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etc_postfix_main.cf.j2 3.8KB

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  1. # See /usr/share/postfix/main.cf.dist for a commented, more complete version
  2. # Modified as per http://sealedabstract.com/code/nsa-proof-your-e-mail-in-2-hours/
  3. smtpd_banner = $myhostname ESMTP $mail_name
  4. biff = no
  5. # Accept messages up to 50MB
  6. message_size_limit = 51200000
  7. # appending .domain is the MUA's job.
  8. append_dot_mydomain = no
  9. # Uncomment the next line to generate "delayed mail" warnings
  10. #delay_warning_time = 4h
  11. readme_directory = no
  12. # antispam
  13. smtpd_helo_required = yes
  14. smtpd_helo_restrictions = permit_mynetworks, reject_invalid_hostname
  15. smtpd_sender_restrictions = reject_unknown_address
  16. disable_vrfy_command = yes
  17. strict_rfc821_envelopes = yes
  18. invalid_hostname_reject_code = 554
  19. multi_recipient_bounce_reject_code = 554
  20. non_fqdn_reject_code = 554
  21. relay_domains_reject_code = 554
  22. unknown_address_reject_code = 554
  23. unknown_client_reject_code = 554
  24. unknown_hostname_reject_code = 554
  25. unknown_local_recipient_reject_code = 554
  26. unknown_relay_recipient_reject_code = 554
  27. unknown_virtual_alias_reject_code = 554
  28. unknown_virtual_mailbox_reject_code = 554
  29. unverified_recipient_reject_code = 554
  30. unverified_sender_reject_code = 554
  31. # TLS parameters
  32. smtpd_tls_cert_file=/etc/ssl/certs/wildcard_combined.pem
  33. smtpd_tls_key_file=/etc/ssl/private/wildcard_private.key
  34. smtpd_use_tls=yes
  35. smtpd_tls_auth_only = yes
  36. smtp_tls_security_level = may
  37. smtp_tls_loglevel = 2
  38. smtpd_tls_received_header = yes
  39. smtp_tls_note_starttls_offer = yes
  40. smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
  41. # http://www.postfix.org/FORWARD_SECRECY_README.html
  42. smtp_tls_ciphers = medium
  43. smtpd_sasl_type = dovecot
  44. smtpd_sasl_path = private/auth
  45. smtpd_sasl_auth_enable = yes
  46. broken_sasl_auth_clients = yes
  47. smtpd_sasl_security_options = noanonymous
  48. # set to empty value for backwards compatibility
  49. # as per http://www.postfix.org/postconf.5.html#smtpd_relay_restrictions
  50. smtpd_relay_restrictions =
  51. smtpd_recipient_restrictions =
  52. permit_sasl_authenticated,
  53. permit_mynetworks,
  54. reject_unauth_pipelining,
  55. reject_unauth_destination,
  56. reject_invalid_hostname,
  57. reject_non_fqdn_hostname,
  58. reject_non_fqdn_recipient,
  59. reject_unknown_recipient_domain,
  60. check_policy_service inet:127.0.0.1:10023,
  61. permit
  62. # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
  63. # information on enabling SSL in the smtp client.
  64. myhostname = {{ mail_server_hostname }}
  65. myorigin = $mydomain
  66. alias_maps = hash:/etc/aliases
  67. alias_database = hash:/etc/aliases
  68. mydestination = localhost
  69. relayhost =
  70. mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 {{ ' '.join(friendly_networks) }}
  71. #mailbox_command = procmail -a "$EXTENSION"
  72. mailbox_size_limit = 0
  73. recipient_delimiter = +
  74. inet_interfaces = all
  75. # dovecot db
  76. virtual_transport = dovecot
  77. dovecot_destination_recipient_limit = 1
  78. virtual_mailbox_domains = pgsql:/etc/postfix/pgsql-virtual-mailbox-domains.cf
  79. virtual_mailbox_maps = pgsql:/etc/postfix/pgsql-virtual-mailbox-maps.cf
  80. virtual_alias_maps = pgsql:/etc/postfix/pgsql-virtual-alias-maps.cf
  81. local_recipient_maps = $virtual_mailbox_maps
  82. # OpenDKIM
  83. smtpd_milters = inet:127.0.0.1:8891
  84. non_smtpd_milters = $smtpd_milters
  85. milter_default_action = accept
  86. # new settings for dspam: only scan one mail at a time, localhost doesn't get scanned, everything else does
  87. dspam_destination_recipient_limit = 1
  88. smtpd_client_restrictions =
  89. permit_sasl_authenticated
  90. check_client_access pcre:/etc/postfix/dspam_filter_access
  91. # Postscreen
  92. postscreen_access_list = permit_mynetworks
  93. postscreen_dnsbl_sites =
  94. sbl-xbl.spamhaus.org*2
  95. cbl.abuseat.org*2
  96. bl.spamcop.net*2
  97. dnsbl.sorbs.net*1
  98. spam.spamrats.com*2
  99. postscreen_dnsbl_threshold = 3
  100. postscreen_dnsbl_action = enforce
  101. postscreen_greet_action = enforce
  102. {% if mail_header_privacy == 1 %}
  103. # Remove local client IP from headers
  104. smtp_header_checks = pcre:/etc/postfix/maps/smtp_header_checks.pcre
  105. {% endif %}