>>для начала вместо
>>>relay_domains = $mynetworks
>>сделай relay_domains = mydestination
>
>
>Подумал прежде чем сказать?
и не думая вроде как работает, никто не жаловался.
queue_directory = /var/spool/postfix
command_directory = /usr/local/sbin
daemon_directory = /usr/local/libexec/postfix
mail_owner = postfix
default_privs = nobody
myhostname = diamondmir.local
mydomain = alrosa-mir.ru
mynetworks = 192.168.0.0/16, 127.0.0.0/8
message_size_limit = 10000000
relay_domains = $mydestination
myorigin = $mydomain
inet_interfaces = $myhostname, localhost
mydestination = $myhostname, localhost.$mydomain, $mydomain
default_transport = smtp
alias_database = hash:/etc/aliases
mailbox_command = /usr/local/bin/procmail
virtual_maps = hash:/usr/local/etc/postfix/virtual
header_checks = regexp:/usr/local/etc/postfix/header_checks
body_checks = regexp:/usr/local/etc/postfix/body_checks
permit_mynetworks,reject_unknown_hostname,reject_invalid_hostname,reject_non_fqdn_hostname
local_recipient_maps = $alias_maps unix:passwd.byname