Mailserver : Relay acces denied

root@jupiter:/etc/postfix# dovecot -n
# 2.1.7: /etc/dovecot/dovecot.conf
# OS: Linux 3.8.0-22-generic x86_64 Ubuntu 13.04
auth_mechanisms = plain login cram-md5
disable_plaintext_auth = no
first_valid_uid = 8
log_timestamp = "%Y-%m-%d %H:%M:%S "
login_greeting = server ready
mail_plugins = " quota"
mail_privileged_group = mail
passdb {
  args = /etc/dovecot/passwd
  driver = passwd-file
}
plugin {
  quota = maildir:User quota
  quota_rule = *:storage=0
  quota_rule2 = Trash:storage=+50M
  quota_warning = storage=95%% quota-warning 95 %u
  quota_warning2 = storage=80%% quota-warning 80 %u
}
postmaster_address = postmaster@localhost
protocols = imap pop3
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = mail
    mode = 0660
    user = postfix
  }
  unix_listener auth-master {
    group = mail
    mode = 0600
    user = mail
  }
  unix_listener auth-userdb {
    group = mail
    mode = 0600
    user = mail
  }
  user = root
}
service quota-warning {
  executable = script /usr/lib/liveconfig/mailquota.sh
  unix_listener quota-warning {
    group = mail
    mode = 0600
    user = mail
  }
  user = mail
}
ssl_cert = </etc/ssl/certs/dovecot.crt
ssl_cipher_list = !aNULL:!eNULL:!EXPORT:!ADH:!DES:!DSS:!LOW:!SSLv2:RC4-SHA:RC4-MD5:ALL
ssl_key = </etc/ssl/private/dovecot.key
userdb {
  args = /etc/dovecot/passwd
  driver = passwd-file
}
protocol imap {
  mail_max_userip_connections = 10
  mail_plugins = " quota imap_quota"
}
protocol pop3 {
  mail_max_userip_connections = 3
  pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
}
protocol lda {
  mail_plugins = " quota sieve"
}

root@jupiter:/etc/postfix# postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
config_directory = /etc/postfix
dovecot_destination_recipient_limit = 1
inet_interfaces = all
mailbox_size_limit = 0
message_size_limit = 104857600
mydestination = localhost.localdomain, localhost, $myhostname
myhostname = jupiter.xxxxx.xx
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
readme_directory = no
recipient_delimiter = +
relayhost =
show_user_unknown_table_name = no
smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
smtp_tls_security_level = may
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_invalid_hostname, reject_unknown_reverse_client_hostname
smtpd_discard_ehlo_keywords = silent-discard, dsn
smtpd_helo_required = yes
smtpd_helo_restrictions = reject_invalid_helo_hostname
smtpd_milters = unix:/var/run/clamav/clamav-milter.ctl
smtpd_recipient_limit = 250
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_unknown_recipient_domain, check_recipient_access hash:/etc/postfix/recipient_access
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $mydomain
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_type = dovecot
smtpd_sender_restrictions = permit_mynetworks, reject_unknown_address, reject_unknown_sender_domain, reject_non_fqdn_sender, check_sender_access hash:/etc/postfix/sender_access
smtpd_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
smtpd_tls_cert_file = /etc/ssl/certs/postfix.crt
smtpd_tls_key_file = /etc/ssl/private/postfix.key
smtpd_tls_mandatory_ciphers = medium
smtpd_tls_mandatory_exclude_ciphers = aNULL, eNULL, ADH, NULL
smtpd_tls_mandatory_protocols = !SSLv2
smtpd_tls_security_level = may
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
virtual_alias_maps = hash:/etc/postfix/virtual_alias
virtual_gid_maps = static:8
virtual_mailbox_base = /var/mail
virtual_mailbox_domains = hash:/etc/postfix/virtual_domains
virtual_mailbox_maps = hash:/etc/postfix/virtual_alias
virtual_minimum_uid = 8
virtual_transport = dovecot
virtual_uid_maps = static:8