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Running 2.3.0~alpha0-1~auto+1045, basically as a proxy between MUA and Exchange (IMAP): Sep 7 16:10:32 mproxy dovecot: imap-login: Login: user=<holtgrem>, method=PLAIN, rip=172.16.128.8, lip=141.42.206.11, mpid=61031, TLS, session=<fp3JBZpYop+sEIAI> Sep 7 16:10:32 mproxy dovecot: imap(holtgrem)<fp3JBZpYop+sEIAI>: imapc(exchange-imap.charite.de:993): Connected to 10.32.37.100:993 (local 1...

I'm using the auto builds (2:2.2.24-1~auto+3) for Ubuntu/Debian. The recent upgrade to 2.2.24 cause the follwoing error to appear: I can log in to a mailbox via dovecot I can delete emails Upon expunge, dovecot crashes: Apr 29 11:05:30 mproxy dovecot: imap(hildeb): expunge: box=INBOX, uid=142514, msgid=, size=10086 Apr 29 11:05:30 mproxy dovecot: imap(hildeb): expunge: box=INBOX, uid=142519, msgid=, size=1232 Apr 29 11:05:30 mproxy dovecot: imap(hildeb): expunge: box=INBOX, uid=142520, msgid=, size=1232 Apr 29 11:05:30 mproxy dovecot: i...

* Ralf Hildebrandt <r at sys4.de>: > Mar 20 16:10:17 mproxy dovecot: master: Dovecot v2.2.devel (a39b5b2) starting up for imap > Mar 20 16:10:26 mproxy dovecot: auth: Error: imapc(exchange-imap.charite.de:993): Couldn't initialize SSL context: Can't verify remote server certs without trusted CAs (ssl_client_ca_* settings) > Mar 20 16:10:26 mpr...

...: imapc_port = 993 doesnt work: Connected to localhost. Escape character is '^]'. * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot (Ubuntu) ready. . LOGIN hildeb password . NO [UNAVAILABLE] Temporary authentication failure. [mproxy:2014-05-16 09:33:23] . LOGOUT * BYE Logging out . OK Logout completed. Connection closed by foreign host. Logs: May 16 11:33:04 mproxy dovecot: master: Dovecot v2.2.9 starting up (core dumps disabled) May 16 11:33:21 mproxy dovecot: auth: Error: imapc(exchange-imap.charite.de:143): Command '2...

Hi! I upgraded the 2.2 packages today (from 2:2.2.28-1~auto+5 to 2:2.2.28-1~auto+8) I now I'm getting an error: Mar 20 13:25:58 mproxy dovecot: auth: Error: imapc(email.charite.de:993): Couldn't initialize SSL context: Can't verify remote server certs without trusted CAs (ssl_client_ca_* settings) I checked, and alas, I had ssl_client_ca_dir = ssl_client_ca_file = So I set: ssl_client_ca_file = </etc/ssl/certs/ca-c...

* Aki Tuomi <aki.tuomi at dovecot.fi>: > Could you send us the gdb bt full backtrace for the core file? Currently I can't get it to create coredumps doveconf -n: # 2.2.devel (3f97702): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.devel (023f391) # OS: Linux 4.4.0-65-generic x86_64 Ubuntu 16.04.2 LTS auth_mechanisms = plain login default_vsz_limit = 1 G imapc_host =

...</etc/ssl/certs/ca-certificates.crt > > Leave the < out. It is misleading, I know, but it does say file. =) Makes no difference: # doveconf |fgrep ssl_client_ca ssl_client_ca_dir = ssl_client_ca_file = /etc/ssl/certs/ca-certificates.crt and with auto8 I still get: Mar 20 15:38:20 mproxy dovecot: auth: Error: imapc(exchange-imap.charite.de:993): Couldn't initialize SSL context: Can't verify remote server certs without trusted CAs (ssl_client_ca_* settings) Mar 20 15:38:20 mproxy dovecot: auth: Error: imapc(exchange-imap.charite.de:993): No SSL context Mar 20 15:38:20 mproxy...

We're proxying IMAP to an Exchange server. One of my colleagues is getting this when trying to save a message as "Draft" OR as "Sent items": Aug 25 13:45:41 mproxy dovecot: imap(froemmel): Error: imapc(exchange-imap.charite.de:993): Command '7 APPEND "Entw&APw-rfe" (\Draft) {232572}' timed out, disconnecting Aug 25 13:45:41 mproxy dovecot: imap(froemmel): Debug: imapc(exchange-imap.charite.de:993): Disconnected Aug 25 13:45:42 mproxy dov...

On 23.03.2017 11:59, Ralf Hildebrandt wrote: > * Ralf Hildebrandt <r at sys4.de>: > >> Mar 20 16:10:17 mproxy dovecot: master: Dovecot v2.2.devel (a39b5b2) starting up for imap >> Mar 20 16:10:26 mproxy dovecot: auth: Error: imapc(exchange-imap.charite.de:993): Couldn't initialize SSL context: Can't verify remote server certs without trusted CAs (ssl_client_ca_* settings) >> Mar 20 16:1...

>From the log: Jul 11 13:12:42 mproxy dovecot: imap-login: Login: user=<hildeb>, method=PLAIN, rip=141.42.206.36, lip=141.42.206.11, mpid=27254, TLS, session=<TGwoO1o3id+NKs4k> Jul 11 13:12:44 mproxy dovecot: imap(hildeb)<TGwoO1o3id+NKs4k>: Panic: file imap-client.c: line 854 (client_check_command_hangs): assertion fa...

We're encountering a crash when proxying to an Exchange server: Mar 30 10:40:47 mproxy dovecot: imap-login: Login: user=<xxxbxxx>, method=PLAIN, rip=10.39.76.71, lip=141.42.206.11, mpid=18556, TLS, session=<H98xGkAvfvMKJ0xH> Mar 30 10:40:49 mproxy dovecot: imap(xxxbxxx): Fatal: block_alloc(134217728): Out of memory Mar 30 10:40:49 mproxy dovecot: imap(xxxbxxx): Error: Raw...

...<dovecot at dovecot.org>: > * Aki Tuomi <aki.tuomi at dovecot.fi>: > > > Could you send us the gdb bt full backtrace for the core file? > > Currently I can't get it to create coredumps Got a coredump and backtrace: ============================= Mar 20 16:10:17 mproxy dovecot: master: Dovecot v2.2.devel (a39b5b2) starting up for imap Mar 20 16:10:26 mproxy dovecot: auth: Error: imapc(exchange-imap.charite.de:993): Couldn't initialize SSL context: Can't verify remote server certs without trusted CAs (ssl_client_ca_* settings) Mar 20 16:10:26 mproxy doveco...

...>> Leave the < out. It is misleading, I know, but it does say file. =) > Makes no difference: > > # doveconf |fgrep ssl_client_ca > ssl_client_ca_dir = > ssl_client_ca_file = /etc/ssl/certs/ca-certificates.crt > > and with auto8 I still get: > > Mar 20 15:38:20 mproxy dovecot: auth: Error: imapc(exchange-imap.charite.de:993): Couldn't initialize SSL context: Can't verify remote server certs without trusted CAs (ssl_client_ca_* settings) > Mar 20 15:38:20 mproxy dovecot: auth: Error: imapc(exchange-imap.charite.de:993): No SSL context > Mar 20 15:38...

We're using dovecot as a proxy between the user and an exchange server. All over a sudden we're getting: Aug 27 13:16:07 mproxy dovecot: imap(username): Fatal: master: service(imap): child 18376 killed with signal 6 (core dumps disabled) Aug 27 13:16:09 mproxy dovecot: imap(username): Error: imapc(email.charite.de:993): Command '12 UID FETCH 0 (BODY.PEEK[])' failed with BAD: 12 The specified message set is invalid....

After upgrading from 2.2.28-1~auto+45 to 2.2.29-1~auto+25 I'm gettings this: May 31 16:44:31 mproxy dovecot: auth: Fatal: passdb imap: Cannot verify certificate without ssl_ca_dir or ssl_ca_file setting May 31 16:44:31 mproxy dovecot: master: Error: service(auth): command startup failed, throttling for 8 secs May 31 16:44:31 mproxy dovecot: imap-login: Disconnected: Auth process broken (disconnec...

...t;Ralf.Hildebrandt at charite.de> wrote: > > > * Aki Tuomi <aki.tuomi at dovecot.fi>: > > > > > So I added > > > > ssl_ca_file = /etc/ssl/certs/ca-certificates.crt > > > > > > > > But alas: > > > > May 31 16:50:24 mproxy dovecot: config: Warning: Obsolete setting in /etc/dovecot/conf.d/10-ssl.conf:36: ssl_ca_file has been replaced by ssl_ca = <file > > > > > > > > Gnarf! As you can see I do HAVE ssl_ca in my doveconf -n output! > > > > > > > > ssl_ca = </etc/s...

...:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4 ssl_client_ca_file = /etc/ssl/certs/ca-certificates.crt ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it ssl_prefer_server_ciphers = yes userdb { driver = prefetch } verbose_proctitle = yes Error in my log: Dec 14 14:35:28 mproxy dovecot: imap(voxxxxea)<79275><dnC4tUxgZs3BrwIS>: Panic: file imap-client.c: line 1204 (client_handle_input): assertion failed: (o_stream_is_corked(client->output)) Dec 14 14:35:28 mproxy dovecot: imap(voxxxxea)<79305><taooukxgd83BrwIS>: Panic: file imap-client.c: line 12...

...2017 at 6:10 PM Ralf Hildebrandt <Ralf.Hildebrandt at charite.de> wrote: > > > * Ralf Hildebrandt <Ralf.Hildebrandt at charite.de>: > > > So I added > > ssl_ca_file = /etc/ssl/certs/ca-certificates.crt > > > > But alas: > > May 31 16:50:24 mproxy dovecot: config: Warning: Obsolete setting in /etc/dovecot/conf.d/10-ssl.conf:36: ssl_ca_file has been replaced by ssl_ca = <file > > > > Gnarf! As you can see I do HAVE ssl_ca in my doveconf -n output! > > > > ssl_ca = </etc/ssl/certs/ca-certificates.crt > >...

...to reflect the IP address of your Exchange Server. args = host=exchange-imap.charite.de port=993 ssl=imaps ssl_ca=</etc/ssl/certs/ca-certificates.crt ... or args = host=exchange-imap.charite.de port=993 ssl=imaps ssl_ca_file=/etc/ssl/certs/ca-certificates.crt both give me: Jun 2 17:38:19 mproxy dovecot: auth: Fatal: passdb imap: Unknown parameter: ssl_ca_file Jun 2 17:38:29 mproxy dovecot: auth: Fatal: passdb imap: Unknown parameter: ssl_ca -- Ralf Hildebrandt Gesch?ftsbereich IT | Abteilung Netzwerk Charit? - Universit?tsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm...

100% reproducible. User is using alpine to write an email. Continue postponed composition (answering "No" won't erase it)? y -> [>Empty folder! No messages really postponed!<] Can't delete {mproxy.charite.de/ssl/novalidate-cert/user=theusername}postponed-msgs Setup: ====== http://wiki2.dovecot.org/HowTo/ImapcProxy coredump available for further inspection Full backtrace: =============== Attaching to program: /usr/lib/dovecot/imap, process 15573 [New LWP 15573] Core was generated by `dov...