CentOS 6 PostFix fatal: connect #11 to subsystem [...]/proxymap: No such file o

Hello I have a configuration problem of my mail server on Centos6, I followed this tutorial :

http://www.howtoforge.com/perfect-server-centos-6.0-x86_64-ispconfig-3


"fatal: connect #11 to subsystem /etc/postfix/private/proxymap: No such file or directory"
ISPConfig Log

Code:

Sep 23 09:33:24 mkbprod01 postfix/trivial-rewrite[22252]: fatal: connect #11 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:33:25 mkbprod01 postfix/smtpd[22268]: warning: connect #5 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:33:25 mkbprod01 postfix/master[29057]: warning: process /usr/libexec/postfix/trivial-rewrite pid 22252 exit status 1
Sep 23 09:33:25 mkbprod01 postfix/master[29057]: warning: /usr/libexec/postfix/trivial-rewrite: bad command startup -- throttling
Sep 23 09:33:35 mkbprod01 postfix/smtpd[22268]: warning: connect #6 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:33:45 mkbprod01 postfix/smtpd[22268]: warning: connect #7 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:33:55 mkbprod01 postfix/smtpd[22268]: warning: connect #8 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:34:05 mkbprod01 postfix/smtpd[22268]: warning: connect #9 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:34:15 mkbprod01 postfix/smtpd[22268]: warning: connect #10 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:34:25 mkbprod01 postfix/smtpd[22268]: fatal: connect #11 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:34:25 mkbprod01 postfix/trivial-rewrite[22299]: warning: connect #1 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:34:26 mkbprod01 postfix/master[29057]: warning: process /usr/libexec/postfix/smtpd pid 22268 exit status 1
Sep 23 09:34:26 mkbprod01 postfix/master[29057]: warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling
Sep 23 09:34:35 mkbprod01 postfix/trivial-rewrite[22299]: warning: connect #2 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:34:45 mkbprod01 postfix/trivial-rewrite[22299]: warning: connect #3 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:34:52 mkbprod01 clamd.amavisd[31642]: SelfCheck: Database status OK.
Sep 23 09:34:55 mkbprod01 postfix/trivial-rewrite[22299]: warning: connect #4 to subsystem /etc/postfix/private/proxymap: No such file or directory
Sep 23 09:35:01 mkbprod01 pop3d: Connection, ip=[::1]
Sep 23 09:35:01 mkbprod01 pop3d: Disconnected, ip=[::1]
Sep 23 09:35:01 mkbprod01 imapd: Connection, ip=[::1]
Sep 23 09:35:01 mkbprod01 imapd: Disconnected, ip=[::1], time=0

postconf -n

Code:

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
body_checks = regexp:/etc/postfix/body_checks
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = amavis:[127.0.0.1]:10024
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
header_checks = regexp:/etc/postfix/header_checks
html_directory = no
inet_interfaces = all
inet_protocols = all
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mime_header_checks = regexp:/etc/postfix/mime_header_checks
mydestination = mkbprod01.ikoula.com, localhost, localhost.localdomain
mydomain = mkbprod01.ikoula.com
myhostname = mkbprod01.ikoula.com
mynetworks = 192.168.100.0/24, 127.0.0.0/8 [::1]/128
nested_header_checks = regexp:/etc/postfix/nested_header_checks
newaliases_path = /usr/bin/newaliases.postfix
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps
queue_directory = /etc/postfix
readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES
receive_override_options = no_address_mappings
relay_domains = mysql:/etc/postfix/mysql-virtual_relaydomains.cf
relay_recipient_maps = mysql:/etc/postfix/mysql-virtual_relayrecipientmaps.cf
sample_directory = /usr/share/doc/postfix-2.6.6/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtpd_client_restrictions = check_client_access mysql:/etc/postfix/mysql-virtual_client.cf
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, check_recipient_access mysql:/etc/postfix/mysql-virtual_recipient.cf, reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
smtpd_sender_restrictions = check_sender_access mysql:/etc/postfix/mysql-virtual_sender.cf
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
smtpd_tls_security_level = may
smtpd_use_tls = yes
transport_maps = proxy:mysql:/etc/postfix/mysql-virtual_transports.cf
unknown_local_recipient_reject_code = 550
virtual_alias_domains = 
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_gid_maps = static:5000
virtual_mailbox_base = /var/vmail
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_transport = maildrop
virtual_uid_maps = static:5000

uname -a

Code:

Linux mkbprod01.ikoula.com 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011 x86_64 x86_64 x86_64 GNU/Linux

 

I found some suggestions here:
http://forums.gentoo.org/viewtopic.php?t=32689
http://readlist.com/lists/postfix.org/postfix-users/17/89670.html