { quota = maildir:User quota } protocols = imap pop3 service auth { extra_groups = mail unix_listener auth-client { group = mail mode = 0660 user = dovecot } user = dovecot } service stats { unix_listener stats-writer { group = mail mode = 0660 user = dovecot } } ssl_cert = </usr/local/hestia/ssl/certificate.crt ssl_cipher_list = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES256-SHA256 ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes userdb { args = username_format=%n /etc/exim4/domains/%d/passwd driver = passwd-file } protocol imap { mail_plugins = quota imap_quota } protocol pop3 { mail_plugins = quota } local_name mail.bearlion.ru { ssl_cert = </home/bearlion/conf/mail/bearlion.ru/ssl/bearlion.ru.pem ssl_key = # hidden, use -P to show it } local_name mail.onelec.ru { ssl_cert = </home/onelec/conf/mail/onelec.ru/ssl/onelec.ru.pem ssl_key = # hidden, use -P to show it } local_name mail.radiokey.ru { ssl_cert = </home/radiokey/conf/mail/radiokey.ru/ssl/radiokey.ru.pem ssl_key = # hidden, use -P to show it }

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possible doveadm expunge bug
by Noel Butler 24 Sep '23

24 Sep '23

In my boredom, I was cleaning up my own public mailbox, do I really need lists/newsletters/forums posts from the 90's .. I think not, but lets still keep 5 years and expunge the rest... or try to... but expunge doesnt want too... This error or lack of action, occurs on any mailbox, as an example doveadm expunge -u my@email mailbox Lists.FreeRadius SAVEDBEFORE $ now for $, pick your value 5 y/Y for years doesn't appear to exist, so converting it into 30 odd weeks, 30w or 30W did nothing, but rough convert it down to days 1800D appears to do something - showing a delay before returning to command line, but in reality it does nothing, 1800, 1500, 1200, nothing, only when I drop it to 1000D does it actually work, which is not suitable, since I'd like to keep 5 years worth. Running doveadm -Dv exp... shows no errors just usual debug output about the base modules, quota stuff, and opening mailbox message followed then by user session closed, nothing at all anywhere that points to an error for executing this task, I did deliberately break it by altering the mailbox name to test and it rightfully did report the error the mailbox doesn't exist. I thought it might be size related, freeradius one of the smaller lists having about 150k to nanog the biggest with over 400k message, but I have others, like monthly newsletters with over 20yrs worth, but only 250 to 300 messages in their mailboxes that also fail, so it can't be barfing out at the size. Aki, any ideas? Or have I have hit a ridiculously low 1000D hard coded limit? ...and I know some troll will comment, so let me say yes I know I can and will likely have to use nix's "find" to actually cull them, but if doveadm has an expunge option, it should do what it is asked of it :) # doveconf -a # 2.3.20 (80a5ac675d): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.20 (149edcf2) # OS: Linux 5.15.117 x86_64 Slackware 15.0 ext4 - Yes I know 2.3.21 was released 2 days ago, but I'm not seeing anything in changelog/NEWS that's related -- Regards, Noel Butler This Email, including attachments, may contain legally privileged information, therefore at all times remains confidential and subject to copyright protected under international law. You may not disseminate this message without the authors express written authority to do so. If you are not the intended recipient, please notify the sender then delete all copies of this message including attachments immediately. Confidentiality, copyright, and legal privilege are not waived or lost by reason of the mistaken delivery of this message.

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Dovecot OIDC question
by dovecot＠deeztek.net 23 Sep '23

23 Sep '23

Exploring the possible use of SSO using OIDC with Dovecot. Trying to understand the functionality of OIDC as it pertains to e-mail clients like Thunderbird, Outlook etc... My OIDC provider will authenticate a user by intercepting the connection attempt to the resource, present a login screen and after success it will redirect to the resource. When it comes to e-mail clients, how would that process work if at all? Thanks

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2.3.21 broke XOAUTH authentication against Keycloak
by tj＠interseclab.org 23 Sep '23

23 Sep '23

I have Roundcube and Dovecot2 setup to authenticate against Keycloak using the XOAUTH2 method, as follows: introspection_url = https://[...]/realms/[...]/protocol/openid-connect/token/introspect introspection_mode = post username_attribute = email client_id = [...] client_secret = [...] tls_ca_cert_file = /etc/ssl/certs/ca-certificates.crt Since upgrading to 2.3.21 XOAUTH2 fails to authenticate with: dovecot: auth: Error: oauth2([...],[...],<[...]>): oauth2 failed: Introspection failed: No username returned WARN [org.keycloak.events] (executor-thread-45) type=INTROSPECT_TOKEN_ERROR, realmId=[...], clientId=null, userId=null, ipAddress=[...], error=client_not_found WARN [org.keycloak.events] (executor-thread-45) type=INTROSPECT_TOKEN_ERROR, realmId=[...], clientId=null, userId=null, ipAddress=[...], error=invalid_request, detail='Authentication failed.' Downgrading to 2.3.20 fixes the issue. I believe this change is to blame: lib-oauth2: Dovecot would send client_id and client_secret as POST parameters to the introspection server. These need to be optionally in Basic auth instead. Is there anything I should change in my Keycloak/Dovecot config or is this a bug?

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Change location where .dovecot.lda-dupes* file/dir are created
by sahsanu 22 Sep '23

22 Sep '23

Hello, I'm using Dovecot 2.3.19.1 and Pigeonhole 0.5.19 on Debian 12.1 and I'm trying to use sieve extensions vacation and redirect but I'm having issues because of the creation of file /home/USER/.dovecot.lda-dupes and dir /home/USER/.dovecot.lda-dupes.locks The error in logs is pretty clear, lda doesn't have perms to create any of them because /home/USER/ is owned by root # namei -mo /home/user2/ f: /home/user2/ drwxr-xr-x root root / drwxr-xr-x root root home drwxr-xr-x root root user2 I'm using Hestia Control Panel and it chroot the users and that is the reason the user's home is owned by root. Mail users are virtual and the maildir home is /home/user2/mail/domain2.tld/postmaster (%h/mail/%d/%n) but the .dovecot.lda-dupes* file and dir are trying to use /home/user2/ instead of /home/user2/mail/domain2.tld/postmaster/ where they have perms and that should solve the issue. So, the question, is there any way to create .dovecot.lda-dupes* file/dir in virtual user's home %h/mail/%d/%n instead of user's home %h? or, is there any other solution/workaround where I don't need to change /home/USER/ owner/perms? If you want to check them, below are the logs and my dovecot conf. Appreciate your support. Best regards, sahsanu This is the sieve log using vacation extension: sieve: info: started log at 2023-09-21 13:17:06 +0200. error: msgid=<102288b1348f270d83363f71bb7bcc81(a)example.com>: vacation action: failed to check for duplicate vacation response: internal error occurred: refer to server log for more information. [2023-09-21 13:17:06]. This is the dovecot log using sieve vacation extension: Sep 21 13:17:06 lda(postmaster(a)domain2.tld)<2711250><SHdgDzImDGXSXikAElSLcQ>: Error: duplicate db: transaction: file_dotlock_open(/home/user2/.dovecot.lda-dupes) failed: Permission denied Sep 21 13:17:06 lda(postmaster(a)domain2.tld)<2711250><SHdgDzImDGXSXikAElSLcQ>: Error: duplicate db: transaction: Failed to lock /home/user2/.dovecot.lda-dupes.locks/duplicate.lock.ea887f77f1f61464f902ada5e7bfb022: mkdir_parents(/home/user2/.dovecot.lda-dupes.locks) failed: Permission denied This is the sieve log using redirect extension: sieve: info: started log at 2023-09-21 16:51:46 +0200. error: msgid=<8f1cdb9c-0997-4e32-a28f-65e5f3f8dca6.maildroid@localhost>: redirect action: failed to check for duplicate forward: internal error occurred: refer to server log for more information. [2023-09-21 16:51:46]. This is the dovecot log using sieve redirect extension: Sep 21 16:51:46 lda(postmaster(a)domain2.tld)<2785960><03j9DoJYDGWogioAElSLcQ>: Error: duplicate db: transaction: file_dotlock_open(/home/user2/.dovecot.lda-dupes) failed: Permission denied Sep 21 16:51:46 lda(postmaster(a)domain2.tld)<2785960><03j9DoJYDGWogioAElSLcQ>: Error: duplicate db: transaction: Failed to lock /home/user2/.dovecot.lda-dupes.locks/duplicate.lock.291440db1d5e4457ecf50cd02882634b: mkdir_parents(/home/user2/.dovecot.lda-dupes.locks) failed: Permission denied Dovecot conf: # 2.3.19.1 (9b53102964): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.19 (4eae2f79) # OS: Linux 6.1.0-12-amd64 x86_64 Debian 12.1 # Hostname: server.domain1.tld auth_mechanisms = plain login auth_verbose = yes base_dir = /run/dovecot/ log_path = /var/log/dovecot.log login_greeting = Mail Delivery Agent mail_access_groups = mail mail_attribute_dict = file:%h/mail/%d/%n/dovecot-attributes mail_location = maildir:%h/mail/%d/%n mail_privileged_group = mail 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 imapflags notify imapsieve vnd.dovecot.imapsieve namespace { inbox = yes list = yes location = mailbox Archive { auto = subscribe special_use = \Archive } mailbox "Deleted Messages" { auto = no special_use = \Trash } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = no special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Mail" { auto = no special_use = \Sent } mailbox "Sent Messages" { auto = no special_use = \Sent } mailbox Spam { auto = subscribe special_use = \Junk } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / type = private } passdb { args = scheme=MD5-CRYPT username_format=%n /etc/exim4/domains/%d/passwd driver = passwd-file } plugin { imapsieve_mailbox1_before = file:/var/mail/sieve/report_spam.sieve imapsieve_mailbox1_causes = COPY APPEND imapsieve_mailbox1_name = Spam imapsieve_mailbox2_before = file:/var/mail/sieve/report_ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Spam imapsieve_mailbox2_name = * imapsieve_url = sieve://127.0.0.1:4190 quota = maildir:User quota sieve = file:~/mail/%d/%n/sieve;active=~/mail/%d/%n/dovecot.sieve sieve_extensions = +notify +imapflags sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment sieve_pipe_bin_dir = /etc/dovecot/sieve sieve_plugins = sieve_imapsieve sieve_extprograms sieve_vacation_send_from_recipient = yes } protocols = imap sieve service auth { extra_groups = mail unix_listener auth-client { group = mail mode = 0660 user = dovecot } unix_listener auth-master { group = mail mode = 0660 user = dovecot } user = dovecot } service managesieve-login { inet_listener sieve { port = 4190 } } service stats { unix_listener stats-writer { group = mail mode = 0660 user = dovecot } } ssl_cert = </usr/local/hestia/ssl/certificate.crt ssl_cipher_list = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES256-SHA256 ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes userdb { args = username_format=%n /etc/exim4/domains/%d/passwd driver = passwd-file } protocol lda { auth_socket_path = /var/run/dovecot/auth-master mail_plugins = " quota sieve" } protocol imap { mail_plugins = quota imap_quota imap_sieve } protocol sieve { managesieve_implementation_string = Dovecot Pigeonhole managesieve_max_line_length = 64 k } protocol pop3 { mail_plugins = quota } local_name domain1.tld { ssl_cert = </home/user1/conf/mail/domain1.tld/ssl/domain1.tld.pem ssl_key = # hidden, use -P to show it } local_name mail.domain1.tld { ssl_cert = </home/user1/conf/mail/domain1.tld/ssl/domain1.tld.pem ssl_key = # hidden, use -P to show it } local_name domain2.tld { ssl_cert = </home/user2/conf/mail/domain2.tld/ssl/domain2.tld.pem ssl_key = # hidden, use -P to show it } local_name mail.domain2.tld { ssl_cert = </home/user2/conf/mail/domain2.tld/ssl/domain2.tld.pem ssl_key = # hidden, use -P to show it }

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