Application Development Software

Hi,
When i check mail via Outlook Express, i get the error : ERR Authentication Failed.

Here are some infomation :

Mail system has 3 server. The first for SMTP, HTTP, POP and IMAP session with Multipexor installation, the second for LDAP server and mail database on the last.

Version of the first server :
iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)
libimta.so 5.2 Patch 2 (built 19:30:12, Jul 14 2004)
SunOS FrontEndMail03 5.9 Generic_112233-12 sun4u sparc SUNW,Ultra-5_10

The error log : (1st server)
#more PopProxy_20070125.log
20070125 101725 PopProxyAService.cfg (sid 0x3bb92c) session start, client IP 192.168.5.36:22692, server IP 192.168.1.10:110
20070125 101725 PopProxyAService.cfg (sid 0x3bb92c) USER login
20070125 101725 PopProxyAService.cfg (ldap 0x3bbb10 0x3bf39c) search error: no such object ( 32)
20070125 101725 PopProxyAService.cfg (ldap 0x3bbb10 0x3bf39c) search connection closed
20070125 101725 PopProxyAService.cfg (sid 0x3bb92c) no LDAP matches for search dc=misoft,dc=com,o=internet
20070125 101725 PopProxyAService.cfg (ldap 0x3bbb10 0x3bf25c) search error: no such object ( 32)
20070125 101725 PopProxyAService.cfg (ldap 0x3bbb10 0x3bf25c) search connection closed
20070125 101725 PopProxyAService.cfg (sid 0x3bb92c) no LDAP matches for search (uid=pa)
20070125 101725 PopProxyAService.cfg (sid 0x3bb92c) no server for user pa@misoft.com
20070125 101725 PopProxyAService.cfg (sid 0x3bb92c) badguy 192.168.5.36 now has 1 badness
20070125 101726 PopProxyAService.cfg (sid 0x3bb92c) client socket IO error 0
20070125 101726 PopProxyAService.cfg (sid 0x3bb92c) 0 C->S bytes, 0 S->C bytes in 1 seconds
20070125 101726 PopProxyAService.cfg (sid 0x3bb92c) session end

My PopProxyAService.cfg :
default:LdapUrl "ldap://Server-LDAP.misoft.com:10389/o=internet"
default:LogDir /usr/iplanet/server5/mmp-FrontEndMail03/log
default:LogLevel 5
default:SearchFormat (uid=%U)
default:VirtualDomainFile /usr/iplanet/server5/mmp-FrontEndMail03/vdmap.cfg
default:VirtualDomainDelim @
default:CanonicalVirtualDomainDelim @
default:MailHostAttrs mailHost
default:PreAuth no
default:AuthCacheSize 0
default:AuthCacheTTL 0
default:BGMax 0
default:BGPenalty 0
default:ConnLimits 0.0.0.0|0.0.0.0:20
default:LdapCacheSize 0
default:LdapCacheTTL 0
default:HostedDomains yes

My /etc/hosts
192.168.1.11 Server-LDAP.misoft.com

What am I missing ?

Regards,
all4ims