dovecot - Apr 2010 - dovecot-auth question

/export/rpoolbackup# dovecot -n
# 1.2.10: /local/etc/dovecot.conf
Warning: fd limit 256 is lower than what Dovecot can use under full load
(more than 768). Either grow the limit or change login_max_processes_count
and max_mail_processes settings # OS: SunOS 5.10 i86pc
protocols: imaps pop3s
ssl_cert_file: /local/ssl/certs/dovecot-cert.pem
ssl_key_file: /local/ssl/private/dovecot-key.pem
verbose_ssl: yes
login_dir: /local/var/run/dovecot/login
login_executable(default): /local/libexec/dovecot/imap-login
login_executable(imap): /local/libexec/dovecot/imap-login
login_executable(pop3): /local/libexec/dovecot/pop3-login
first_valid_uid: 101
mail_location: mbox:~/mail:INBOX=/var/mail/%u
mail_executable(default): /local/libexec/dovecot/imap
mail_executable(imap): /local/libexec/dovecot/imap
mail_executable(pop3): /local/libexec/dovecot/pop3
mail_plugin_dir(default): /local/lib/dovecot/imap
mail_plugin_dir(imap): /local/lib/dovecot/imap
mail_plugin_dir(pop3): /local/lib/dovecot/pop3 auth default:
  verbose: yes
  debug: yes
  passdb:
    driver: pam
  userdb:
    driver: passwd
-----

We recently moved to dovecot and after few little configuration problem
our dovecot seems to be running without problems for the most part, but I
am seeing the following error in /var/adm/messages about ever 3 minutes.

Apr  5 09:13:23 gauss.math.purdue.edu dovecot-auth[14359]: [ID 293258
user.error] libsldap: Status: 49  Mesg: openConnection: simple bind failed
- Invalid credentials

I would like to try and find out what user connection is causing this
message. I have turned on most of the verbose logging but I cannot see
anything in any logs that might give me the information.

Can someone give me guidance on how I can track this down.

Thanks

Robert



_____________________________________________________________________
Robert P. McGraw, Jr.
Manager, Computer System                    EMAIL: rmcgraw at purdue.edu
Purdue University                            ROOM: MATH-807
Department of Mathematics                   PHONE: (765) 494-6055
150 N. University Street
West Lafayette, IN 47907-2067

On Mon, 2010-04-05 at 10:20 -0400, rmcgraw at math.purdue.edu
wrote:
>   passdb:
>     driver: pam
>   userdb:
>     driver: passwd
> -----
> 
> We recently moved to dovecot and after few little configuration problem
> our dovecot seems to be running without problems for the most part, but I
> am seeing the following error in /var/adm/messages about ever 3 minutes.
> 
> Apr  5 09:13:23 gauss.math.purdue.edu dovecot-auth[14359]: [ID 293258
> user.error] libsldap: Status: 49  Mesg: openConnection: simple bind failed
> - Invalid credentials
This message comes from pam_ldap or nss_ldap (or whatever other pam/nss
plugin that tries to use LDAP). You can't do anything about them on
Dovecot's side.

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