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Have a strange problem with just POP3 users. Their email clients will
fail every so often with the following:
Logging into POP Server, PASS [09:16:29 PM]
There has been an error transferring your mail. I said PASS <shhhh!
Don't tell anyone.> and then the POP server
(user at mail.engr.colostate.edu) said: ERR Authentication failed.
This example is from a Eudora client, but same things happen with
Thunderbird and Outlook.
Here are logs. This user has his client checking every 10 minutes.
First log entry here is last good one before it fails:
Oct 28 21:06:27 goku dovecot: [ID 107833 mail.info] auth(default):
client in: AUTH 1 PLAIN service=pop3 secured
lip=129.82.224.16 rip=129.82.224.206 lport=110
rport=3716 resp=<hidden>Oct 28 21:06:27 goku dovecot: [ID 107833
mail.info] auth-worker(default): pam(us
er,129.82.224.206): lookup service=dovecotOct 28 21:06:27 goku dovecot:
[ID 107833 mail.info] auth-worker(default): pam(us
er,129.82.224.206): #1/1 style=1 msg=Password:Oct 28 21:06:27 goku
dovecot: [ID 107833 mail.info] auth(default): client out: O
K 1 user=user
Oct 28 21:06:27 goku dovecot: [ID 107833 mail.info] auth(default):
master in: REQUEST 387983 2809 1
Oct 28 21:06:27 goku dovecot: [ID 107833 mail.info]
auth-worker(default): passwd(user,129.82.224.206): lookup
Oct 28 21:06:27 goku dovecot: [ID 107833 mail.info] auth(default):
master out: USER 387983 user system_user=user uid=12550
gid=32 home=/to
p/admin/ENS/people/user/home
Oct 28 21:06:27 goku dovecot: [ID 107833 mail.info] pop3-login: Login:
user=<use
r>, method=PLAIN, rip=129.82.224.206, lip=129.82.224.16, TLS
Oct 28 21:06:27 goku dovecot: [ID 107833 mail.info] POP3(user):
Effective uid=12
550, gid=32
Everything went fine here, then the next auth attempt fails:
Oct 28 21:16:27 goku dovecot: [ID 107833 mail.info] auth(default):
client in: AUTH 1 PLAIN service=pop3 secured
lip=129.82.224.16 rip=129.82.224.206 lport=110
rport=3757 resp=<hidden>Oct 28 21:16:27 goku dovecot: [ID 107833
mail.info] auth-worker(default): pam(user,129.82.224.206): lookup
service=dovecotOct 28 21:16:27 goku dovecot: [ID 107833 mail.info]
auth-worker(default): pam(user,129.82.224.206): #1/1 style=1
msg=Password:Oct 28 21:16:27 goku dovecot: [ID 107833 mail.error]
auth-worker(default): pam(user,129.82.224.206): pam_authenticate()
failed: No account present for user
Oct 28 21:16:27 goku dovecot: [ID 107833 mail.info]
auth-worker(default): passwd(user,129.82.224.206): lookup
Oct 28 21:16:27 goku dovecot: [ID 107833 mail.info]
auth-worker(default): passwd(user,129.82.224.206): Password mismatch
Running dovecot 1.1.3 on Solaris 10
goku % ./dovecot -n
# 1.1.3: /userM/mail-services/dovecot/etc/dovecot.conf
Warning: fd limit 256 is lower than what Dovecot can use under full load
(more than 3072). Either grow the limit or change
login_max_processes_count and max_mail_processes settings
base_dir: /userM/mail-services/dovecot/var/run/dovecot/
protocols: imap imaps pop3 pop3s
ssl_cert_file: /userM/mail-services/dovecot/etc/ssl/dovecot.pem
ssl_key_file: /userM/mail-services/dovecot/etc/ssl/privkey.pem
ssl_parameters_regenerate: 0
ssl_cipher_list: MEDIUM:!LOW
disable_plaintext_auth: no
login_dir: /userM/mail-services/dovecot/var/run/dovecot/login
login_executable(default):
/userM/mail-services/dovecot/libexec/dovecot/imap-login
login_executable(imap):
/userM/mail-services/dovecot/libexec/dovecot/imap-login
login_executable(pop3):
/userM/mail-services/dovecot/libexec/dovecot/pop3-login
login_greeting: Cyrus ready.
login_max_processes_count: 1024
max_mail_processes: 1024
mail_location: mbox:~/:INBOX=/userM/mail/%u
mail_debug: yes
mmap_disable: yes
mail_nfs_index: yes
mbox_write_locks: fcntl dotlock
mbox_dotlock_change_timeout: 60
mail_executable(default): /userM/mail-services/dovecot/libexec/dovecot/imap
mail_executable(imap): /userM/mail-services/dovecot/libexec/dovecot/imap
mail_executable(pop3): /userM/mail-services/dovecot/libexec/dovecot/pop3
mail_plugins(default): convert
mail_plugins(imap): convert
mail_plugins(pop3):
mail_plugin_dir(default): /userM/mail-services/dovecot/lib/dovecot/imap
mail_plugin_dir(imap): /userM/mail-services/dovecot/lib/dovecot/imap
mail_plugin_dir(pop3): /userM/mail-services/dovecot/lib/dovecot/pop3
auth default:
mechanisms: plain login
verbose: yes
debug: yes
worker_max_count: 1024
worker_max_request_count: 20000
passdb:
driver: pam
passdb:
driver: passwd
args: blocking=yes
userdb:
driver: passwd
args: blocking=yes
socket:
type: listen
client:
path: /var/lib/postfix/private/auth
mode: 438
user: postfix
group: postfix
master:
path: /userM/mail-services/dovecot/var/run/dovecot//auth-master
mode: 384
plugin:
convert_mail: Maildir:~/Maildir:INBOX=/userM/mail/%u
- --
C. J. Keist Email: cj.keist at colostate.edu
UNIX/Network Manager Phone: 970-491-0630
Engineering Network Services Fax: 970-491-5569
College of Engineering, CSU
Ft. Collins, CO 80523-1301
All I want is a chance to prove 'Money can't buy happiness'
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