postfix no me entrega correo clientes

[Orlando Sojo]

hola amigos pinguinos estoy reconfigurando un servidor postfix y no me
entrega los correos a los clientes pero si los visualizo desde un webmail.
Desde el cliente thunderbird si los envie pero el servdior NO me los entrega
al cliente solo al webmail, les envio mi postconf -n quizas puedan
apoyarme..
Tengo configurado el dovecot con pop3 e imap y esta corriendo bien.

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
body_checks = regexp:/etc/postfix/body_checks
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
default_process_limit = 3
disable_vrfy_command = yes
header_checks = regexp:/etc/postfix/header_checks
html_directory = no
inet_interfaces = all
mail_name = Correo EMPRESA
mail_owner = postfix
mailbox_size_limit = 0
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
message_size_limit = 10485760
mydestination = $mydomain, $myhostname
mydomain = oracle.empresa.com.pe <http://oracle.empresa.com.pe>
myhostname = gateway.empresa.com.pe <http://gateway.empresa.com.pe>
mynetworks = 127.0.0.1 <http://127.0.0.1> 192.168.0.0/24<http://192.168.0.0/24>
172.16.0.0/16 <http://172.16.0.0/16>
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.1.5/README_FILES
sample_directory = /usr/share/doc/postfix-2.1.5/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtpd_banner = ESMTP Correo
smtpd_client_restrictions = permit_mynetworks, reject_rbl_client
sbl.spamhaus.org <http://sbl.spamhaus.org>, reject_rbl_client
relays.ordb.org <http://relays.ordb.org>, reject_rbl_client
opm.blitzed.org<http://opm.blitzed.org>,
reject_unauth_destination
smtpd_error_sleep_time = 1s
smtpd_hard_error_limit = 10
smtpd_helo_restrictions = reject_invalid_hostname
smtpd_recipient_limit = 100
smtpd_sender_restrictions = reject_unknown_sender_domain
smtpd_soft_error_limit = 60
unknown_local_recipient_reject_code = 550

--
Orlando Sojo.
User Linux Registered 344807.
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