Присет всем. Уже второй день "бьюсь" с постфиксом. Он должен стоять на DMZ, получать почту от провайдера и как она есть пробрасывать в exchange. Вот что я получаю.

Jun 27 09:48:08 NewDMZ postfix/local[530]: 51E7D1144A: to=<KerenSh@testdom.org>, relay=local, delay=0, status=bounced (unknown user: "kerensh")
Jun 27 09:48:08 NewDMZ postfix/smtpd[531]: disconnect from unknown[192.168.174.2]
Jun 27 09:48:08 NewDMZ postfix/qmgr[483]: 6102511453: from=<>, size=7782, nrcpt=1 (queue active)
Jun 27 09:48:08 NewDMZ postfix/qmgr[483]: 51E7D1144A: removed
Jun 27 09:48:08 NewDMZ postfix/smtp[537]: 6102511453: to=<mayaco@xxxzzz.gov>, relay=10.100.100.10[10.100.100.10],
delay=0, status=bounced (host 10.100.100.10[10.100.100.10] said: 550 5.7.1 Unable to relay for mayaco@xxxzzz.gov (in reply to RCPT TO command))
Jun 27 09:48:08 NewDMZ postfix/qmgr[483]: 6102511453: removed

форум я просмотрел и доки прочитал... Просто чего-то не хватает. Грабель не вижу.
Вот мой main.cf

queue_directory = /var/spool/postfix
command_directory = /usr/local/sbin
daemon_directory = /usr/local/libexec/postfix
mail_owner = postfix
default_privs = nobody
myhostname = NewDMZ.testdom.org
#myhostname = virtual.domain.tld
mydomain = testdom.org
#myorigin = $myhostname
#myorigin = $mydomain
inet_interfaces = all
#inet_interfaces = $myhostname
#inet_interfaces = $myhostname, localhost
#proxy_interfaces =
#proxy_interfaces = 1.2.3.4
#mydestination = $myhostname, localhost.$mydomain, localhost
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
#mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
#       mail.$mydomain, www.$mydomain, ftp.$mydomain
#local_recipient_maps = unix:passwd.byname $alias_maps
#local_recipient_maps = proxy:unix:passwd.byname $alias_maps
local_recipient_maps =
unknown_local_recipient_reject_code = 550
#mynetworks_style = class
#mynetworks_style = subnet
#mynetworks_style = host
mynetworks = 127.0.0.0/8
#mynetworks = $config_directory/mynetworks
#mynetworks = hash:/usr/local/etc/postfix/network_table
relay_domains = $mydestination
#relayhost = $mydomain
#relayhost = [gateway.my.domain]
#relayhost = [mailserver.isp.tld]
#relayhost = uucphost
relayhost = [10.100.100.10]
#relay_recipient_maps = hash:/usr/local/etc/postfix/relay_recipients
#in_flow_delay = 1s
#alias_maps = dbm:/etc/aliases
#alias_maps = hash:/etc/aliases
alias_maps = hash:/etc/mail/aliases
#alias_maps = hash:/etc/aliases, nis:mail.aliases
#alias_maps = netinfo:/aliases
#alias_database = dbm:/etc/aliases
alias_database = dbm:/etc/mail/aliases
#alias_database = hash:/etc/aliases
#alias_database = hash:/etc/aliases, hash:/opt/majordomo/aliases
#recipient_delimiter = +
#home_mailbox = Mailbox
home_mailbox = Maildir/
mail_spool_directory = /var/mail
#mail_spool_directory = /var/spool/mail
#mailbox_command = /some/where/procmail
#mailbox_command = /some/where/procmail -a "$EXTENSION"
#mailbox_transport = lmtp:unix:/file/name
#mailbox_transport = cyrus
#fallback_transport = lmtp:unix:/file/name
#fallback_transport = cyrus
#fallback_transport =
#luser_relay = $user@other.host
#luser_relay = $local@other.host
#luser_relay = admin+$local
#header_checks = regexp:/usr/local/etc/postfix/header_checks
#fast_flush_domains = $relay_domains
smtpd_banner = $myhostname ESMTP $mail_name
#smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
smtpd_helo_required = yes
#local_destination_concurrency_limit = 2
#default_destination_concurrency_limit = 20
debug_peer_level = 2
#debug_peer_list = 127.0.0.1
#debug_peer_list = some.domain
debugger_command =
         PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
         xxgdb $daemon_directory/$process_name $process_id & sleep 5
sendmail_path = /usr/local/sbin/sendmail
newaliases_path = /usr/local/bin/newaliases
mailq_path = /usr/local/bin/mailq
setgid_group = maildrop
html_directory = no
manpage_directory = /usr/local/man
sample_directory = /usr/local/etc/postfix
readme_directory = no