vpopmail 5.5 - openldap connection problem

hi all,

I try to use the new vpopmail 5.5 with openldap backend i compile all 
without error ( install libdev also).
I setting my connection data on /home/vpopmail/etc/vpopmail.openldap (i 
have the openldap 2.4.21 server on another machine) but each vpopmail 
command say me:
ldap_simple_bind_s failed: Can't contact LDAP server
Error - Success. Initial open.

I have the openldap server configured with vpopmail.ldif  and 
vpopmail.schema imported correctly.
This error suggest me that the connection can't enstabilished, but i try 
ldapsearch command from mail server with good result (the server's are 
connected)

someone can help me ?
any suggestion are welcome.

Alessandro Speziali

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