Hi Marco,

try to check if LDAP REFERRALS are enabled.

I had a similar issue some time ago when trying to authenticate against an AD, which didn't worked (long timeouts) as long as I switched off REFERRALS in the systems ldap.conf. (more info you might get by 'man ldap.conf')

Cheers, Chris

Am Wed, 20 Feb 2013 13:25:39 +0100 schrieb marco@carcano.ch:

I hope that someone will be so kind to help me into solving this really strange thing (don't know if it is a bug or not)

I have a samba4 server and want to use postfix+dovecot - dovecot version is 2.0.11

as for the postfix side everything is OK (all the LDAP lookups works without any error, tested also manually with postmap -q) the real pain is with dovecot deliver:

it seems that sometimes lda tries to lookup to the LDPA (samba 4) server, got a reply, an then report(after 2 minutes) a lookup timeout error

the really strange thing is that (very seldom) lda works, but most of the times I got the timeout error.

The strange thing is that if I use ldapsearch I never got timeout neither late replies, and even postfix performs its lookups without any issue it seems something related to lda itself (I do not know if I have a wrong configuration, but I think this is not a configuration issue, otherwise it should not work at all)

here are the information logged when it does not work - after this log you will find the one when I got the failure (if needed I can provide a .pcap file too)

(trailing and leading spaces of AT charcater has been added by me)

############################## FAULTY DELIVER LOG #############################################

Feb 20 12:20:50 sng02 postfix/smtpd[8928]: connect from localhost[127.0.0.1] Feb 20 12:21:14 sng02 postfix/smtpd[8928]: A38D4407F5: client=localhost[127.0.0.1] Feb 20 12:21:20 sng02 postfix/cleanup[8891]: A38D4407F5: warning: header Subject: prova from localhost[127.0.0.1]; from= to= proto=SMTP helo= Feb 20 12:21:20 sng02 postfix/cleanup[8891]: A38D4407F5: message-id=<20130220112114.A38D4407F5 @ srv01.mydomain.local> Feb 20 12:21:20 sng02 postfix/qmgr[8889]: A38D4407F5: from=, size=371, nrcpt=1 (queue active) Feb 20 12:21:20 sng02 dovecot: lda: Debug: Loading modules from directory: /usr/lib64/dovecot Feb 20 12:21:20 sng02 dovecot: lda: Debug: Module loaded: /usr/lib64/dovecot/lib10_quota_plugin.so Feb 20 12:21:20 sng02 dovecot: lda: Debug: Module loaded: /usr/lib64/dovecot/lib20_expire_plugin.so Feb 20 12:21:20 sng02 dovecot: lda: Debug: Module loaded: /usr/lib64/dovecot/lib90_sieve_plugin.so Feb 20 12:21:20 sng02 dovecot: auth: Debug: Loading modules from directory: /usr/lib64/dovecot/auth Feb 20 12:21:20 sng02 dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libauthdb_ldap.so Feb 20 12:21:20 sng02 dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libdriver_mysql.so Feb 20 12:21:20 sng02 dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libdriver_pgsql.so Feb 20 12:21:20 sng02 dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libdriver_sqlite.so Feb 20 12:21:20 sng02 dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libmech_gssapi.so Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_bind Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_simple_bind Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_sasl_bind Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_send_initial_request Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_new_connection 1 1 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_int_open_connection Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_connect_to_host: TCP localhost:389 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_new_socket: 16 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_prepare_socket: 16 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_connect_to_host: Trying ::1 389 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_pvt_connect: fd: 16 tm: -1 async: 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_open_defconn: successful Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_send_server_request Feb 20 12:21:20 sng02 dovecot: auth: Debug: master in: USER#0111#011marco.carcano#011service=lda Feb 20 12:21:20 sng02 dovecot: auth: Debug: password(marco.carcano): passdb doesn't support credential lookups Feb 20 12:21:20 sng02 dovecot: auth: Error: static(marco.carcano): passdb doesn't support lookups, can't verify user's existence Feb 20 12:21:20 sng02 dovecot: auth: Debug: ldap(marco.carcano): user search: base=DC=mydomain,DC=local scope=subtree filter=(sAMAccountname=marco.carcano) fields=Mailbox,dovecotMailQuota Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_result ld 0x6cba60 msgid -1 Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg ld 0x6cba60 msgid -1 (timeout 0 usec) Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg continue ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Connections: Feb 20 12:21:20 sng02 dovecot: auth: Error: * host: localhost port: 389 (default) Feb 20 12:21:20 sng02 dovecot: auth: Error: refcnt: 2 status: Connected Feb 20 12:21:20 sng02 dovecot: auth: Error: last used: Wed Feb 20 12:21:20 2013 Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Outstanding Requests: Feb 20 12:21:20 sng02 dovecot: auth: Error: * msgid 1, origid 1, status InProgress Feb 20 12:21:20 sng02 dovecot: auth: Error: outstanding referrals 0, parent count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 request count 1 (abandoned 0) Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Response Queue: Feb 20 12:21:20 sng02 dovecot: auth: Error: Empty Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 response count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList returns ld 0x6cba60 NULL Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_int_select Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid 1 message type bind Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 0 new referrals Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: mark request completed, ld 0x6cba60 msgid 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: request done: ld 0x6cba60 msgid 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: res_errno: 0, res_error: <>, res_matched: <> Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_free_request (origid 1, msgid 1) Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_parse_result Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_search Feb 20 12:21:20 sng02 dovecot: auth: Error: put_filter: "(sAMAccountname=marco.carcano)" Feb 20 12:21:20 sng02 dovecot: auth: Error: put_filter: simple Feb 20 12:21:20 sng02 dovecot: auth: Error: put_simple_filter: "sAMAccountname=marco.carcano" Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_send_initial_request Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_send_server_request Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_msgfree Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_result ld 0x6cba60 msgid -1 Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg ld 0x6cba60 msgid -1 (timeout 0 usec) Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg continue ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Connections: Feb 20 12:21:20 sng02 dovecot: auth: Error: * host: localhost port: 389 (default) Feb 20 12:21:20 sng02 dovecot: auth: Error: refcnt: 2 status: Connected Feb 20 12:21:20 sng02 dovecot: auth: Error: last used: Wed Feb 20 12:21:20 2013 Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Outstanding Requests: Feb 20 12:21:20 sng02 dovecot: auth: Error: * msgid 2, origid 2, status InProgress Feb 20 12:21:20 sng02 dovecot: auth: Error: outstanding referrals 0, parent count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 request count 1 (abandoned 0) Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Response Queue: Feb 20 12:21:20 sng02 dovecot: auth: Error: Empty Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 response count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList returns ld 0x6cba60 NULL Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_int_select Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_result ld 0x6cba60 msgid -1 Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg ld 0x6cba60 msgid -1 (timeout 0 usec) Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg continue ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Connections: Feb 20 12:21:20 sng02 dovecot: auth: Error: * host: localhost port: 389 (default) Feb 20 12:21:20 sng02 dovecot: auth: Error: refcnt: 2 status: Connected Feb 20 12:21:20 sng02 dovecot: auth: Error: last used: Wed Feb 20 12:21:20 2013 Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Outstanding Requests: Feb 20 12:21:20 sng02 dovecot: auth: Error: * msgid 2, origid 2, status InProgress Feb 20 12:21:20 sng02 dovecot: auth: Error: outstanding referrals 0, parent count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 request count 1 (abandoned 0) Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Response Queue: Feb 20 12:21:20 sng02 dovecot: auth: Error: Empty Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 response count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList returns ld 0x6cba60 NULL Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_int_select Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid 2 message type search-entry Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_first_attribute Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_get_values Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_next_attribute Feb 20 12:21:20 sng02 dovecot: auth: Debug: ldap(marco.carcano): result: dovecotMailQuota(quota_rule=%$)=*:storage=8192M Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_msgfree Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_result ld 0x6cba60 msgid -1 Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg ld 0x6cba60 msgid -1 (timeout 0 usec) Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg continue ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Connections: Feb 20 12:21:20 sng02 dovecot: auth: Error: * host: localhost port: 389 (default) Feb 20 12:21:20 sng02 dovecot: auth: Error: refcnt: 2 status: Connected Feb 20 12:21:20 sng02 dovecot: auth: Error: last used: Wed Feb 20 12:21:20 2013 Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Outstanding Requests: Feb 20 12:21:20 sng02 dovecot: auth: Error: * msgid 2, origid 2, status InProgress Feb 20 12:21:20 sng02 dovecot: auth: Error: outstanding referrals 0, parent count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 request count 1 (abandoned 0) Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Response Queue: Feb 20 12:21:20 sng02 dovecot: auth: Error: Empty Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 response count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList returns ld 0x6cba60 NULL Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_int_select Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid -1 all 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid 2 message type search-reference Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chase_v3referrals Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_url_parse_ext(ldap://mydomain.local/CN=Configuration,DC=mydomain,DC=local) Feb 20 12:21:20 sng02 dovecot: auth: Error: re_encode_request: new msgid 3, new dn Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chase_v3referral: msgid 2, url "ldap://mydomain.local/CN=Configuration,DC=mydomain,DC=local" Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_send_server_request Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_new_connection 0 1 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_int_open_connection Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_connect_to_host: TCP mydomain.local:389 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_new_socket: 18 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_prepare_socket: 18 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_connect_to_host: Trying 192.168.32.2:389 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_pvt_connect: fd: 18 tm: -1 async: 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: anonymous rebind via ldap_sasl_bind("") Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_sasl_bind Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_send_initial_request Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_send_server_request Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_result ld 0x6cba60 msgid 4 Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg ld 0x6cba60 msgid 4 (timeout 100000 usec) Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg continue ld 0x6cba60 msgid 4 all 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Connections: Feb 20 12:21:20 sng02 dovecot: auth: Error: * host: mydomain.local port: 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: refcnt: 2 status: Connected Feb 20 12:21:20 sng02 dovecot: auth: Error: last used: Wed Feb 20 12:21:20 2013 Feb 20 12:21:20 sng02 dovecot: auth: Error: rebind in progress Feb 20 12:21:20 sng02 dovecot: auth: Error: queue is empty Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: * host: localhost port: 389 (default) Feb 20 12:21:20 sng02 dovecot: auth: Error: refcnt: 3 status: Connected Feb 20 12:21:20 sng02 dovecot: auth: Error: last used: Wed Feb 20 12:21:20 2013 Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Outstanding Requests: Feb 20 12:21:20 sng02 dovecot: auth: Error: * msgid 4, origid 4, status InProgress Feb 20 12:21:20 sng02 dovecot: auth: Error: outstanding referrals 0, parent count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: * msgid 2, origid 2, status InProgress Feb 20 12:21:20 sng02 dovecot: auth: Error: outstanding referrals 1, parent count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 request count 2 (abandoned 0) Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Response Queue: Feb 20 12:21:20 sng02 dovecot: auth: Error: Empty Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 response count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList ld 0x6cba60 msgid 4 all 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList returns ld 0x6cba60 NULL Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_int_select Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid 4 all 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid 2 message type search-result Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 0 new referrals Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: mark request completed, ld 0x6cba60 msgid 2 Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg ld 0x6cba60 0 s 99952 us to go Feb 20 12:21:20 sng02 dovecot: auth: Error: wait4msg continue ld 0x6cba60 msgid 4 all 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Connections: Feb 20 12:21:20 sng02 dovecot: auth: Error: * host: mydomain.local port: 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: refcnt: 2 status: Connected Feb 20 12:21:20 sng02 dovecot: auth: Error: last used: Wed Feb 20 12:21:20 2013 Feb 20 12:21:20 sng02 dovecot: auth: Error: rebind in progress Feb 20 12:21:20 sng02 dovecot: auth: Error: queue is empty Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: * host: localhost port: 389 (default) Feb 20 12:21:20 sng02 dovecot: auth: Error: refcnt: 2 status: Connected Feb 20 12:21:20 sng02 dovecot: auth: Error: last used: Wed Feb 20 12:21:20 2013 Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Outstanding Requests: Feb 20 12:21:20 sng02 dovecot: auth: Error: * msgid 4, origid 4, status InProgress Feb 20 12:21:20 sng02 dovecot: auth: Error: outstanding referrals 0, parent count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: * msgid 2, origid 2, status RequestCompleted Feb 20 12:21:20 sng02 dovecot: auth: Error: outstanding referrals 1, parent count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 request count 2 (abandoned 0) Feb 20 12:21:20 sng02 dovecot: auth: Error: ** ld 0x6cba60 Response Queue: Feb 20 12:21:20 sng02 dovecot: auth: Error: Empty Feb 20 12:21:20 sng02 dovecot: auth: Error: ld 0x6cba60 response count 0 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList ld 0x6cba60 msgid 4 all 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_chkResponseList returns ld 0x6cba60 NULL Feb 20 12:21:20 sng02 dovecot: auth: Error: ldap_int_select Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid 4 all 1 Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 msgid 4 message type bind Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: ld 0x6cba60 0 new referrals Feb 20 12:21:20 sng02 dovecot: auth: Error: read1msg: mark request completed, ld 0x6cba60 msgid 4 Feb 20 12:21:22 sng02 postfix/smtpd[8928]: disconnect from localhost[127.0.0.1] Feb 20 12:23:55 sng02 dovecot: lda: Error: userdb lookup(marco.carcano): Request timed out Feb 20 12:23:55 sng02 dovecot: lda: Fatal: Internal error occurred. Refer to server log for more information. Feb 20 12:23:56 sng02 postfix/pipe[8897]: A38D4407F5: to=, orig_to=, relay=dovecot, delay=171, delays=16/0.01/0/155, dsn=4.3.0, status=deferred (temporary failure) Feb 20 12:24:10 sng02 dovecot: master: Warning: Killed with signal 15 (by pid=8946 uid=0 code=kill) Feb 20 12:24:10 sng02 dovecot: auth: ldap(marco.carcano): Shutting down Feb 20 12:24:10 sng02 dovecot: auth: Debug: master out: FAIL#0111 Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_unbind Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_free_request (origid 2, msgid 3) Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_free_request (origid 2, msgid 2) Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_free_connection 1 1 Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_send_unbind Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_free_connection: actually freed Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_free_connection 1 1 Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_send_unbind Feb 20 12:24:10 sng02 dovecot: auth: Error: ldap_free_connection: actually freed Feb 20 12:24:18 sng02 postfix/postfix-script[8962]: stopping the Postfix mail system Feb 20 12:24:18 sng02 postfix/master[8886]: terminating on signal 15

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