[Dovecot] LDAP Authentication ok but errors

[Timo Sirainen]

On Tue, 2011-05-10 at 18:21 +0200, Héctor Moreno Blanco wrote:
> We have installed dovecot 2.0.10. With LDAP authentication. Users authenticate successfully but in the authentication process there are errors that I don't understand because it's everything all right:
> 
> May 10 18:00:49 carpe3 dovecot: auth: Error: ldap_unbind
> May 10 18:00:49 carpe3 dovecot: auth: Error: ldap_free_connection 1 1
> May 10 18:00:49 carpe3 dovecot: auth: Error: ldap_send_unbind
..

These are not errors, they are debug messages. They simply show up as
errors, because libldap writes them to stderr, and Dovecot treats all
such extra stderr input as errors.

> An here is my dovecot-ldap.conf:
> 
> # INFORMACIÓN DE CONEXIÓN AL LDAP
> debug_level =  -1

Set debug_level = 0 and those debug messages go away.