>Нет, так как приведен не полный лог сессии. И не приведена конфигурация
>postfix (postconf -n)
сейчас посмотрю, что относится еще к этой сессиии
[root@relay log]# 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
disable_vrfy_command = yes
header_checks = regexp:/etc/postfix/header_checks
inet_interfaces = all
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mydestination = $myhostname, localhost.$mydomain $mydomain, relay.domain.site.ru, domain.site.ru
mydomain = domain.ru
myhostname = relay.domain.ru
mynetworks = 192.168.10.0/24, 172.16.3.0/24, 127.0.0.0/8
newaliases_path = /usr/bin/newaliases.postfix
notify_classes = resource,software
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.0.16/README_FILES
sample_directory = /usr/share/doc/postfix-2.0.16/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtpd_helo_restrictions = permit_mynetworks, check_helo_access hash:/etc/postfix/mailers, reject_invalid_hostname, reject_unknown_hostname, reject_non_fqdn_hostname, permit
smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination, reject_non_fqdn_recipient, reject_unknown_recipient_domain, permit
smtpd_sender_restrictions = permit_mynetworks, reject_unknown_sender_domain, reject_non_fqdn_sender, permit
strict_rfc821_envelopes = no
transport_maps = hash:/etc/postfix/transport
unknown_local_recipient_reject_code = 450