[Mailman-Users] mailman true virtual hosting

[Dony Tata]

can some body help me? i have true domain "true.org" and virtual domain "virtual.org" in DNS configure like this
#../named.conf
options {
directory "/var/named";
};
zone "." {
type hint;
file "named.root";
};
zone "0.0.127.in-addr.arpa" {
type master;
file "named.local";
};
zone "irfan.ac.id" {
type master;
file "irfan.ac.id";
};
zone "true.org" {
type master;
file "true.org";
};
zone "virtual.org" {
type master;
file "virtual.org";
};
#../true.org
$TTL 1D
@       IN      SOA     true.org.      root.true.org. (
                                                1997022700 ; Serial
                                                28800 ; Refresh
                                                14400 ; Retry
                                                3600000 ; Expire
                                                86400 ) ; Minimum


@                 IN  NS      true.org.
@                 IN  MX  10  mail.true.org.

        IN      A       172.18.3.238
mail    IN      A       172.18.3.238
lists   IN      A       172.18.3.214

#.../virtual.org
$TTL 1D
@       IN      SOA     virtual.org.      root.virtual.org. (
                                                1997022700 ; Serial
                                                28800 ; Refresh
                                                14400 ; Retry
                                                3600000 ; Expire
                                                86400 ) ; Minimum


@                 IN  NS      true.
@                 IN  MX  10  mail.true.

        IN      A       172.18.3.214



#.../mm_cfg.py
DEFAULT_URL_HOST   = 'lists.true.org'
DEFAULT_EMAIL_HOST = 'lists.true.org'
MTA = 'Postfix'
POSTFIX_STYLE_VIRTUAL_DOMAINS = ['virtual.org']

#postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases, hash:/etc/mailman/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
html_directory = no
inet_interfaces = all
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mydestination = $myhostname, localhost.$mydomain
mynetworks = 172.18.3.0/24, 127.0.0.0/8
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
recipient_delimiter = +
sample_directory = /usr/share/doc/postfix-2.3.3/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
unknown_local_recipient_reject_code = 550
virtual_alias_domains = virtual.org
virtual_alias_maps = hash:/etc/mailman/virtual-mailman, hash:/etc/postfix/virtual

#.../etc/postfix/virtual
@virtual.org            @lists.true.org

with configuration above, i succes create new list abc at virtual.org, and i have subscribe member "member at true.org" in list abc at virtual.org, but if i send mail to list abc at virtual.org, i have got messege


The mail system <abc at virtual.org>: mail for virtual.org loops back to myself 
Reporting-MTA: dns; mail.true.org 
X-Postfix-Queue-ID: 6F2662840C 
X-Postfix-Sender: rfc822; member at true.org 
Arrival-Date: Mon, 30 Jun 2008 22:38:21 +0700 (WIT) 
Final-Recipient: rfc822; abc at virtual.org
Original-Recipient: rfc822;abc at virtual.org
Action: failed 
Status: 5.4.6 
Diagnostic-Code: X-Postfix; mail for virtual.org loops back to myself 


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