pop server

[niti]

hi all   i m trying to run qmail server on hp-ux 11.0 with ldap database for pop authentication. my pop server is not allowing to recieve mails .I says it cannot authenticate the password. on my mail server qmail-ldaplookup does not resolve users details from ldap. what am i doing wrong ....   hlp soon     output of qmail-ldaplookup is as foll   init_ldap:      passwords are compared via rebind                 localdelivery:   on                 clustering:      off                 ldapobjectclass:                 homedirmaker:    /var/qmail/bin/create_homedir                 defaultDotMode:  ldaponly                 defaultQuota:    2000000S, 100M                 QuotaWarning: ------ the user mail box is over allowed quota   ------ qldap_open:     NOT successful: binding to ldap server failed