Problems with murder on debian

[Oscar Nuñez]

Hi folks,

I have an Cyrus murder (on Debian Lenny) that is very small: 1 mupdate, 1
frontend and 1 backend.

The backend and mupdate is ok. The problem is the frontend.

When I try to access through SELECT INBOX to a user account from frontend to
backend the follow error appear:
. NO Server(s) unavailable to complete operation

In the log appear:
connect(server) failed: Invalid argument

The files of configuration are:

imap.conf on Frontend:
#----------------------------------------------------------#
configdirectory: /var/lib/cyrus
defaultpartition: default
partition-default: /var/spool/cyrus/mail
partition-news: /var/spool/cyrus/news
newsspool: /var/spool/news
altnamespace: no
allowusermoves: yes
allowsubscribes: yes
unixhierarchysep: no
lmtp_downcase_rcpt: yes
admins: cyrus
allowanonymouslogin: no
popminpoll: 1
autocreatequota: 0
umask: 077
sendmail: /usr/sbin/sendmail
sieveusehomedir: false
sievedir: /var/spool/sieve
hashimapspool: true
allowplaintext: yes
sasl_mech_list: login plain
sasl_minimum_layer: 0
sasl_pwcheck_method: auxprop
sasl_auxprop_plugin: sasldb
mupdate_server: 200.1.16.125
mupdate_port: 3905
mupdate_username: mupdateman
mupdate_authname: mupdateman
mupdate_realm: auxprop
mupdate_password: mupdateman
proxy_authname: frontend
proxy_password: frontend
proxyd_disable_mailbox_referrals: 1
#---------------------------------------------------#

imap.conf on Backend:
#----------------------------------------------------#
configdirectory: /var/lib/cyrus
defaultpartition: default
partition-default: /var/spool/cyrus/mail
partition-news: /var/spool/cyrus/news
newsspool: /var/spool/news
altnamespace: no
allowusermoves: yes
allowsubscribes: yes
unixhierarchysep: no
lmtp_downcase_rcpt: yes
admins: cyrus frontend
proxyservers: cyrus frontend
allowanonymouslogin: no
popminpoll: 1
autocreatequota: 0
umask: 077
sendmail: /usr/sbin/sendmail
sieveusehomedir: false
sievedir: /var/spool/sieve
hashimapspool: true
allowplaintext: yes
sasl_mech_list: LOGIN PLAIN
sasl_minimum_layer: 0
sasl_pwcheck_method: auxprop
sasl_auxprop_plugin: sasldb
mupdate_server: 200.1.16.125
mupdate_port: 3905
mupdate_username: mupdateman
mupdate_authname: mupdateman
mupdate_realm: auxprop
mupdate_password: mupdateman

imap.conf Mupdate:
#---------------------------------------------------#
configdirectory: /var/lib/cyrus
defaultpartition: default
partition-default: /var/spool/cyrus/mail
partition-news: /var/spool/cyrus/news
newsspool: /var/spool/news
altnamespace: no
unixhierarchysep: no
lmtp_downcase_rcpt: yes
admins: mupdateman
mupdate_admins: mupdateman
allowanonymouslogin: no
popminpoll: 1
autocreatequota: 0
umask: 077
sendmail: /usr/sbin/sendmail
sieveusehomedir: false
sievedir: /var/spool/sieve
hashimapspool: true
allowplaintext: yes
sasl_mech_list: PLAIN LOGIN
sasl_pwcheck_method: saslauthd
sasl_auxprop_plugin: sasldb
#-------------------------------------------------#

any idea of what has happended
I hope your answers

-- 
ATTE
Oscar Nunez
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