[Postfix espanol] mx de dominios

[rene en fuchslocher.cl]

Pregunta

Para un servidor con ip fija y que resuelve nombre sin problemas para multiples dominios y da hosting,
necesito que el postfix reconosca
los mx de cada dominio para que el usuario que revisa su correo en un cliente como outlook
coloque
servidor saliente:  smtp.dominiox.com
servidor entrante : pop.dominiox.com

**********************************************************************
$ttl 38400
dominiox.com. IN      SOA     dns.servidor.com. webmaster.servidor.com. (
                        990831035
                        10800
                        3600
                        604800
                        38400 )
dominiox.com. IN      NS      dns.servidor.com.
dominiox.com. IN      A       200.777.777.777
www.dominiox.com.     IN      CNAME   dominiox.com.
pop.dominiox.com.    IN      CNAME   dominiox.com.
smtp.dominiox.com.    IN      CNAME   dominiox.com.
mail.dominiox.com.    IN      CNAME   dominiox.com.
dns.servidor.com.     IN      HINFO   686 linux
dominiox.com. IN      MX      10      mail.domino.com.
dominiox.com. IN      MX      10       pop.dominiox.com.
dominiox.com. IN      MX      10       smtp.dominiox.com.
************************************************************************************
 postconf -n
alias_database = hash:/etc/postfix/aliases
alias_maps = hash:/etc/postfix/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
fast_flush_domains = $relay_domains
in_flow_delay = 1s
inet_interfaces = all
local_recipient_maps = $alias_maps unix:passwd.byname
mail_spool_directory = /var/spool/mail
mailbox_command = /usr/bin/procmail
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mydestination = $myhostname, localhost.$mydomain, $mydomain, mail.$mydomain, www.$mydomain, ftp.$mydomain
mydomain = servidor.com
myhostname = dns.servidor.com
mynetworks = 200.777.777.777/24, 192.168.1.0/28, 127.0.0.0/8
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
readme_directory = /etc/postfix/README_FILES
sample_directory = /usr/share/doc/postfix-1.1.7/samples
sender_canonical_maps = hash:/etc/postfix/sender_canonical
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
transport_maps = hash:/etc/postfix/transport
virtual_mailbox_base = /var/spool/mail/
virtual_mailbox_maps = hash:/etc/postfix/vmailbox
virtual_maps = hash:/etc/postfix/virtual
virtual_minimum_uid = 100
virtual_uid_maps = static:5000
*************************************************************************

Gracias por su ayuda.

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