postfix config (main.cf)

soft_bounce = no

queue_directory = /var/spool/postfix

command_directory = /usr/sbin

daemon_directory = /usr/libexec/postfix

data_directory = /var/lib/postfix

mail_owner = postfix

myhostname = filter.local

mydomain = local

inet_interfaces = $myhostname, localhost

inet_protocols = all

unknown_local_recipient_reject_code = 550

mynetworks_style = subnet

mynetworks = 192.168.241.220/30, 127.0.0.0/8

relayhost = [store.local]:25

alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases

recipient_delimiter = +

smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)

debug_peer_level = 2

debugger_command =
	 PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
	 ddd $daemon_directory/$process_name $process_id & sleep 5

sendmail_path = /usr/sbin/sendmail.postfix

newaliases_path = /usr/bin/newaliases.postfix

mailq_path = /usr/bin/mailq.postfix

setgid_group = postdrop

html_directory = no

manpage_directory = /usr/share/man

sample_directory = /usr/share/doc/postfix-2.6.6/samples
readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES



smtpd_delay_reject = no

smtpd_helo_required = yes

smtpd_helo_restrictions = permit_mynetworks, reject_unknown_hostname, reject_non_fqdn_helo_hostname

smtpd_client_restrictions = permit_mynetworks, reject
smtpd_etrn_restrictions = permit_mynetworks, reject

smtpd_sender_restrictions = reject_non_fqdn_sender, reject_unknown_sender_domain, reject_unverified_sender
smtpd_recipient_restrictions = permit_mynetworks, reject_non_fqdn_recipient, reject_unauth_destination, reject_unknown_recipient_domain, reject

smtpd_relay_restrictions =

smtpd_discard_ehlo_keywords = silent-discard, dsn

smtpd_reject_unlisted_sender = yes
smtpd_reject_unlisted_recipient = yes

smtp_bind_address = 192.168.1.1

smtp_helo_name = lxwaldivm-005.local
smtp_helo_timeout = 45

smtp_host_lookup = native, dns

message_size_limit = 20972032

plaintext_reject_code = 550
unknown_address_reject_code = 550
unknown_client_reject_code = 550
unknown_hostname_reject_code = 550
unverified_recipient_reject_code = 550
unverified_sender_reject_code = 550