[Dovecot] Dovecot Periodically Stops Authenticating Users

David Gitman david at gitman.net
Sat Sep 15 14:27:07 EEST 2007


Hi,

It seems that my dovecot installation periodically stops  
authenticating users. Restarting dovecot resolves the issue  
temporarily. I'm authenticating via PAM to OpenLDAP on a CentOS 4  
box. I've seen several related posts about this issue but no resolution.

My logs show:
Sep 15 03:58:24 server01 dovecot: imap-login: Can't connect to auth  
server at default: Resource temporarily unavailable
Sep 15 03:58:24 server01 dovecot: imap-login: Can't connect to auth  
server at default: Resource temporarily unavailable


And my configuration is:
/usr/sbin/dovecot --version
1.0.3
/usr/sbin/dovecot -n
# 1.0.3: /etc/dovecot.conf
login_dir: /var/run/dovecot/login
login_executable(default): /usr/libexec/dovecot/imap-login
login_executable(imap): /usr/libexec/dovecot/imap-login
login_executable(pop3): /usr/libexec/dovecot/pop3-login
mail_location: maildir:~/mail
mail_executable(default): /usr/libexec/dovecot/imap
mail_executable(imap): /usr/libexec/dovecot/imap
mail_executable(pop3): /usr/libexec/dovecot/pop3
mail_plugin_dir(default): /usr/lib/dovecot/imap
mail_plugin_dir(imap): /usr/lib/dovecot/imap
mail_plugin_dir(pop3): /usr/lib/dovecot/pop3
auth default:
   passdb:
     driver: pam
   userdb:
     driver: passwd

Any ideas on how to resolve this? Thanks!

-david






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