Dovecot 2.3.0 assertion failure on LMTP delivery
Dariusz Parciak
dovecotlist at 0xf.pl
Thu Feb 8 10:49:28 EET 2018
Hi All,
I have similar issue with Dovecot 2.3.0 on Centos 6.
Is it possible to fix it now? Or we have to wait for 2.3.1
Thanks,
Darek
W dniu 2018-01-29 05:48, J. Nick Koston napisał(a):
> Hi Aki,
>
> Please see below:
>
> Thank you
> -Nick
>
> # gdb /usr/libexec/dovecot/lmtp ./3445
> Using host libthread_db library "/lib64/libthread_db.so.1".
> Core was generated by `dovecot/lmtp'.
> Program terminated with signal 6, Aborted.
> #0 0x00007f297814d1f7 in raise () from /lib64/libc.so.6
> Missing separate debuginfos, use: debuginfo-install
> dovecot-2.3.0-8.cp1162.x86_64
> (gdb) back
> #0 0x00007f297814d1f7 in raise () from /lib64/libc.so.6
> #1 0x00007f297814e8e8 in abort () from /lib64/libc.so.6
> #2 0x00007f29785a3eab in default_fatal_finish (type=<optimized out>,
> status=status at entry=0) at failures.c:228
> #3 0x00007f29785a3f9e in i_internal_fatal_handler
> (ctx=0x7ffe12c97a00, format=<optimized out>, args=<optimized out>) at
> failures.c:718
> #4 0x00007f2978517190 in i_panic (format=format at entry=0x7f29785df6a8
> "file %s: line %d (%s): assertion failed: (%s)") at failures.c:306
> #5 0x00007f29785bf6bb in event_unref
> (_event=_event at entry=0x55ac2dab3ea8) at lib-event.c:148
> #6 0x00007f29788a1b64 in mail_storage_service_user_unref
> (_user=_user at entry=0x55ac2dab35a8) at mail-storage-service.c:1649
> #7 0x000055ac2cbd03fa in lmtp_local_rcpt_deinit (rcpt=0x55ac2dab3570)
> at lmtp-local.c:125
> #8 0x000055ac2cbd08dc in lmtp_local_deinit
> (_local=_local at entry=0x55ac2daa00f0) at lmtp-local.c:83
> #9 0x000055ac2cbcfa5a in client_state_reset (client=0x55ac2daa0028)
> at client.c:177
> #10 0x00007f297852e96c in smtp_server_connection_reset_state
> (conn=0x55ac2daaee40) at smtp-server-connection.c:1249
> #11 0x00007f297852c31d in smtp_server_command_completed
> (cmd=0x55ac2dab3998) at smtp-server-command.c:380
> #12 0x00007f297852f848 in smtp_server_connection_next_reply
> (conn=0x55ac2daaee40) at smtp-server-connection.c:623
> #13 smtp_server_connection_send_replies (conn=0x55ac2daaee40) at
> smtp-server-connection.c:682
> #14 smtp_server_connection_output (conn=0x55ac2daaee40) at
> smtp-server-connection.c:728
> #15 0x00007f29785cb990 in stream_send_io (fstream=0x55ac2da75dd0) at
> ostream-file.c:475
> #16 0x00007f29785bb4d5 in io_loop_call_io (io=0x55ac2dab75b0) at
> ioloop.c:614
> #17 0x00007f29785bcdaf in io_loop_handler_run_internal
> (ioloop=ioloop at entry=0x55ac2da6ac50) at ioloop-epoll.c:222
> #18 0x00007f29785bb5d2 in io_loop_handler_run
> (ioloop=ioloop at entry=0x55ac2da6ac50) at ioloop.c:666
> #19 0x00007f29785bb7f8 in io_loop_run (ioloop=0x55ac2da6ac50) at
> ioloop.c:639
> #20 0x00007f2978539bb3 in master_service_run (service=0x55ac2da6aae0,
> callback=callback at entry=0x55ac2cbcf3d0 <client_connected>) at
> master-service.c:767
> #21 0x000055ac2cbcf1a6 in main (argc=1, argv=0x55ac2da6a8a0) at
> main.c:159
> (gdb) bt full
> #0 0x00007f297814d1f7 in raise () from /lib64/libc.so.6
> No symbol table info available.
> #1 0x00007f297814e8e8 in abort () from /lib64/libc.so.6
> No symbol table info available.
> #2 0x00007f29785a3eab in default_fatal_finish (type=<optimized out>,
> status=status at entry=0) at failures.c:228
> backtrace = 0x55ac2da62088
> "/usr/lib64/dovecot/libdovecot.so.0(+0xc8ee4) [0x7f29785a3ee4] ->
> /usr/lib64/dovecot/libdovecot.so.0(+0xc8f9e) [0x7f29785a3f9e] ->
> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f2978517190] ->
> /usr"...
> recursed = 0
> #3 0x00007f29785a3f9e in i_internal_fatal_handler
> (ctx=0x7ffe12c97a00, format=<optimized out>, args=<optimized out>) at
> failures.c:718
> status = 0
> #4 0x00007f2978517190 in i_panic (format=format at entry=0x7f29785df6a8
> "file %s: line %d (%s): assertion failed: (%s)") at failures.c:306
> ctx = {type = LOG_TYPE_PANIC, exit_status = 0, timestamp =
> 0x0, timestamp_usecs = 0, log_prefix = 0x0}
> args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area =
> 0x7ffe12c97af0, reg_save_area = 0x7ffe12c97a30}}
> #5 0x00007f29785bf6bb in event_unref
> (_event=_event at entry=0x55ac2dab3ea8) at lib-event.c:148
> event = 0x55ac2dab8180
> __func__ = "event_unref"
> #6 0x00007f29788a1b64 in mail_storage_service_user_unref
> (_user=_user at entry=0x55ac2dab35a8) at mail-storage-service.c:1649
> user = 0x55ac2dab3e08
> __func__ = "mail_storage_service_user_unref"
> #7 0x000055ac2cbd03fa in lmtp_local_rcpt_deinit (rcpt=0x55ac2dab3570)
> at lmtp-local.c:125
> No locals.
> #8 0x000055ac2cbd08dc in lmtp_local_deinit
> (_local=_local at entry=0x55ac2daa00f0) at lmtp-local.c:83
> rcptp_end = 0x55ac2da9fbb8
> local = 0x55ac2dab8000
> rcptp = 0x55ac2da9fbb0
> #9 0x000055ac2cbcfa5a in client_state_reset (client=0x55ac2daa0028)
> at client.c:177
> No locals.
> #10 0x00007f297852e96c in smtp_server_connection_reset_state
> (conn=0x55ac2daaee40) at smtp-server-connection.c:1249
> No locals.
> #11 0x00007f297852c31d in smtp_server_command_completed
> (cmd=0x55ac2dab3998) at smtp-server-command.c:380
> hook_completed = <optimized out>
> #12 0x00007f297852f848 in smtp_server_connection_next_reply
> (conn=0x55ac2daaee40) at smtp-server-connection.c:623
> cmd = 0x55ac2dab3998
> error = 0x0
> i = <optimized out>
> #13 smtp_server_connection_send_replies (conn=0x55ac2daaee40) at
> smtp-server-connection.c:682
> No locals.
> #14 smtp_server_connection_output (conn=0x55ac2daaee40) at
> smtp-server-connection.c:728
> ret = 1
> #15 0x00007f29785cb990 in stream_send_io (fstream=0x55ac2da75dd0) at
> ostream-file.c:475
> ostream = 0x55ac2da75e60
> use_cork = true
> ret = <optimized out>
> #16 0x00007f29785bb4d5 in io_loop_call_io (io=0x55ac2dab75b0) at
> ioloop.c:614
> ioloop = 0x55ac2da6ac50
> t_id = 2
> __func__ = "io_loop_call_io"
> ---Type <return> to continue, or q <return> to quit---
> #17 0x00007f29785bcdaf in io_loop_handler_run_internal
> (ioloop=ioloop at entry=0x55ac2da6ac50) at ioloop-epoll.c:222
> ctx = 0x55ac2da761d0
> events = <optimized out>
> list = 0x55ac2da9c650
> io = <optimized out>
> tv = {tv_sec = 2147483, tv_usec = 0}
> events_count = <optimized out>
> msecs = <optimized out>
> ret = 1
> i = 0
> call = <optimized out>
> __func__ = "io_loop_handler_run_internal"
> #18 0x00007f29785bb5d2 in io_loop_handler_run
> (ioloop=ioloop at entry=0x55ac2da6ac50) at ioloop.c:666
> __func__ = "io_loop_handler_run"
> #19 0x00007f29785bb7f8 in io_loop_run (ioloop=0x55ac2da6ac50) at
> ioloop.c:639
> __func__ = "io_loop_run"
> #20 0x00007f2978539bb3 in master_service_run (service=0x55ac2da6aae0,
> callback=callback at entry=0x55ac2cbcf3d0 <client_connected>) at
> master-service.c:767
> No locals.
> #21 0x000055ac2cbcf1a6 in main (argc=1, argv=0x55ac2da6a8a0) at
> main.c:159
> set_roots = {0x7f2978843fc0 <smtp_submit_setting_parser_info>,
> 0x7f2978da4820 <lda_setting_parser_info>, 0x55ac2cdd4560
> <lmtp_setting_parser_info>, 0x0}
> service_flags = <optimized out>
> storage_service_flags = <optimized out>
> tmp_base_dir = 0x55ac2da62040 "\003"
> c = <optimized out>
> error = 0x0
> (gdb) p current_global_event
> $1 = (struct event *) 0x55ac2dab8180
> (gdb) p event
> No symbol "event" in current context.
> (gdb) p *current_global_event
> $2 = {event_passthrough = {append_log_prefix = 0x7f29785bf830
> <event_passthrough_set_append_log_prefix>, replace_log_prefix =
> 0x7f29785bf860 <event_passthrough_replace_log_prefix>,
> set_name = 0x7f29785bf8d0 <event_passthrough_set_name>, set_source
> = 0x7f29785bf930 <event_passthrough_set_source>, set_always_log_source
> = 0x7f29785bf970 <event_passthrough_set_always_log_source>,
> add_categories = 0x7f29785bfb00
> <event_passthrough_add_categories>, add_category = 0x7f29785bfb70
> <event_passthrough_add_category>, add_fields = 0x7f29785bfe80
> <event_passthrough_add_fields>,
> add_str = 0x7f29785bfcc0 <event_passthrough_add_str>, add_int =
> 0x7f29785bfd40 <event_passthrough_add_int>, add_timeval =
> 0x7f29785bfdd0 <event_passthrough_add_timeval>,
> event = 0x7f29785bedd0 <event_passthrough_event>}, prev =
> 0x55ac2dac51a0, next = 0x55ac2da75be0, refcount = 0, pool =
> 0x55ac2dab8070, parent = 0x0, id = 2, log_prefix = 0x0,
> log_prefix_from_system_pool = false, log_prefix_replace = false,
> passthrough = false, forced_debug = false, always_log_source = false,
> sending_debug_log = false, id_sent_to_stats = false,
> call_free = false, tv_created = {tv_sec = 1517200513, tv_usec =
> 468845}, tv_last_sent = {tv_sec = 0, tv_usec = 0}, source_filename =
> 0x7f297894f95a "mail-storage-service.c", source_linenum = 1333,
> sending_name = 0x0, categories = {arr = {buffer = 0x0, element_size
> = 0}, v = 0x0, v_modifiable = 0x0}, fields = {arr = {buffer =
> 0x55ac2dab8278, element_size = 48}, v = 0x55ac2dab8278,
> v_modifiable = 0x55ac2dab8278}}
>
>
>
>> On Jan 27, 2018, at 4:40 PM, Aki Tuomi <aki.tuomi at dovecot.fi> wrote:
>>
>> Hi!
>>
>> This is a bug in the new event code. Can you get a full gdb backtrace?
>>
>> Aki
>>
>>> On January 27, 2018 at 6:58 AM "J. Nick Koston" <nick at cpanel.net>
>>> wrote:
>>>
>>>
>>> Hi,
>>>
>>> We are seeing a frequent assertion failure on LMTP delivery with
>>> 2.3.0. This only appears to happen on CentOS/RHEL 7.
>>>
>>> Jan 24 08:30:58 smoker-devautomerge-c7-1 dovecot: lmtp(29540): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 08:30:58 smoker-devautomerge-c7-1 dovecot: lmtp(29540): Error:
>>> Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xc8ec4)
>>> [0x7f226d036ec4] -> /usr/lib64/dovecot/libdovecot.so.0(+0xc8f7e)
>>> [0x7f226d036f7e] -> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0)
>>> [0x7f226cfaa190] -> /usr/lib64/dovecot/libdovecot.so.0(+0xe469b)
>>> [0x7f226d05269b] ->
>>> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_storage_service_user_unref+0xb4)
>>> [0x7f226d334b64] -> dovecot/lmtp(+0x63fa) [0x56438f3673fa] ->
>>> dovecot/lmtp(lmtp_local_deinit+0x5c) [0x56438f3678dc] ->
>>> dovecot/lmtp(client_state_reset+0x1a) [0x56438f366a5a] ->
>>> /usr/lib64/dovecot/libdovecot.so.0(smtp_server_connection_reset_state+0x3c)
>>> [0x7f226cfc196c] ->
>>> /usr/lib64/dovecot/libdovecot.so.0(smtp_server_command_completed+0x4d)
>>> [0x7f226cfbf31d] -> /usr/lib64/dovecot/libdovecot.so.0(+0x54848)
>>> [0x7f226cfc2848] -> /usr/lib64/dovecot/libdovecot.so.0(+0xf0970)
>>> [0x7f226d05e970] ->
>>> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x65)
>>> [0x7f226d04e4b5] ->
>>> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10f)
>>> [0x7f226d04fd8f] ->
>>> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x52)
>>> [0x7f226d04e5b2] ->
>>> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f226d04e7d8]
>>> -> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x13)
>>> [0x7f226cfccbb3] -> dovecot/lmtp(main+0x226) [0x56438f3661a6] ->
>>> /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f226cbccc05] ->
>>> dovecot/lmtp(+0x52d5) [0x56438f3662d5]
>>> Jan 24 08:30:58 smoker-devautomerge-c7-1 dovecot: lmtp(29540): Fatal:
>>> master: service(lmtp): child 29540 killed with signal 6 (core dumps
>>> disabled)
>>>
>>>
>>> From the exim log:
>>> 'LOG: MAIN cwd=/usr/local/cpanel 3 args: /usr/sbin/sendmail -v
>>> bob at l56ob1nf.cptestLOG: MAIN <=
>>> root at smoker-devautomerge-c7-2.dev.cpanel.net U=root P=local S=3146285
>>> T="Ignore this test from Cpanel-Email-Message-Retrieve.t"LOG: MAIN
>>> cwd=/var/spool/exim 4 args: /usr/sbin/exim -v -Mc
>>> 1eemjH-0006uB-C2delivering 1eemjH-0006uB-C2 LMTP<< 220
>>> smoker-devautomerge-c7-2.dev.cpanel.net Dovecot ready. LMTP>> LHLO
>>> smoker-devautomerge-c7-2.dev.cpanel.net
>>> LMTP<< 250-smoker-devautomerge-c7-2.dev.cpanel.net LMTP<<
>>> 250-8BITMIME LMTP<< 250-CHUNKING LMTP<< 250-ENHANCEDSTATUSCODES
>>> LMTP<< 250-PIPELINING LMTP<< 250-STARTTLS LMTP<< 250-VRFY LMTP<<
>>> 250 XCLIENT ADDR PORT PROTO HELO LOGIN TTL TIMEOUT LMTP>> MAIL
>>> FROM:<root at smoker-devautomerge-c7-2.dev.cpanel.net>
>>> LMTP<< 250 2.1.0 OK LMTP>> RCPT TO:<bob at l56ob1nf.cptest>
>>> LMTP<< 250 2.1.5 OK LMTP>> DATA
>>> LMTP<< 354 OK LMTP>> writing message and terminating "." LMTP>>
>>> QUIT
>>> LOG: MAIN == bob at l56ob1nf.cptest R=virtual_user
>>> T=dovecot_virtual_delivery defer (-1): LMTP connection closed after
>>> end of data’,
>>>
>>>
>>>
>>> Jan 24 10:00:55 smoker-devautomerge-c7-1 dovecot: lmtp(30217): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 10:00:55 smoker-devautomerge-c7-1 dovecot: lmtp(30233): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 10:05:15 smoker-devautomerge-c7-1 dovecot: lmtp(32618): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 10:05:52 smoker-devautomerge-c7-1 dovecot: lmtp(375): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 10:05:52 smoker-devautomerge-c7-1 dovecot: lmtp(403): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 10:05:52 smoker-devautomerge-c7-1 dovecot: lmtp(424): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 10:05:52 smoker-devautomerge-c7-1 dovecot: lmtp(430): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 12:32:16 smoker-devautomerge-c7-1 dovecot: lmtp(4435): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 12:54:53 smoker-devautomerge-c7-1 dovecot: lmtp(15232): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 12:54:53 smoker-devautomerge-c7-1 dovecot: lmtp(15238): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>> Jan 24 12:54:53 smoker-devautomerge-c7-1 dovecot: lmtp(15244): Panic:
>>> file lib-event.c: line 148 (event_unref): assertion failed: (event !=
>>> current_global_event)
>>>
>>> doveconf -n:
>>>
>>> # 2.3.0 (c8b89eb): /etc/dovecot/dovecot.conf
>>> # OS: Linux 3.10.0-693.2.2.el7.x86_64 x86_64 CentOS Linux release
>>> 7.4.1708 (Core)
>>> auth_cache_size = 1 M
>>> auth_mechanisms = plain login
>>> auth_username_chars =
>>> "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!#$-=?^_{}~./@+%"
>>> disable_plaintext_auth = no
>>> first_valid_uid = 201
>>> lda_mailbox_autocreate = yes
>>> lmtp_rcpt_check_quota = yes
>>> lmtp_save_to_detail_mailbox = yes
>>> lmtp_user_concurrency_limit = 4
>>> mail_access_groups = dovecot
>>> mail_plugins = quota quota_clone zlib
>>> mail_prefetch_count = 20
>>> maildir_very_dirty_syncs = yes
>>> namespace inbox {
>>> inbox = yes
>>> location =
>>> mailbox Archive {
>>> auto = create
>>> special_use = \Archive
>>> }
>>> mailbox Archives {
>>> auto = no
>>> special_use = \Archive
>>> }
>>> mailbox Drafts {
>>> auto = subscribe
>>> special_use = \Drafts
>>> }
>>> mailbox Junk {
>>> auto = create
>>> special_use = \Junk
>>> }
>>> mailbox Sent {
>>> auto = subscribe
>>> special_use = \Sent
>>> }
>>> mailbox "Sent Messages" {
>>> auto = no
>>> special_use = \Sent
>>> }
>>> mailbox Trash {
>>> auto = subscribe
>>> special_use = \Trash
>>> }
>>> mailbox spam {
>>> auto = create
>>> special_use = \Junk
>>> }
>>> prefix = INBOX.
>>> separator = .
>>> type = private
>>> }
>>> passdb {
>>> args = /usr/local/cpanel/etc/dovecot/cpauthd-dict.conf
>>> driver = dict
>>> result_failure = return-fail
>>> }
>>> passdb {
>>> args = /usr/local/cpanel/bin/dovecot-wrap
>>> driver = checkpassword
>>> skip = authenticated
>>> }
>>> plugin {
>>> acl = vfile:cache_secs=86400
>>> quota_exceeded_message = Mailbox is full / Blocks limit exceeded /
>>> Inode limit exceeded
>>> }
>>> protocols = lmtp imap pop3
>>> service auth {
>>> unix_listener auth-client {
>>> mode = 0666
>>> }
>>> }
>>> service config {
>>> vsz_limit = 2 G
>>> }
>>> service dict {
>>> unix_listener dict {
>>> group = dovecot
>>> mode = 0660
>>> }
>>> }
>>> service imap-login {
>>> client_limit = 500
>>> inet_listener imap {
>>> address = *,::
>>> }
>>> inet_listener imaps {
>>> address = *,::
>>> }
>>> process_limit = 50
>>> process_min_avail = 2
>>> service_count = 0
>>> vsz_limit = 128 M
>>> }
>>> service imap {
>>> process_limit = 512
>>> vsz_limit = 512 M
>>> }
>>> service lmtp {
>>> client_limit = 1
>>> process_limit = 500
>>> unix_listener lmtp {
>>> group = mail
>>> mode = 0660
>>> user = mailnull
>>> }
>>> vsz_limit = 512 M
>>> }
>>> service managesieve-login {
>>> client_limit = 500
>>> process_limit = 50
>>> process_min_avail = 2
>>> service_count = 0
>>> vsz_limit = 128 M
>>> }
>>> service managesieve {
>>> process_limit = 512
>>> vsz_limit = 512 M
>>> }
>>> service pop3-login {
>>> client_limit = 500
>>> inet_listener pop3 {
>>> address = *,::
>>> }
>>> inet_listener pop3s {
>>> address = *,::
>>> }
>>> process_limit = 50
>>> process_min_avail = 2
>>> service_count = 0
>>> vsz_limit = 128 M
>>> }
>>> service pop3 {
>>> process_limit = 512
>>> vsz_limit = 512 M
>>> }
>>> service quota-status {
>>> executable = quota-status -p postfix
>>> unix_listener quota-status {
>>> mode = 0666
>>> }
>>> }
>>> ssl_cert = </etc/dovecot/ssl/dovecot.crt
>>> ssl_cipher_list =
>>> ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256
>>> ssl_dh = # hidden, use -P to show it
>>> ssl_key = # hidden, use -P to show it
>>> userdb {
>>> driver = prefetch
>>> }
>>> userdb {
>>> args = /usr/local/cpanel/etc/dovecot/cpauthd-dict.conf
>>> driver = dict
>>> }
>>> userdb {
>>> args = /usr/local/cpanel/bin/dovecot-wrap
>>> driver = checkpassword
>>> }
>>> protocol imap {
>>> imap_capability = +NAMESPACE
>>> imap_idle_notify_interval = 24 mins
>>> imap_logout_format = in=%i, out=%o, bytes=%i/%o
>>> mail_max_userip_connections = 20
>>> mail_plugins = acl quota imap_quota zlib imap_zlib quota_clone
>>> virtual
>>> namespace sent {
>>> hidden = yes
>>> list = no
>>> location =
>>> virtual:/usr/local/cpanel/etc/dovecot/virtual/sent:INDEX=~/mail/virtual/%u/sent
>>> prefix = sent
>>> separator = .
>>> }
>>> namespace spam {
>>> hidden = yes
>>> list = no
>>> location =
>>> virtual:/usr/local/cpanel/etc/dovecot/virtual/spam:INDEX=~/mail/virtual/%u/spam
>>> prefix = spam
>>> separator = .
>>> }
>>> }
>>> protocol pop3 {
>>> mail_max_userip_connections = 3
>>> mail_plugins = quota quota quota_clone virtual zlib
>>> namespace sent {
>>> hidden = yes
>>> list = no
>>> location =
>>> virtual:/usr/local/cpanel/etc/dovecot/virtual/sent:INDEX=~/mail/virtual/%u/sent
>>> prefix = sent
>>> separator = .
>>> }
>>> namespace spam {
>>> hidden = yes
>>> list = no
>>> location =
>>> virtual:/usr/local/cpanel/etc/dovecot/virtual/spam:INDEX=~/mail/virtual/%u/spam
>>> prefix = spam
>>> separator = .
>>> }
>>> pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s,
>>> bytes=%i/%o
>>> pop3_uidl_format = UID%u-%v
>>> }
>>> protocol lmtp {
>>> mail_plugins = quota quota_clone zlib
>>> postmaster_address = root
>>> quota_full_tempfail = no
>>> }
>>> protocol lda {
>>> mail_plugins = quota quota_clone zlib
>>> postmaster_address = root
>>> quota_full_tempfail = no
>>> }
>>> local_name smoker-devautomerge-c7-1.dev.cpanel.net {
>>> ssl_cert = </etc/dovecot/ssl/dovecot.crt
>>> ssl_key = # hidden, use -P to show it
>>> }
>>>
>>>
>>
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