I have experienced the same issue on Solaris 9 with LDAP auth and Qpopper. If we push an LDAP client configuration which contains multiple LDAP servers, the system can authenticate IMAP, SMTP and SSH clients, but Qpopper doesn't authenticate until we return the LDAP configuration to a single host.
Christopher Crowley Technology Services Tulane University [EMAIL PROTECTED] 504.314.2535
