сравни мой конфига постфикса со своим и подумай !
myhostname = fox.tum.zsavs.ru
mydomain = tum.zsavs.ru
myorigin = $myhostname
inet_interfaces = all
unknown_local_recipient_reject_code = 450
mynetworks = 10.131.2.0/24, 127.0.0.0/8alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
header_checks = regexp:/etc/postfix/header_checks
debug_peer_level = 2
debugger_command =
PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
xxgdb $daemon_directory/$process_name $process_id & sleep 5
sendmail_path = /usr/sbin/sendmail
newaliases_path = /usr/bin/newaliases
mailq_path = /usr/bin/mailq
setgid_group = postdrop
manpage_directory = /usr/local/man
sample_directory = /etc/postfix
readme_directory = /etc/postfix/README
smtpd_client_restrictions = permit_mynetworks
smtpd_client_restrictions = hash:/etc/postfix/access
smtpd_client_restrictions = reject_rbl_client t1.bl.reynolds.net.au
smtpd_client_restrictions = reject_rbl_client bl.spamcop.net
smtpd_client_restrictions = reject_rbl_client blackholes.easynet.nl
smtpd_client_restrictions = reject_rbl_client list.dsbl.org
smtpd_client_restrictions = reject_rbl_client dnsbl.njabl.org
smtpd_client_restrictions = reject_rbl_client proxies.blackholes.easynet.nl
smtpd_client_restrictions = reject_rbl_client cbl.abuseat.org
smtpd_client_restrictions = reject_rbl_client proxies.relays.monkeys.com
smtpd_client_restrictions = reject_rbl_client dynablock.easynet.nl
smtpd_client_restrictions = reject_rbl_client relays.ordb.org
smtpd_client_restrictions = reject_rbl_client ex.dnsbl.org
smtpd_client_restrictions = reject_rbl_client dul.ru
maps_rbl_reject_code = 550
smtpd_client_restrictions = reject_unknown_recipient_domain
smtpd_helo_required = yes
smtpd_helo_restrictions = reject_non_fqdn_senderr
smtpd_helo_restrictions = reject_unknown_hostname
smtpd_helo_restrictions = reject_invalid_hostname
local_recipient_maps = $alias_maps unix:passwd.byname
body_checks = regexp:/etc/postfix/body_checks
notify_classes = resource, software, protocol , policy, bounce
command_time_limit = 300