[Dovecot] Unable to authenticate system users in Dovecot 1.0rc25

[Malaney J. Hill]

Hello,

I recently installed dovecot1.0rc25 on my RHEL4 system running postfix and
wish to use both virtual and system users. Virtuals work fine, but I get
authentication failures with system users. I've tried pam, passwd and
shadow.


Attempting to telnet as system user
telnet localhost 143
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
* OK Dovecot ready.
a login user passwd
a NO Authentication failed.

and corresponding log
Mar  3 14:35:24 obvx dovecot: auth(default): client in: AUTH    1
PLAIN  service=IMAP     secured lip=127.0.0.1   rip=127.0.0.1
resp=AG1o*******************
Mar  3 14:35:27 obvx dovecot: auth(default): pam(myuser,127.0.0.1):
pam_authenticate() failed: Authentication failure
Mar  3 14:35:27 obvx dovecot: auth(default): passwd(myuser,127.0.0.1):
password mismatch
Mar  3 14:35:27 obvx dovecot: auth(default): client out: FAIL   1
user=myuser

Below is the output of dovecot -n
============
# /etc/dovecot.conf
protocols: imap pop3
ssl_disable: yes
disable_plaintext_auth: no
login_dir: /usr/local/var/run/dovecot/login
login_executable(default): /usr/local/libexec/dovecot/imap-login
login_executable(imap): /usr/local/libexec/dovecot/imap-login
login_executable(pop3): /usr/local/libexec/dovecot/pop3-login
first_valid_uid: 101
last_valid_uid: 101
mail_extra_groups: mail
mail_location: maildir:~/Maildir
mail_debug: yes
maildir_copy_with_hardlinks: yes
mail_executable(default): /usr/local/libexec/dovecot/imap
mail_executable(imap): /usr/local/libexec/dovecot/imap
mail_executable(pop3): /usr/local/libexec/dovecot/pop3
mail_plugins(default): quota imap_quota
mail_plugins(imap): quota imap_quota
mail_plugins(pop3): quota
mail_plugin_dir(default): /usr/local/lib/dovecot/imap
mail_plugin_dir(imap): /usr/local/lib/dovecot/imap
mail_plugin_dir(pop3): /usr/local/lib/dovecot/pop3
imap_client_workarounds(default): outlook-idle delay-newmail
imap_client_workarounds(imap): outlook-idle delay-newmail
imap_client_workarounds(pop3): outlook-idle
pop3_client_workarounds(default):
pop3_client_workarounds(imap):
pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh
auth default:
  user: nobody
  verbose: yes
  debug: yes
  debug_passwords: yes
  passdb:
    driver: sql
    args: /etc/dovecot/sql.conf
  passdb:
    driver: pam
    args: *
  passdb:
    driver: passwd
  userdb:
    driver: sql
    args: /etc/dovecot/sql.conf
  userdb:
    driver: passwd
  userdb:
    driver: prefetch
  socket:
    type: listen
    client:
      path: /var/spool/postfix/private/auth
      mode: 432
      user: postfix
      group: mail
    master:
      path: /var/run/dovecot/auth-master
      mode: 432
      user: vmail
      group: mail
plugin:
  quota: maildir:storage=10240:messages=1000
  trash: /etc/dovecot/trash.conf
=============

Thanks,

Malaney
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