[Dovecot] unknown users

Averlon c38sgzkz at averlon.net
Mon Jan 7 21:00:37 EET 2013 

Hi,
can anyone tell me where these "unknown users" come from.

As far as I see the fact, dovecot is asked by postfix to look for the
password of the recipient-user (why ever).

+++
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: initializing the
server-side TLS engine
Jan  7 19:43:09 f42252se postfix/tlsmgr[14627]: open smtpd TLS cache
btree:/var/lib/postfix/smtpd_scache
Jan  7 19:43:09 f42252se postfix/tlsmgr[14627]: tlsmgr_cache_run_event:
start TLS smtpd session cache cleanup
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: connect from
f42252ud.averlon.loc[192.168.110.165]
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: setting up TLS connection
from f42252ud.averlon.loc[192.168.110.165]
Jan  7 19:43:09 f42252se postfix/smtpd[14625]:
f42252ud.averlon.loc[192.168.110.165]: TLS cipher list
"aNULL:-aNULL:ALL:+RC4:@STRENGTH"
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:before/accept
initialization
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 read
client hello A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 write
server hello A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 write
certificate A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 write
key exchange A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 write
server done A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 flush data
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 read
client key exchange A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 read
finished A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 write
session ticket A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 write
change cipher spec A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 write
finished A
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: SSL_accept:SSLv3 flush data
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: Anonymous TLS connection
established from f42252ud.averlon.loc[192.168.110.165]: TLSv1 with
cipher ECDHE-RSA-AES256-SHA (256/256 bits)
Jan  7 19:43:09 f42252se dovecot: auth: Debug: Loading modules from
directory: /usr/lib/dovecot/modules/auth
Jan  7 19:43:09 f42252se dovecot: auth: Debug: Module loaded:
/usr/lib/dovecot/modules/auth/libauthdb_ldap.so
Jan  7 19:43:09 f42252se dovecot: auth: Debug: auth client connected
(pid=14625)
Jan  7 19:43:09 f42252se dovecot: auth: Debug: client in:
AUTH#0111#011PLAIN#011service=smtp#011nologin#011lip=192.168.110.150#011rip=192.168.110.165#011secured#011resp=<hidden>
Jan  7 19:43:09 f42252se dovecot: auth: Debug:
ldap(avadmin,192.168.110.165): pass search:
base=ou=user,dc=averlon,dc=loc scope=onelevel
filter=(&(objectClass=posixAccount)(uid=avadmin)) fields=uid,userPassword
Jan  7 19:43:09 f42252se dovecot: auth: Debug:
ldap(avadmin,192.168.110.165): result: uid(user)=avadmin
userPassword(password)=<hidden>
Jan  7 19:43:09 f42252se dovecot: auth: Debug: client out:
OK#0111#011user=avadmin
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: 9A86C30007C:
client=f42252ud.averlon.loc[192.168.110.165], sasl_method=PLAIN,
sasl_username=avadmin
Jan  7 19:43:09 f42252se postfix/cleanup[14631]: 9A86C30007C:
message-id=<50EB173B.5090109 at av.loc>
Jan  7 19:43:09 f42252se postfix/qmgr[14561]: 9A86C30007C:
from=<avadmin at av.loc>, size=1227, nrcpt=1 (queue active)
Jan  7 19:43:09 f42252se postfix/smtpd[14625]: disconnect from
f42252ud.averlon.loc[192.168.110.165]
Jan  7 19:43:11 f42252se postfix/pickup[14560]: BE0AC30007F: uid=5002
from=<avadmin at av.loc>
Jan  7 19:43:11 f42252se postfix/cleanup[14631]: BE0AC30007F:
message-id=<50EB173B.5090109 at av.loc>
Jan  7 19:43:11 f42252se postfix/qmgr[14561]: BE0AC30007F:
from=<avadmin at av.loc>, size=1534, nrcpt=1 (queue active)
Jan  7 19:43:11 f42252se postfix/pipe[14632]: 9A86C30007C:
to=<redmine at averlon.loc>, relay=spamassassin, delay=2.2,
delays=0.05/0/0/2.1, dsn=2.0.0, status=sent (delivered via spamassassin
service)
Jan  7 19:43:11 f42252se postfix/qmgr[14561]: 9A86C30007C: removed
Jan  7 19:43:11 f42252se dovecot: auth: Debug: master in:
USER#0111#011redmine at averlon.loc#011service=lda
Jan  7 19:43:11 f42252se dovecot: auth: Debug:
ldap(redmine at averlon.loc): pass search: base=ou=user,dc=averlon,dc=loc
scope=onelevel
filter=(&(objectClass=posixAccount)(uid=redmine at averlon.loc))
fields=uid,userPassword
Jan  7 19:43:11 f42252se dovecot: auth: ldap(redmine at averlon.loc):
*unknown user*
Jan  7 19:43:11 f42252se dovecot: auth: Debug: master out: NOTFOUND#0111
Jan  7 19:43:11 f42252se postfix/pipe[14637]: BE0AC30007F:
to=<redmine at averlon.loc>, relay=dovecot, delay=0.02, delays=0/0/0/0.01,
dsn=5.1.1, status=bounced (user unknown)
Jan  7 19:43:11 f42252se postfix/cleanup[14631]: C279030007E:
message-id=<20130107184311.C279030007E at mail.av.loc>
Jan  7 19:43:11 f42252se postfix/qmgr[14561]: C279030007E: from=<>,
size=3182, nrcpt=1 (queue active)
Jan  7 19:43:11 f42252se postfix/bounce[14639]: BE0AC30007F: sender
non-delivery notification: C279030007E
Jan  7 19:43:11 f42252se postfix/qmgr[14561]: BE0AC30007F: removed
Jan  7 19:43:11 f42252se dovecot: auth: Debug: master in:
USER#0111#011avadmin at av.loc#011service=lda
Jan  7 19:43:11 f42252se dovecot: auth: Debug: ldap(avadmin at av.loc):
pass search: base=ou=user,dc=averlon,dc=loc scope=onelevel
filter=(&(objectClass=posixAccount)(uid=avadmin at av.loc))
fields=uid,userPassword
Jan  7 19:43:11 f42252se dovecot: auth: ldap(avadmin at av.loc): *unknown user*
Jan  7 19:43:11 f42252se dovecot: auth: Debug: master out: NOTFOUND#0111
Jan  7 19:43:11 f42252se postfix/pipe[14637]: C279030007E:
to=<avadmin at av.loc>, relay=dovecot, delay=0.01, delays=0/0/0/0.01,
dsn=5.1.1, status=bounced (user unknown)
Jan  7 19:43:11 f42252se postfix/qmgr[14561]: C279030007E: removed
Jan  7 19:43:21 f42252se dovecot: auth: Debug: auth client connected
(pid=14644)
Jan  7 19:43:21 f42252se dovecot: auth: Debug: client in:
AUTH#0111#011PLAIN#011service=pop3#011secured#011lip=192.168.110.150#011rip=192.168.110.165#011lport=995#011rport=43070
Jan  7 19:43:21 f42252se dovecot: auth: Debug: client out: CONT#0111#011
Jan  7 19:43:21 f42252se dovecot: auth: Debug: client in: CONT<hidden>
Jan  7 19:43:21 f42252se dovecot: auth: Debug:
ldap(qx42252006,192.168.110.165): pass search:
base=ou=user,dc=averlon,dc=loc scope=onelevel
filter=(&(objectClass=posixAccount)(uid=qx42252006)) fields=uid,userPassword
Jan  7 19:43:21 f42252se dovecot: auth: Debug:
ldap(qx42252006,192.168.110.165): result: uid(user)=qx42252006
userPassword(password)=<hidden>
Jan  7 19:43:21 f42252se dovecot: auth: Debug: client out:
OK#0111#011user=qx42252006
Jan  7 19:43:21 f42252se dovecot: auth: Debug: master in:
REQUEST#0113145334785#01114644#0111#0115f6241afb0ff05d6b901a9a1edd65840
Jan  7 19:43:21 f42252se dovecot: auth: Debug: master out:
USER#0113145334785#011qx42252006#011uid=5000#011gid=5000#011home=/home/vmail/qx42252006
Jan  7 19:43:21 f42252se dovecot: pop3-login: Login: user=<qx42252006>,
method=PLAIN, rip=192.168.110.165, lip=192.168.110.150, mpid=14646, TLS
Jan  7 19:43:21 f42252se dovecot: pop3(qx42252006): Disconnected: Logged
out top=0/0, retr=0/0, del=0/0, size=0
Jan  7 19:43:27 f42252se dovecot: auth: Debug: auth client connected
(pid=14649)
Jan  7 19:43:28 f42252se dovecot: auth: Debug: client in:
AUTH#0111#011PLAIN#011service=pop3#011secured#011lip=192.168.110.150#011rip=192.168.110.165#011lport=995#011rport=43071
Jan  7 19:43:28 f42252se dovecot: auth: Debug: client out: CONT#0111#011
Jan  7 19:43:28 f42252se dovecot: auth: Debug: client in: CONT<hidden>
Jan  7 19:43:28 f42252se dovecot: auth: Debug:
ldap(avadmin,192.168.110.165): pass search:
base=ou=user,dc=averlon,dc=loc scope=onelevel
filter=(&(objectClass=posixAccount)(uid=avadmin)) fields=uid,userPassword
Jan  7 19:43:28 f42252se dovecot: auth: Debug:
ldap(avadmin,192.168.110.165): result: uid(user)=avadmin
userPassword(password)=<hidden>
Jan  7 19:43:28 f42252se dovecot: auth: Debug: client out:
OK#0111#011user=avadmin
Jan  7 19:43:28 f42252se dovecot: auth: Debug: master in:
REQUEST#0113661234177#01114649#0111#011abd1ac9fcd3ced2d9b01e090f3703ac0
Jan  7 19:43:28 f42252se dovecot: auth: Debug: master out:
USER#0113661234177#011avadmin#011uid=5000#011gid=5000#011home=/home/vmail/avadmin
Jan  7 19:43:28 f42252se dovecot: pop3-login: Login: user=<avadmin>,
method=PLAIN, rip=192.168.110.165, lip=192.168.110.150, mpid=14650, TLS
Jan  7 19:43:28 f42252se dovecot: pop3(avadmin): Disconnected: Logged
out top=0/0, retr=0/0, del=0/2, size=4872
Jan  7 19:44:31 f42252se dovecot: auth: Debug: auth client connected
(pid=14694)
Jan  7 19:44:31 f42252se dovecot: auth: Debug: client in:
AUTH#0111#011PLAIN#011service=pop3#011secured#011lip=192.168.110.150#011rip=192.168.110.165#011lport=995#011rport=43073
Jan  7 19:44:31 f42252se dovecot: auth: Debug: client out: CONT#0111#011
Jan  7 19:44:31 f42252se dovecot: auth: Debug: client in: CONT<hidden>
Jan  7 19:44:31 f42252se dovecot: auth: Debug:
ldap(qx42252008,192.168.110.165): pass search:
base=ou=user,dc=averlon,dc=loc scope=onelevel
filter=(&(objectClass=posixAccount)(uid=qx42252008)) fields=uid,userPassword
Jan  7 19:44:31 f42252se dovecot: auth: Debug:
ldap(qx42252008,192.168.110.165): result: uid(user)=qx42252008
userPassword(password)=<hidden>
Jan  7 19:44:31 f42252se dovecot: auth: Debug: client out:
OK#0111#011user=qx42252008
Jan  7 19:44:31 f42252se dovecot: auth: Debug: master in:
REQUEST#011251920385#01114694#0111#011db7eed58edf0149fd176446b57c20a33
Jan  7 19:44:31 f42252se dovecot: auth: Debug: master out:
USER#011251920385#011qx42252008#011uid=5000#011gid=5000#011home=/home/vmail/qx42252008
Jan  7 19:44:31 f42252se dovecot: pop3-login: Login: user=<qx42252008>,
method=PLAIN, rip=192.168.110.165, lip=192.168.110.150, mpid=14698, TLS

+++
Tell me what you need as additional info.

Thanks for help
-- 
Signatur Averlon info

 

Mit freundlichen Grüßen / Kind Regards

Karl-Heinz Fischbach

 

Skype: khfischbach
jabber: averlon at jabber.org
Blog: averlon.posterous.com

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