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soft_bounce = yes

smtpd_banner = $myhostname ESMTP (NO UCE)(NO UBE) http://www.rfc.net/rfc2821.html

biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate “delayed mail” warnings
delay_warning_time = 4h

readme_directory = no

myorigin = $myhostname
mydestination = $myhostname, localhost.$mydomain

myhostname = host.domain.tld
mail_name = Exchange Microsoft

#fallback_relay = [smtp.*.net]

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

virtual_maps = hash:/etc/postfix/virtual

local_recipient_maps = proxy:$virtual_maps proxy:$alias_maps proxy:unix:passwd.byname

#slow-transport (3 smtp connections at a time)
slow_destination-concurrency_limit = 3

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/server.crt
smtpd_tls_key_file=/etc/ssl/private/server.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_tls_auth_only = yes
smtpd_tls_received_header = yes
tls_random_source = dev:/dev/urandom

#smtpd_tls_loglevel = 3
#smtp_tls_note_starttls_offer = yes
#smtp_tls_enforce_peername = no

smtpd_sasl_local_domain = $myhostname
smtpd_sasl_application_name = smtpd
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_sasl_exceptions_networks = $mynetworks

#unverified_sender_reject_code = 550

relayhost =
mynetworks = 127.0.0.0/8 192.168.10.0/24
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = ipv4

smtpd_restriction_classes = permissive, rblcheck, greylisting, nodynamic_client, check_policyd_weight, verify_sender

permissive = permit

rblcheck =

      check_recipient_access hash:/etc/postfix/whitelist_rbl_recipient\\
      reject_rbl_client zen.spamhaus.org,\\
      reject_rhsbl_sender bogusmx.rfc-ignorant.org\\

greylisting =

      check_recipient_access hash:/etc/postfix/whitelist_greylist_recipient\\
      check_policy_service inet:127.0.0.1:60000\\

nodynamic_client =

      warn_if_reject reject_unknown_client_hostname,\\
      check_client_access pcre:/etc/postfix/no_dynamic.pcre\\

check_policyd_weight =

      check_recipient_access hash:/etc/postfix/whitelist_policydweight_recipient\\
      check_policy_service inet:127.0.0.1:12525\\

verify_sender =

      check_sender_access hash:/etc/postfix/whitelist_verify_sender\\
      check_recipient_access hash:/etc/postfix/whitelist_verify_recipient\\
      reject_unverified_sender\\

smtpd_discard_ehlo_keywords = silent-discard, ETRN VRFY

smtpd_helo_restrictions =

      hash:/etc/postfix/helo_checks\\

smtpd_etrn_restrictions=

      permit_mynetworks,\\
      reject\\

smtpd_sender_restrictions =

smtpd_recipient_restrictions =

      greylisting,\\
      reject_unlisted_recipient,\\
      reject_non_fqdn_sender,\\
      reject_non_fqdn_recipient,\\
      reject_unknown_sender_domain,\\
      reject_unknown_recipient_domain,\\
      check_sender_mx_access cidr:/etc/postfix/bogon_networks,\\
      permit_mynetworks,\\
      permit_sasl_authenticated,\\
      reject_unauth_destination,\\
      rblcheck,\\
      check_policyd_weight,\\
      nodynamic_client,\\
      verify_sender\\

# reject_unverified_recipient

smtpd_data_restrictions =

              reject_multi_recipient_bounce\\
              reject_unauth_pipelining\\
              permit\\

content_filter = smtp-amavis:[127.0.0.1]:10024

lmtp_send_xforward_command = yes
smtp_send_xforward_command = yes

hash_queue_depth = 1

# /etc/aliases - add postar
address_verify_sender = postar
address_verify_map = btree:$(data_directory)/verify

home_mailbox = Maildir/
message_size_limit = 70480000

# ABKO
disable_vrfy_command = yes
smtpd_helo_required = yes
strict_rfc821_envelopes = yes

unverified_recipient_reject_code = 550
unverified_sender_reject_code = 550

smtpd_error_sleep_time = 0s
smtpd_soft_error_limit = 5
smtpd_hard_error_limit = 10

owner_request_special = yes
show_user_unknown_table_name = no

#smtpd_delay_reject = no

# DEBUG
# debug_peer_level = 1
#debug_peer_list = 193.77.x.x/32
remote_header_rewrite_domain = domain.invalid

/etc/postfix/whitelist_rbl_recipient
/etc/postfix/whitelist_greylist_recipient
/etc/postfix/no_dynamic.pcre
/etc/postfix/whitelist_policydweight_recipient
/etc/postfix/whitelist_verify_sender
/etc/postfix/whitelist_verify_recipient
/etc/postfix/bogon_networks