[Dovecot] 1.2.14 --- auth(default) Error: LDAP: Connection lost to LDAP server, reconnecting

Denny Schierz linuxmail at 4lin.net
Wed Sep 29 17:09:48 EEST 2010


hi,

I see in dovecots logfile some error messages:

Sep 29 15:33:43 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting
Sep 29 15:34:15 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting
Sep 29 15:34:50 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting
Sep 29 15:35:22 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting
Sep 29 15:36:01 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting
Sep 29 15:36:37 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting
Sep 29 15:37:16 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting
Sep 29 15:37:52 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting
Sep 29 15:38:24 auth(default): Error: LDAP: Connection lost to LDAP
server, reconnecting

I don't know, what could be the problem. I upgraded Dovecot from 1.2.13
to 1.2.14 to solving the problem, but ... no success. 

Our LDAP Server is 2.4.23 and works for our network without any
problems.

If I try to use ldapsearch from the Dovecot host, while I see the
messages, ldapsearch works withouch any timeout. I enabled caching for
auth too, but the problem still exists.

My DoveCot Config:

http://pastebin.com/W7zHf4fT

the LDAP part:

hosts = ldap ldap2
auth_bind = yes
ldap_version = 3
base = cn=accounts, dc=foo
user_attrs = postalAddress=domain, homeDirectory=/imap/spool/%d/%1n/%n,
myMailQuota=quota_rule=*:storage=%$M
user_filter = (&(objectClass=posixAccount)(uid=%n))
pass_attrs = postalAddress=domain, uid=user, userPassword=password
pass_filter = (&(objectClass=posixAccount)(uid=%n))
default_pass_scheme = MD5

any suggestions?

cu denny

ps. when does dovecot switches to ldap2? 
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