lmtp panic

[Sergey Schwartz]

Gentlemen,

imap hits the same problem

Nov 17 14:02:06 mx10 dovecot: imap(oleg.vasilyev at bgoperator.com): Panic: 
file mail-index-util.c: line 37 (mail_index_uint32_to_offset): assertion 
failed: (offset < 0x40000000)
Nov 17 14:02:06 mx10 dovecot: imap(oleg.vasilyev at bgoperator.com): Error: 
Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x8215e) 
[0x7f8c8ce0915e] -> /usr/lib/dovecot/libdovecot.so.0(+0x8224c) 
[0x7f8c8ce0924c] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) 
[0x7f8c8cdb090e] -> 
/usr/lib/dovecot/libdovecot-storage.so.0(mail_index_uint32_to_offset+0x78) 
[0x7f8c8d161c58] -> 
/usr/lib/dovecot/libdovecot-storage.so.0(mail_cache_add+0x6eb) 
[0x7f8c8d14babb] -> 
/usr/lib/dovecot/libdovecot-storage.so.0(index_mail_parse_header+0x280) 
[0x7f8c8d131f90] -> /usr/lib/dovecot/libdovecot.so.0(+0x6bace) 
[0x7f8c8cdf2ace] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x53) 
[0x7f8c8ce13483] -> 
/usr/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) 
[0x7f8c8ce13e7d] -> 
/usr/lib/dovecot/libdovecot.so.0(message_parse_header_next+0x82) 
[0x7f8c8cdf7cb2] -> /usr/lib/dovecot/libdovecot.so.0(+0x6b429) 
[0x7f8c8cdf2429] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x53) 
[0x7f8c8ce13483] -> 
/usr/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) 
[0x7f8c8ce13e7d] -> 
/usr/lib/dovecot/libdovecot.so.0(message_get_header_size+0x74) 
[0x7f8c8cdfb564] -> 
/usr/lib/dovecot/libdovecot-storage.so.0(imap_msgpart_open+0x317) 
[0x7f8c8d16f827] -> dovecot/imap(+0x1effe) [0x7f8c8d5ffffe] -> 
dovecot/imap(+0x1d3fc) [0x7f8c8d5fe3fc] -> 
dovecot/imap(imap_fetch_more+0x3a) [0x7f8c8d5ff4fa] -> 
dovecot/imap(cmd_fetch+0x354) [0x7f8c8d5f1934] -> 
dovecot/imap(command_exec+0x85) [0x7f8c8d5fcbe5] -> 
dovecot/imap(+0x1a152) [0x7f8c8d5fb152] -> dovecot/imap(+0x1a1e0) 
[0x7f8c8d5fb1e0] -> dovecot/imap(client_handle_input+0x13d) 
[0x7f8c8d5fb54d] -> dovecot/imap(client_input+0x85) [0x7f8c8d5fb915] -> 
/usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x4c) [0x7f8c8ce1cc4c] 
-> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x101) 
[0x7f8c8ce1e0b1] -> 
/usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x25) 
[0x7f8c8ce1ccd5] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) 
[0x7f8c8ce1ce78]
Nov 17 14:02:06 mx10 dovecot: imap(oleg.vasilyev at bgoperator.com): Fatal: 
master: service(imap): child 7445 killed with signal 6 (core dumped)

any ideas how to fix this ?

Best regards,
Sergey Schwartz

Senior System Administrator
Biblio Globus Tour Operator
www.bgoperator.ru

T: +7 495 5042500 ext 1532
E: sergey.schwartz at bgoperator.com

13.11.2015 12:40, Sergey Schwartz пишет:
> root at mx10:~# doveadm force-resync -u oleg.vasilyev at bgoperator.com 
> noreply-05-08-2015
> doveadm(oleg.vasilyev at bgoperator.com): Warning: fscking index file 
> /srv/vmail/current/bgoperator.com/oleg.vasilyev/storage/dovecot.map.index
> doveadm(oleg.vasilyev at bgoperator.com): Warning: mdbox 
> /srv/vmail/current/bgoperator.com/oleg.vasilyev/storage: rebuilding 
> indexes
> doveadm(oleg.vasilyev at bgoperator.com): Panic: file mail-index-util.c: 
> line 37 (mail_index_uint32_to_offset): assertion failed: (offset < 
> 0x40000000)
> doveadm(oleg.vasilyev at bgoperator.com): Error: Raw backtrace: 
> /usr/lib/dovecot/libdovecot.so.0(+0x820de) [0x7f0f6f04e0de] -> 
> /usr/lib/dovecot/libdovecot.so.0(+0x82158) [0x7f0f6f04e158] -> 
> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f0f6eff58de] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_uint32_to_offset+0x78) 
> [0x7f0f6f3a6c58] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mail_cache_compress+0xaad) 
> [0x7f0f6f38c83d] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_commit+0x2c7) 
> [0x7f0f6f39f4b7] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mdbox_storage_rebuild_in_context+0x1109) 
> [0x7f0f6f329189] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mdbox_sync_begin+0x825) 
> [0x7f0f6f32aaf5] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mdbox_sync+0x4c) 
> [0x7f0f6f32ac7c] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mdbox_storage_sync_init+0x42) 
> [0x7f0f6f32ad32] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x3b) 
> [0x7f0f6f3106eb] -> 
> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync+0x37) 
> [0x7f0f6f310837] -> doveadm(+0x258e4) [0x7f0f6fc9d8e4] -> 
> doveadm(+0x2547e) [0x7f0f6fc9d47e] -> 
> doveadm(doveadm_mail_try_run+0x2ac) [0x7f0f6fc9e4dc] -> 
> doveadm(main+0x3a5) [0x7f0f6fc8f245] -> 
> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) 
> [0x7f0f6ec28ec5] -> doveadm(+0x1734e) [0x7f0f6fc8f34e]
>
>
> root at mx10:~# doveconf -n
> # 2.2.19 (0b1c73b01a5a): /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.4.9
> # OS: Linux 3.13.0-34-generic x86_64 Ubuntu 14.04.3 LTS xfs
> auth_cache_negative_ttl = 0
> auth_cache_size = 512 M
> auth_default_realm = bgoperator.com
> auth_failure_delay = 5 secs
> auth_worker_max_count = 4096
> default_client_limit = 40960
> default_process_limit = 8192
> default_vsz_limit = 2 G
> disable_plaintext_auth = no
> first_valid_gid = 500
> mail_location = mdbox:/srv/vmail/current/%d/%n
> mail_plugins = acl zlib notify replication
> mail_shared_explicit_inbox = yes
> mailbox_list_index = 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
> mdbox_rotate_size = 32 M
> namespace {
>   list = yes
>   location = mdbox:/srv/vmail/current/%%d/%%n
>   prefix = shared/%%u/
>   separator = /
>   subscriptions = no
>   type = shared
> }
> namespace inbox {
>   inbox = yes
>   location =
>   mailbox Drafts {
>     auto = subscribe
>     special_use = \Drafts
>   }
>   mailbox Junk {
>     auto = subscribe
>     special_use = \Junk
>   }
>   mailbox Sent {
>     auto = subscribe
>     special_use = \Sent
>   }
>   mailbox Trash {
>     auto = subscribe
>     special_use = \Trash
>   }
>   prefix =
>   separator = /
> }
> passdb {
>   args = /etc/dovecot/virtual/base.conf.ext
>   driver = sql
> }
> passdb {
>   args = /etc/dovecot/virtual/master.conf.ext
>   driver = sql
> }
> plugin {
>   acl = vfile
>   acl_shared_dict = 
> file:/srv/vmail/current/shared.db/000-shared-mailboxes.db
>   sieve = 
> file:/srv/vmail/current/%d/%n/sieve;active=/srv/vmail/current/%d/%n/active.sieve
>   sieve_max_redirects = 0
>   zlib_save = xz
>   zlib_save_level = 6
> }
> protocols = " imap lmtp sieve"
> service auth-worker {
>   process_limit = 4096
> }
> service auth {
>   unix_listener /var/spool/postfix/private/auth {
>     group = postfix
>     mode = 0666
>     user = postfix
>   }
> }
> service imap-login {
>   process_limit = 4096
>   process_min_avail = 24
> }
> service imap {
>   process_limit = 4096
> }
> service lmtp {
>   unix_listener /var/spool/postfix/private/dovecot-lmtp {
>     group = postfix
>     mode = 0600
>     user = postfix
>   }
> }
> ssl_cert = </etc/ssl/mxbgcom/2015/bgoperator.com.crt.chained
> ssl_key = </etc/ssl/mxbgcom/2015/bgoperator.com.key
> syslog_facility = local0
> userdb {
>   args = /etc/dovecot/virtual/base.conf.ext
>   driver = sql
> }
> protocol lmtp {
>   mail_plugins = acl zlib notify replication sieve
> }
> protocol imap {
>   mail_max_userip_connections = 50
>   mail_plugins = acl zlib notify replication imap_acl
> }
>
>
>
> Best regards,
> Sergey Schwartz
>
> Senior System Administrator
> Biblio Globus Tour Operator
> www.bgoperator.ru
>
> T: +7 495 5042500 ext 1532
> E: sergey.schwartz at bgoperator.com
>
> 11.11.2015 17:06, Sergey Schwartz пишет:
>> After 1 or 2 hours of recieveing this kind of errors mail server runs 
>> out of file descriptors
>>
>> Nov 11 16:22:20 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:24 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:25 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:27 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:27 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:27 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:28 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:28 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:30 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:31 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:31 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:32 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:32 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:55 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:22:55 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>> Nov 11 16:23:00 mx10 dovecot: config: Error: net_accept() failed: Too 
>> many open files
>>
>>
>> Best regards,
>> Sergey Schwartz
>>
>> Senior System Administrator
>> Biblio Globus Tour Operator
>> www.bgoperator.ru
>>
>> T: +7 495 5042500 ext 1532
>> E: sergey.schwartz at bgoperator.com
>>
>> 10.11.2015 15:46, Sergey Schwartz пишет:
>>> Gents,
>>>
>>>
>>>
>>> I've just upgraded to the latest build of dovecot , now lmtp 
>>> delivery process panics for just one user
>>>
>>>
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Panic: file str.c: line 22 (str_new_const): assertion failed: 
>>> (str[len] == '\0')
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Panic: file str.c: line 22 (str_new_const): assertion failed: 
>>> (str[len] == '\0')
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x820de) 
>>> [0x7f50e596b0de] -> /usr/lib/dovecot/libdovecot.so.0(+0x821cc) 
>>> [0x7f50e596b1cc] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) 
>>> [0x7f50e59128de] -> /usr/lib/dovecot/libdovecot.so.0(+0xa8bf8) 
>>> [0x7f50e5991bf8] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x5ddbd) 
>>> [0x7f50e380ddbd] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_match+0xf1) 
>>> [0x7f50e37f43b1] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x5f555) 
>>> [0x7f50e380f555] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_interpreter_continue+0xe7) 
>>> [0x7f50e37eb2e7] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_interpreter_run+0x2b) 
>>> [0x7f50e37eb46b] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x4e6ea) 
>>> [0x7f50e37fe6ea] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_execute+0x47) 
>>> [0x7f50e37ff277] -> 
>>> /usr/lib/dovecot/modules/lib90_sieve_plugin.so(+0x3b81) 
>>> [0x7f50e3a62b81] -> 
>>> /usr/lib/dovecot/libdovecot-lda.so.0(mail_deliver+0x49) 
>>> [0x7f50e5f26899] -> dovecot/lmtp(+0x6a04) [0x7f50e6357a04] -> 
>>> dovecot/lmtp(+0x72d7) [0x7f50e63582d7] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x4c) 
>>> [0x7f50e597ebbc] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x101) 
>>> [0x7f50e597ffb1] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x25) 
>>> [0x7f50e597ec45] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f50e597ede8] 
>>> -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) 
>>> [0x7f50e59182e3] -> dovecot/lmtp(main+0x165) [0x7f50e6356135] -> 
>>> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) 
>>> [0x7f50e5545ec5] -> dovecot/lmtp(+0x5223) [0x7f50e6356223]
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x820de) 
>>> [0x7f887f40e0de] -> /usr/lib/dovecot/libdovecot.so.0(+0x821cc) 
>>> [0x7f887f40e1cc] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) 
>>> [0x7f887f3b58de] -> /usr/lib/dovecot/libdovecot.so.0(+0xa8bf8) 
>>> [0x7f887f434bf8] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x5ddbd) 
>>> [0x7f887d2b0dbd] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_match+0xf1) 
>>> [0x7f887d2973b1] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x5f555) 
>>> [0x7f887d2b2555] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_interpreter_continue+0xe7) 
>>> [0x7f887d28e2e7] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_interpreter_run+0x2b) 
>>> [0x7f887d28e46b] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x4e6ea) 
>>> [0x7f887d2a16ea] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_execute+0x47) 
>>> [0x7f887d2a2277] -> 
>>> /usr/lib/dovecot/modules/lib90_sieve_plugin.so(+0x3b81) 
>>> [0x7f887d505b81] -> 
>>> /usr/lib/dovecot/libdovecot-lda.so.0(mail_deliver+0x49) 
>>> [0x7f887f9c9899] -> dovecot/lmtp(+0x6a04) [0x7f887fdfaa04] -> 
>>> dovecot/lmtp(+0x72d7) [0x7f887fdfb2d7] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x4c) 
>>> [0x7f887f421bbc] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x101) 
>>> [0x7f887f422fb1] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x25) 
>>> [0x7f887f421c45] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f887f421de8] 
>>> -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) 
>>> [0x7f887f3bb2e3] -> dovecot/lmtp(main+0x165) [0x7f887fdf9135] -> 
>>> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) 
>>> [0x7f887efe8ec5] -> dovecot/lmtp(+0x5223) [0x7f887fdf9223]
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(7502): Connect from local
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(7509): Connect from local
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Panic: file str.c: line 22 (str_new_const): assertion failed: 
>>> (str[len] == '\0')
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x820de) 
>>> [0x7fd26d0530de] -> /usr/lib/dovecot/libdovecot.so.0(+0x821cc) 
>>> [0x7fd26d0531cc] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) 
>>> [0x7fd26cffa8de] -> /usr/lib/dovecot/libdovecot.so.0(+0xa8bf8) 
>>> [0x7fd26d079bf8] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x5ddbd) 
>>> [0x7fd26aef5dbd] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_match+0xf1) 
>>> [0x7fd26aedc3b1] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x5f555) 
>>> [0x7fd26aef7555] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_interpreter_continue+0xe7) 
>>> [0x7fd26aed32e7] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_interpreter_run+0x2b) 
>>> [0x7fd26aed346b] -> /usr/lib/dovecot/libdovecot-sieve.so.0(+0x4e6ea) 
>>> [0x7fd26aee66ea] -> 
>>> /usr/lib/dovecot/libdovecot-sieve.so.0(sieve_execute+0x47) 
>>> [0x7fd26aee7277] -> 
>>> /usr/lib/dovecot/modules/lib90_sieve_plugin.so(+0x3b81) 
>>> [0x7fd26b14ab81] -> 
>>> /usr/lib/dovecot/libdovecot-lda.so.0(mail_deliver+0x49) 
>>> [0x7fd26d60e899] -> dovecot/lmtp(+0x6a04) [0x7fd26da3fa04] -> 
>>> dovecot/lmtp(+0x72d7) [0x7fd26da402d7] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x4c) 
>>> [0x7fd26d066bbc] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x101) 
>>> [0x7fd26d067fb1] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x25) 
>>> [0x7fd26d066c45] -> 
>>> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7fd26d066de8] 
>>> -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) 
>>> [0x7fd26d0002e3] -> dovecot/lmtp(main+0x165) [0x7fd26da3e135] -> 
>>> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) 
>>> [0x7fd26cc2dec5] -> dovecot/lmtp(+0x5223) [0x7fd26da3e223]
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Fatal: master: service(lmtp): child 7494 killed with signal 6 (core 
>>> dumped)
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Fatal: master: service(lmtp): child 7497 killed with signal 6 (core 
>>> dumped)
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Fatal: master: service(lmtp): child 7499 killed with signal 6 (core 
>>> dumped)
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Fatal: master: service(lmtp): child 6719 killed with signal 6 (core 
>>> dumped)
>>> Nov 10 15:36:49 mx10 dovecot: lmtp(oleg.vasilyev at bgoperator.com): 
>>> Fatal: master: service(lmtp): child 7502 killed with signal 6 (core 
>>> dumped)
>>> Nov 10 15:36:51 mx10 dovecot: lmtp(7509): Disconnect from local: 
>>> Connection closed (in DATA finished)
>>>
>>>
>>> Oleg has lots and lots of small emails :)
>>>
>>> I'm running ubuntu server 14.04 x86_64
>>> dovecot 2.2.19 (0b1c73b01a5a) build from 
>>> http://xi.rename-it.nl/debian/ jessie-auto/dovecot-2.2 main
>>>