Courier-imap not connecting

I am unable to authenticate via either Squirrelmail or Pine.

I've got Jamm working as far as being able to create virtual domains & 
users. I have sent a test message to such a user and Postfix correctly 
creates the file in /home/vmail/domains.

I have set the domain name to hosting.example just to make sure 
everything works according to the Howto.

This is what I get in the ldap.log after an unsuccessful login attempt 
via Squirellmail..

May  2 18:52:36 jamm slapd[1496]: conn=22 fd=12 ACCEPT from 
IP=127.0.0.1:32810 (IP=0.0.0.0:389)
May  2 18:52:36 jamm slapd[1496]: conn=22 op=0 BIND dn="" method=128
May  2 18:52:36 jamm slapd[1496]: conn=22 op=0 RESULT tag=97 err=2 
text=requested protocol version not allowed
May  2 18:52:36 jamm slapd[1496]: conn=22 op=1 UNBIND
May  2 18:52:36 jamm slapd[1496]: conn=22 fd=12 closed



Here is the contents of the Courier-IMAP config files excluding comments 
and blank lines...


authdaemonrc:
authmodulelist="authldap authpam"
authmodulelistorig="authcustom authcram authuserdb authldap authpgsql 
authmysql authpam"
daemons=5
version=""


authldaprc:
LDAP_SERVER             127.0.0.1
LDAP_PORT               389
LDAP_BASEDN             o=hosting, dc=myhosting, dc=example
LDAP_TIMEOUT            5
LDAP_AUTHBIND           1
LDAP_MAIL               mail
LDAP_FILTER             
(objectClass=JammMailAccount)(accountActive=TRUE)(delete=FALSE)
LDAP_DOMAIN             myhosting.example
LDAP_GLOB_UID           vmail
LDAP_GLOB_GID           vmail
LDAP_HOMEDIR            homeDirectory
LDAP_MAILDIR            mailbox
LDAP_DEFAULTDELIVERY    defaultDelivery
LDAP_FULLNAME           cn
LDAP_CLEARPW            clearPassword
LDAP_CRYPTPW            userPassword
LDAP_DEREF              never
LDAP_TLS                0


imapd:
ADDRESS=127.0.0.1
PORT=143
MAXDAEMONS=40
MAXPERIP=4
PIDFILE=/var/run/imapd.pid
TCPDOPTS="-nodnslookup -noidentlookup"
AUTHMODULES="authdaemon"
AUTHMODULES_ORIG="authdaemon"
DEBUG_LOGIN=0
IMAP_CAPABILITY="IMAP4rev1 UIDPLUS CHILDREN NAMESPACE 
THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE"
IMAP_KEYWORDS=1
IMAP_CAPABILITY_ORIG="IMAP4rev1 UIDPLUS CHILDREN NAMESPACE 
THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA AUTH=CRAM-MD5 
AUTH=CRAM-SHA1 IDLE"
IMAP_IDLE_TIMEOUT=60
IMAP_CAPABILITY_TLS="$IMAP_CAPABILITY AUTH=PLAIN"
IMAP_CAPABILITY_TLS_ORIG="$IMAP_CAPABILITY_ORIG AUTH=PLAIN"
IMAP_DISABLETHREADSORT=0
IMAP_CHECK_ALL_FOLDERS=0
IMAP_OBSOLETE_CLIENT=0
IMAP_ULIMITD=65536
IMAP_USELOCKS=0
IMAP_ENHANCEDIDLE=0
IMAP_TRASHFOLDERNAME=Trash
IMAP_EMPTYTRASH=Trash:7
IMAP_MOVE_EXPUNGE_TO_TRASH=0
SENDMAIL=/usr/sbin/sendmail
HEADERFROM=X-IMAP-Sender
IMAPDSTART=YES
IMAP_MAILDIR_CREATOR="/usr/share/courier/auto_maildir_creator"
MOD_MAILDIR_CREATOR="/bin/false"


Any clues much appreciated. Thanks,
SimonB


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