>У меня была такая же проблема. Очень вероятно что ты напутал в
>main.cf. Так что показывай конфиг.
main.cf:
# These are only the parameters changed from a default install
# see /etc/postfix/main.cf.dist for a commented, fuller version of this file.
# These are changed by postfix install script
readme_directory = /usr/share/doc/postfix-2.1.0/README_FILES
sample_directory = /usr/share/doc/postfix-2.1.0/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
command_directory = /usr/sbin
manpage_directory = /usr/share/man
daemon_directory = /usr/lib/postfix
newaliases_path = /usr/bin/newaliases.postfix
mailq_path = /usr/bin/mailq.postfix
queue_directory = /var/spool/postfix
mail_owner = postfix
# User configurable parameters
myhostname = garant-gtw.garant.obninsk.ru
mydomain = garant.obninsk.ru
inet_interfaces = all
# mydestination = $myhostname $mydomain
mynetworks = 127.0.0.0/8 192.168.1.0/24
# alias_database = dbm:/etc/mail/aliases
mydestination = $myhostname $mydomain mysql:/etc/postfix/mysql-mydestination.cf
local_recipient_maps = $alias_maps $virtual_mailbox_maps
#============mysql
virtual_mailbox_base = /
virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-maps.cf
virtual_maps = mysql:/etc/postfix/mysql-virtual.cf
virtual_minimum_uid = 500
virtual_uid_maps = mysql:/etc/postfix/mysql-virtual-uid.cf
virtual_gid_maps = mysql:/etc/postfix/mysql-virtual-gid.cf
# inet_interfaces = localhost
mynetworks_style = host
delay_warning_time = 4h
smtpd_banner = $myhostname ESMTP $mail_name ($mail_version) (Mandrake Linux)
unknown_local_recipient_reject_code = 450
smtp-filter_destination_concurrency_limit = 2
lmtp-filter_destination_concurrency_limit = 2
smtpd_sasl_path = /etc/postfix/sasl:/usr/lib/sasl2