Axel Thimm wrote:
On Mon, Oct 23, 2006 at 11:04:18AM +0300, "Αποστόλης Παπαγιαννάκης (Apostolis Papagiannakis)" wrote:
  
I've had similar "User unknowns" with nscd in the past. I was using 
dovecot ->getpwent -> nscd -> nss_ldap ->  LDAP.
    

Are you using ldapi?
  

In /etc/ldap.conf  (nss_ldap conf file) I use two ldap servers as "ldaps" URIs.

# /etc/ldap.conf
uri ldaps://ldap1.auth.gr/ ldaps://ldap2.auth.gr/

apap