Postfix (articles)

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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 = 3h

readme_directory = no
#sample_directory

myorigin = $myhostname
# mta MUST accept mail for localhost, localhost.$mydomain mydestination = $myhostname, localhost.$mydomain, localhost

myhostname = host.domain.tld

# Yes…please exchange it mail_name = Exchange Microsoft

# Use only if you have trouble sending mail. It breaks “sender address verification”. #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
tls_random_source = dev:/dev/urandom

smtpd_tls_cert_file=/etc/ssl/certs/server.crt
smtpd_tls_key_file=/etc/ssl/private/server.key

smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

###smtp_tls_policy_maps = hash:/etc/postfix/tls_policy
smtp_tls_security_level = may
smtpd_tls_security_level = may

###smtpd_tls_ask_ccert = yes

###smtp_tls_verify_cert_match = hostname, nexthop, dot-nexthop

# debuging tls # smtpd_tls_loglevel = 3

#obsolete#smtpd_use_tls=yes

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

smtpd_tls_auth_only = yes
smtpd_tls_received_header = yes

#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_rbl_client bl.spamcop.net,
      reject_rbl_client psbl.surriel.com,
      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

# Don't offer ETRN nor VRFY 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

# Mailman feature owner_request_special = yes
show_user_unknown_table_name = no

# testing purposed # 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/no_dynamic.pcre

/\.static\./    OK
/\.dynamic\./   REJECT Get static IP or use your ISP SMTP server
/\-dynamic\./   REJECT Get static IP or use your ISP SMTP server
/\-dynamicIP\./   REJECT Get static IP or use your ISP SMTP server
/\-dynamicip\./   REJECT Get static IP or use your ISP SMTP server
/\.dsl\./       REJECT Get static IP or use your ISP SMTP server
/\.adsl\./      REJECT Get static IP or use your ISP SMTP server

/etc/postfix/whitelist_rbl_recipient

root@           OK
admin@          OK
postmaster@     OK
abuse@          OK
postar@         OK

/etc/postfix/whitelist_greylist_recipient

root@           OK
admin@          OK
postmaster@     OK
abuse@          OK
postar@         OK

/etc/postfix/whitelist_policydweight_recipient

/etc/postfix/whitelist_verify_sender

nevtron.si              OK
www-data@               OK
finance-on.net          OK
uni-mb.si               OK
mailer.mojedelo.com     OK

/etc/postfix/whitelist_verify_recipient

root@           OK
admin@          OK
postmaster@     OK
abuse@          OK
postar@         OK

/etc/postfix/bogon_networks

0.0.0.0/8       REJECT IP address of MX host is a bogus address
1.0.0.0/8       REJECT IP address of MX host is a bogus address
2.0.0.0/8       REJECT IP address of MX host is a bogus address
5.0.0.0/8       REJECT IP address of MX host is a bogus address
10.0.0.0/8      REJECT IP address of MX host is a bogus address
14.0.0.0/8      REJECT IP address of MX host is a bogus address
23.0.0.0/8      REJECT IP address of MX host is a bogus address
27.0.0.0/8      REJECT IP address of MX host is a bogus address
31.0.0.0/8      REJECT IP address of MX host is a bogus address
36.0.0.0/8      REJECT IP address of MX host is a bogus address
37.0.0.0/8      REJECT IP address of MX host is a bogus address
39.0.0.0/8      REJECT IP address of MX host is a bogus address
42.0.0.0/8      REJECT IP address of MX host is a bogus address
46.0.0.0/8      REJECT IP address of MX host is a bogus address
49.0.0.0/8      REJECT IP address of MX host is a bogus address
50.0.0.0/8      REJECT IP address of MX host is a bogus address
100.0.0.0/8     REJECT IP address of MX host is a bogus address
101.0.0.0/8     REJECT IP address of MX host is a bogus address
102.0.0.0/8     REJECT IP address of MX host is a bogus address
103.0.0.0/8     REJECT IP address of MX host is a bogus address
104.0.0.0/8     REJECT IP address of MX host is a bogus address
105.0.0.0/8     REJECT IP address of MX host is a bogus address
106.0.0.0/8     REJECT IP address of MX host is a bogus address
107.0.0.0/8     REJECT IP address of MX host is a bogus address
108.0.0.0/8     REJECT IP address of MX host is a bogus address
109.0.0.0/8     REJECT IP address of MX host is a bogus address
110.0.0.0/8     REJECT IP address of MX host is a bogus address
111.0.0.0/8     REJECT IP address of MX host is a bogus address
127.0.0.0/8     REJECT IP address of MX host is a bogus address
169.254.0.0/16  REJECT IP address of MX host is a bogus address
172.16.0.0/12   REJECT IP address of MX host is a bogus address
175.0.0.0/8     REJECT IP address of MX host is a bogus address
176.0.0.0/8     REJECT IP address of MX host is a bogus address
177.0.0.0/8     REJECT IP address of MX host is a bogus address
178.0.0.0/8     REJECT IP address of MX host is a bogus address
179.0.0.0/8     REJECT IP address of MX host is a bogus address
180.0.0.0/8     REJECT IP address of MX host is a bogus address
181.0.0.0/8     REJECT IP address of MX host is a bogus address
182.0.0.0/8     REJECT IP address of MX host is a bogus address
183.0.0.0/8     REJECT IP address of MX host is a bogus address
184.0.0.0/8     REJECT IP address of MX host is a bogus address
185.0.0.0/8     REJECT IP address of MX host is a bogus address
192.0.2.0/24    REJECT IP address of MX host is a bogus address
192.168.0.0/16  REJECT IP address of MX host is a bogus address
197.0.0.0/8     REJECT IP address of MX host is a bogus address
198.18.0.0/15   REJECT IP address of MX host is a bogus address
223.0.0.0/8     REJECT IP address of MX host is a bogus address
224.0.0.0/3     REJECT IP address of MX host is a bogus address
240.0.0.0/12    REJECT IP address of MX host is a reserved address
255.0.0.0/8     REJECT IP address of MX host is a bogus address