postfix 日志

postfix 是 Linux 平台上最常用的邮件服务器软件。邮件服务的运维复杂度一向较高，在此提供一个针对 postfix 日志的解析处理方案。方案出自：https://github.com/whyscream/postfix-grok-patterns。

因为 postfix 默认通过 syslog 方式输出日志，所以可以选择通过 rsyslog 直接转发给 logstash，也可以由 logstash 读取 rsyslog 记录的文件。下列配置中省略了对 syslog 协议解析的部分。

  1. filter {
  2.     # grok log lines by program name (listed alpabetically)
  3.     if [program] =~ /^postfix.*\/anvil$/ {
  4.         grok {
  5.             patterns_dir   => ["/etc/logstash/patterns.d"]
  6.             match          => [ "message", "%{POSTFIX_ANVIL}" ]
  7.             tag_on_failure => [ "_grok_postfix_anvil_nomatch" ]
  8.             add_tag        => [ "_grok_postfix_success" ]
  9.         }
  10.     } else if [program] =~ /^postfix.*\/bounce$/ {
  11.         grok {
  12.             patterns_dir   => ["/etc/logstash/patterns.d"]
  13.             match          => [ "message", "%{POSTFIX_BOUNCE}" ]
  14.             tag_on_failure => [ "_grok_postfix_bounce_nomatch" ]
  15.             add_tag        => [ "_grok_postfix_success" ]
  16.         }
  17.     } else if [program] =~ /^postfix.*\/cleanup$/ {
  18.         grok {
  19.             patterns_dir   => ["/etc/logstash/patterns.d"]
  20.             match          => [ "message", "%{POSTFIX_CLEANUP}" ]
  21.             tag_on_failure => [ "_grok_postfix_cleanup_nomatch" ]
  22.             add_tag        => [ "_grok_postfix_success" ]
  23.         }
  24.     } else if [program] =~ /^postfix.*\/dnsblog$/ {
  25.         grok {
  26.             patterns_dir   => ["/etc/logstash/patterns.d"]
  27.             match          => [ "message", "%{POSTFIX_DNSBLOG}" ]
  28.             tag_on_failure => [ "_grok_postfix_dnsblog_nomatch" ]
  29.             add_tag        => [ "_grok_postfix_success" ]
  30.         }
  31.     } else if [program] =~ /^postfix.*\/local$/ {
  32.         grok {
  33.             patterns_dir   => ["/etc/logstash/patterns.d"]
  34.             match          => [ "message", "%{POSTFIX_LOCAL}" ]
  35.             tag_on_failure => [ "_grok_postfix_local_nomatch" ]
  36.             add_tag        => [ "_grok_postfix_success" ]
  37.         }
  38.     } else if [program] =~ /^postfix.*\/master$/ {
  39.         grok {
  40.             patterns_dir   => ["/etc/logstash/patterns.d"]
  41.             match          => [ "message", "%{POSTFIX_MASTER}" ]
  42.             tag_on_failure => [ "_grok_postfix_master_nomatch" ]
  43.             add_tag        => [ "_grok_postfix_success" ]
  44.         }
  45.     } else if [program] =~ /^postfix.*\/pickup$/ {
  46.         grok {
  47.             patterns_dir   => ["/etc/logstash/patterns.d"]
  48.             match          => [ "message", "%{POSTFIX_PICKUP}" ]
  49.             tag_on_failure => [ "_grok_postfix_pickup_nomatch" ]
  50.             add_tag        => [ "_grok_postfix_success" ]
  51.         }
  52.     } else if [program] =~ /^postfix.*\/pipe$/ {
  53.         grok {
  54.             patterns_dir   => ["/etc/logstash/patterns.d"]
  55.             match          => [ "message", "%{POSTFIX_PIPE}" ]
  56.             tag_on_failure => [ "_grok_postfix_pipe_nomatch" ]
  57.             add_tag        => [ "_grok_postfix_success" ]
  58.         }
  59.     } else if [program] =~ /^postfix.*\/postdrop$/ {
  60.         grok {
  61.             patterns_dir   => ["/etc/logstash/patterns.d"]
  62.             match          => [ "message", "%{POSTFIX_POSTDROP}" ]
  63.             tag_on_failure => [ "_grok_postfix_postdrop_nomatch" ]
  64.             add_tag        => [ "_grok_postfix_success" ]
  65.         }
  66.     } else if [program] =~ /^postfix.*\/postscreen$/ {
  67.         grok {
  68.             patterns_dir   => ["/etc/logstash/patterns.d"]
  69.             match          => [ "message", "%{POSTFIX_POSTSCREEN}" ]
  70.             tag_on_failure => [ "_grok_postfix_postscreen_nomatch" ]
  71.             add_tag        => [ "_grok_postfix_success" ]
  72.         }
  73.     } else if [program] =~ /^postfix.*\/qmgr$/ {
  74.         grok {
  75.             patterns_dir   => ["/etc/logstash/patterns.d"]
  76.             match          => [ "message", "%{POSTFIX_QMGR}" ]
  77.             tag_on_failure => [ "_grok_postfix_qmgr_nomatch" ]
  78.             add_tag        => [ "_grok_postfix_success" ]
  79.         }
  80.     } else if [program] =~ /^postfix.*\/scache$/ {
  81.         grok {
  82.             patterns_dir   => ["/etc/logstash/patterns.d"]
  83.             match          => [ "message", "%{POSTFIX_SCACHE}" ]
  84.             tag_on_failure => [ "_grok_postfix_scache_nomatch" ]
  85.             add_tag        => [ "_grok_postfix_success" ]
  86.         }
  87.     } else if [program] =~ /^postfix.*\/sendmail$/ {
  88.         grok {
  89.             patterns_dir   => ["/etc/logstash/patterns.d"]
  90.             match          => [ "message", "%{POSTFIX_SENDMAIL}" ]
  91.             tag_on_failure => [ "_grok_postfix_sendmail_nomatch" ]
  92.             add_tag        => [ "_grok_postfix_success" ]
  93.         }
  94.     } else if [program] =~ /^postfix.*\/smtp$/ {
  95.         grok {
  96.             patterns_dir   => ["/etc/logstash/patterns.d"]
  97.             match          => [ "message", "%{POSTFIX_SMTP}" ]
  98.             tag_on_failure => [ "_grok_postfix_smtp_nomatch" ]
  99.             add_tag        => [ "_grok_postfix_success" ]
  100.         }
  101.     } else if [program] =~ /^postfix.*\/lmtp$/ {
  102.         grok {
  103.             patterns_dir   => ["/etc/logstash/patterns.d"]
  104.             match          => [ "message", "%{POSTFIX_LMTP}" ]
  105.             tag_on_failure => [ "_grok_postfix_lmtp_nomatch" ]
  106.             add_tag        => [ "_grok_postfix_success" ]
  107.         }
  108.     } else if [program] =~ /^postfix.*\/smtpd$/ {
  109.         grok {
  110.             patterns_dir   => ["/etc/logstash/patterns.d"]
  111.             match          => [ "message", "%{POSTFIX_SMTPD}" ]
  112.             tag_on_failure => [ "_grok_postfix_smtpd_nomatch" ]
  113.             add_tag        => [ "_grok_postfix_success" ]
  114.         }
  115.     } else if [program] =~ /^postfix.*\/tlsmgr$/ {
  116.         grok {
  117.             patterns_dir   => ["/etc/logstash/patterns.d"]
  118.             match          => [ "message", "%{POSTFIX_TLSMGR}" ]
  119.             tag_on_failure => [ "_grok_postfix_tlsmgr_nomatch" ]
  120.             add_tag        => [ "_grok_postfix_success" ]
  121.         }
  122.     } else if [program] =~ /^postfix.*\/tlsproxy$/ {
  123.         grok {
  124.             patterns_dir   => ["/etc/logstash/patterns.d"]
  125.             match          => [ "message", "%{POSTFIX_TLSPROXY}" ]
  126.             tag_on_failure => [ "_grok_postfix_tlsproxy_nomatch" ]
  127.             add_tag        => [ "_grok_postfix_success" ]
  128.         }
  129.     } else if [program] =~ /^postfix.*\/trivial-rewrite$/ {
  130.         grok {
  131.             patterns_dir   => ["/etc/logstash/patterns.d"]
  132.             match          => [ "message", "%{POSTFIX_TRIVIAL_REWRITE}" ]
  133.             tag_on_failure => [ "_grok_postfix_trivial_rewrite_nomatch" ]
  134.             add_tag        => [ "_grok_postfix_success" ]
  135.         }
  136.     } else if [program] =~ /^postfix.*\/discard$/ {
  137.         grok {
  138.             patterns_dir   => ["/etc/logstash/patterns.d"]
  139.             match          => [ "message", "%{POSTFIX_DISCARD}" ]
  140.             tag_on_failure => [ "_grok_postfix_discard_nomatch" ]
  141.             add_tag        => [ "_grok_postfix_success" ]
  142.         }
  143.     }
  145.     # process key-value data is it exists
  146.     if [postfix_keyvalue_data] {
  147.         kv {
  148.             source       => "postfix_keyvalue_data"
  149.             trim         => "<>,"
  150.             prefix       => "postfix_"
  151.             remove_field => [ "postfix_keyvalue_data" ]
  152.         }
  154.         # some post processing of key-value data
  155.         if [postfix_client] {
  156.             grok {
  157.                 patterns_dir   => ["/etc/logstash/patterns.d"]
  158.                 match          => ["postfix_client", "%{POSTFIX_CLIENT_INFO}"]
  159.                 tag_on_failure => [ "_grok_kv_postfix_client_nomatch" ]
  160.                 remove_field   => [ "postfix_client" ]
  161.             }
  162.         }
  163.         if [postfix_relay] {
  164.             grok {
  165.                 patterns_dir   => ["/etc/logstash/patterns.d"]
  166.                 match          => ["postfix_relay", "%{POSTFIX_RELAY_INFO}"]
  167.                 tag_on_failure => [ "_grok_kv_postfix_relay_nomatch" ]
  168.                 remove_field   => [ "postfix_relay" ]
  169.             }
  170.         }
  171.         if [postfix_delays] {
  172.             grok {
  173.                 patterns_dir   => ["/etc/logstash/patterns.d"]
  174.                 match          => ["postfix_delays", "%{POSTFIX_DELAYS}"]
  175.                 tag_on_failure => [ "_grok_kv_postfix_delays_nomatch" ]
  176.                 remove_field   => [ "postfix_delays" ]
  177.             }
  178.         }
  179.     }
  181.     # Do some data type conversions
  182.     mutate {
  183.         convert => [
  184.             # list of integer fields
  185.             "postfix_anvil_cache_size", "integer",
  186.             "postfix_anvil_conn_count", "integer",
  187.             "postfix_anvil_conn_rate", "integer",
  188.             "postfix_client_port", "integer",
  189.             "postfix_nrcpt", "integer",
  190.             "postfix_postscreen_cache_dropped", "integer",
  191.             "postfix_postscreen_cache_retained", "integer",
  192.             "postfix_postscreen_dnsbl_rank", "integer",
  193.             "postfix_relay_port", "integer",
  194.             "postfix_server_port", "integer",
  195.             "postfix_size", "integer",
  196.             "postfix_status_code", "integer",
  197.             "postfix_termination_signal", "integer",
  198.             "postfix_uid", "integer",
  200.             # list of float fields
  201.             "postfix_delay", "float",
  202.             "postfix_delay_before_qmgr", "float",
  203.             "postfix_delay_conn_setup", "float",
  204.             "postfix_delay_in_qmgr", "float",
  205.             "postfix_delay_transmission", "float",
  206.             "postfix_postscreen_violation_time", "float"
  207.         ]
  208.     }
  209. }

配置中使用了一系列自定义 grok 正则，全部内容如下所示。保存成 /etc/logstash/patterns.d/ 下一个文本文件即可。

  1. # common postfix patterns
  2. POSTFIX_QUEUEID ([0-9A-F]{6,}|[0-9a-zA-Z]{15,}|NOQUEUE)
  3. POSTFIX_CLIENT_INFO %{HOST:postfix_client_hostname}?\[%{IP:postfix_client_ip}\](:%{INT:postfix_client_port})?
  4. POSTFIX_RELAY_INFO %{HOST:postfix_relay_hostname}?\[(%{IP:postfix_relay_ip}|%{DATA:postfix_relay_service})\](:%{INT:postfix_relay_port})?|%{WORD:postfix_relay_service}
  5. POSTFIX_SMTP_STAGE (CONNECT|HELO|EHLO|STARTTLS|AUTH|MAIL|RCPT|DATA|RSET|UNKNOWN|END-OF-MESSAGE|VRFY|\.)
  6. POSTFIX_ACTION (reject|defer|accept|header-redirect)
  7. POSTFIX_STATUS_CODE \d{3}
  8. POSTFIX_STATUS_CODE_ENHANCED \d\.\d\.\d
  9. POSTFIX_DNSBL_MESSAGE Service unavailable; .* \[%{GREEDYDATA:postfix_status_data}\] %{GREEDYDATA:postfix_status_message};
  10. POSTFIX_PS_ACCESS_ACTION (DISCONNECT|BLACKLISTED|WHITELISTED|WHITELIST VETO|PASS NEW|PASS OLD)
  11. POSTFIX_PS_VIOLATION (BARE NEWLINE|COMMAND (TIME|COUNT|LENGTH) LIMIT|COMMAND PIPELINING|DNSBL|HANGUP|NON-SMTP COMMAND|PREGREET)
  12. POSTFIX_TIME_UNIT %{NUMBER}[smhd]
  13. POSTFIX_KEYVALUE %{POSTFIX_QUEUEID:postfix_queueid}: %{GREEDYDATA:postfix_keyvalue_data}
  14. POSTFIX_WARNING (warning|fatal): %{GREEDYDATA:postfix_warning}
  15. POSTFIX_TLSCONN (Anonymous|Trusted|Untrusted|Verified) TLS connection established (to %{POSTFIX_RELAY_INFO}|from %{POSTFIX_CLIENT_INFO}): %{DATA:postfix_tls_version} with cipher %{DATA:postfix_tls_cipher} \(%{DATA:postfix_tls_cipher_size} bits\)
  16. POSTFIX_DELAYS %{NUMBER:postfix_delay_before_qmgr}/%{NUMBER:postfix_delay_in_qmgr}/%{NUMBER:postfix_delay_conn_setup}/%{NUMBER:postfix_delay_transmission}
  17. POSTFIX_LOSTCONN (lost connection|timeout|Connection timed out)
  18. POSTFIX_PROXY_MESSAGE (%{POSTFIX_STATUS_CODE:postfix_proxy_status_code} )?(%{POSTFIX_STATUS_CODE_ENHANCED:postfix_proxy_status_code_enhanced})?.*
  20. # helper patterns
  21. GREEDYDATA_NO_COLON [^:]*
  23. # smtpd patterns
  24. POSTFIX_SMTPD_CONNECT connect from %{POSTFIX_CLIENT_INFO}
  25. POSTFIX_SMTPD_DISCONNECT disconnect from %{POSTFIX_CLIENT_INFO}
  26. POSTFIX_SMTPD_LOSTCONN (%{POSTFIX_LOSTCONN:postfix_smtpd_lostconn_data} after %{POSTFIX_SMTP_STAGE:postfix_smtp_stage}( \(%{INT} bytes\))? from %{POSTFIX_CLIENT_INFO}|%{GREEDYDATA:postfix_action} from %{POSTFIX_CLIENT_INFO}: %{POSTFIX_LOSTCONN:postfix_smtpd_lostconn_data})
  27. POSTFIX_SMTPD_NOQUEUE NOQUEUE: %{POSTFIX_ACTION:postfix_action}: %{POSTFIX_SMTP_STAGE:postfix_smtp_stage} from %{POSTFIX_CLIENT_INFO}: %{POSTFIX_STATUS_CODE:postfix_status_code} %{POSTFIX_STATUS_CODE_ENHANCED:postfix_status_code_enhanced}( <%{DATA:postfix_status_data}>:)? (%{POSTFIX_DNSBL_MESSAGE}|%{GREEDYDATA:postfix_status_message};) %{GREEDYDATA:postfix_keyvalue_data}
  28. POSTFIX_SMTPD_PIPELINING improper command pipelining after %{POSTFIX_SMTP_STAGE:postfix_smtp_stage} from %{POSTFIX_CLIENT_INFO}:
  29. POSTFIX_SMTPD_PROXY proxy-%{POSTFIX_ACTION:postfix_proxy_result}: (%{POSTFIX_SMTP_STAGE:postfix_proxy_smtp_stage}): %{POSTFIX_PROXY_MESSAGE:postfix_proxy_message}; %{GREEDYDATA:postfix_keyvalue_data}
  31. # cleanup patterns
  32. POSTFIX_CLEANUP_MILTER %{POSTFIX_QUEUEID:postfix_queueid}: milter-%{POSTFIX_ACTION:postfix_milter_result}: %{GREEDYDATA:postfix_milter_message}; %{GREEDYDATA_NO_COLON:postfix_keyvalue_data}(: %{GREEDYDATA:postfix_milter_data})?
  34. # qmgr patterns
  35. POSTFIX_QMGR_REMOVED %{POSTFIX_QUEUEID:postfix_queueid}: removed
  36. POSTFIX_QMGR_ACTIVE %{POSTFIX_QUEUEID:postfix_queueid}: %{GREEDYDATA:postfix_keyvalue_data} \(queue active\)
  38. # pipe patterns
  39. POSTFIX_PIPE_DELIVERED %{POSTFIX_QUEUEID:postfix_queueid}: %{GREEDYDATA:postfix_keyvalue_data} \(delivered via %{WORD:postfix_pipe_service} service\)
  40. POSTFIX_PIPE_FORWARD %{POSTFIX_QUEUEID:postfix_queueid}: %{GREEDYDATA:postfix_keyvalue_data} \(mail forwarding loop for %{GREEDYDATA:postfix_to}\)
  42. # postscreen patterns
  43. POSTFIX_PS_CONNECT CONNECT from %{POSTFIX_CLIENT_INFO} to \[%{IP:postfix_server_ip}\]:%{INT:postfix_server_port}
  44. POSTFIX_PS_ACCESS %{POSTFIX_PS_ACCESS_ACTION:postfix_postscreen_access} %{POSTFIX_CLIENT_INFO}
  45. POSTFIX_PS_NOQUEUE %{POSTFIX_SMTPD_NOQUEUE}
  46. POSTFIX_PS_TOOBUSY NOQUEUE: reject: CONNECT from %{POSTFIX_CLIENT_INFO}: %{GREEDYDATA:postfix_postscreen_toobusy_data}
  47. POSTFIX_PS_DNSBL %{POSTFIX_PS_VIOLATION:postfix_postscreen_violation} rank %{INT:postfix_postscreen_dnsbl_rank} for %{POSTFIX_CLIENT_INFO}
  48. POSTFIX_PS_CACHE cache %{DATA} full cleanup: retained=%{NUMBER:postfix_postscreen_cache_retained} dropped=%{NUMBER:postfix_postscreen_cache_dropped} entries
  49. POSTFIX_PS_VIOLATIONS %{POSTFIX_PS_VIOLATION:postfix_postscreen_violation}( %{INT})?( after %{NUMBER:postfix_postscreen_violation_time})? from %{POSTFIX_CLIENT_INFO}( after %{POSTFIX_SMTP_STAGE:postfix_smtp_stage})?
  51. # dnsblog patterns
  52. POSTFIX_DNSBLOG_LISTING addr %{IP:postfix_client_ip} listed by domain %{HOST:postfix_dnsbl_domain} as %{IP:postfix_dnsbl_result}
  54. # tlsproxy patterns
  55. POSTFIX_TLSPROXY_CONN (DIS)?CONNECT( from)? %{POSTFIX_CLIENT_INFO}
  57. # anvil patterns
  58. POSTFIX_ANVIL_CONN_RATE statistics: max connection rate %{NUMBER:postfix_anvil_conn_rate}/%{POSTFIX_TIME_UNIT:postfix_anvil_conn_period} for \(%{DATA:postfix_service}:%{IP:postfix_client_ip}\) at %{SYSLOGTIMESTAMP:postfix_anvil_timestamp}
  59. POSTFIX_ANVIL_CONN_CACHE statistics: max cache size %{NUMBER:postfix_anvil_cache_size} at %{SYSLOGTIMESTAMP:postfix_anvil_timestamp}
  60. POSTFIX_ANVIL_CONN_COUNT statistics: max connection count %{NUMBER:postfix_anvil_conn_count} for \(%{DATA:postfix_service}:%{IP:postfix_client_ip}\) at %{SYSLOGTIMESTAMP:postfix_anvil_timestamp}
  62. # smtp patterns
  63. POSTFIX_SMTP_DELIVERY %{POSTFIX_KEYVALUE} status=%{WORD:postfix_status}( \(%{GREEDYDATA:postfix_smtp_response}\))?
  64. POSTFIX_SMTP_CONNERR connect to %{POSTFIX_RELAY_INFO}: (Connection timed out|No route to host|Connection refused)
  65. POSTFIX_SMTP_LOSTCONN %{POSTFIX_QUEUEID:postfix_queueid}: %{POSTFIX_LOSTCONN} with %{POSTFIX_RELAY_INFO}
  67. # master patterns
  68. POSTFIX_MASTER_START (daemon started|reload) -- version %{DATA:postfix_version}, configuration %{PATH:postfix_config_path}
  69. POSTFIX_MASTER_EXIT terminating on signal %{INT:postfix_termination_signal}
  71. # bounce patterns
  72. POSTFIX_BOUNCE_NOTIFICATION %{POSTFIX_QUEUEID:postfix_queueid}: sender (non-delivery|delivery status|delay) notification: %{POSTFIX_QUEUEID:postfix_bounce_queueid}
  74. # scache patterns
  75. POSTFIX_SCACHE_LOOKUPS statistics: (address|domain) lookup hits=%{INT:postfix_scache_hits} miss=%{INT:postfix_scache_miss} success=%{INT:postfix_scache_success}
  76. POSTFIX_SCACHE_SIMULTANEOUS statistics: max simultaneous domains=%{INT:postfix_scache_domains} addresses=%{INT:postfix_scache_addresses} connection=%{INT:postfix_scache_connection}
  77. POSTFIX_SCACHE_TIMESTAMP statistics: start interval %{SYSLOGTIMESTAMP:postfix_scache_timestamp}
  79. # aggregate all patterns
  80. POSTFIX_SMTPD %{POSTFIX_SMTPD_CONNECT}|%{POSTFIX_SMTPD_DISCONNECT}|%{POSTFIX_SMTPD_LOSTCONN}|%{POSTFIX_SMTPD_NOQUEUE}|%{POSTFIX_SMTPD_PIPELINING}|%{POSTFIX_TLSCONN}|%{POSTFIX_WARNING}|%{POSTFIX_SMTPD_PROXY}|%{POSTFIX_KEYVALUE}
  81. POSTFIX_CLEANUP %{POSTFIX_CLEANUP_MILTER}|%{POSTFIX_WARNING}|%{POSTFIX_KEYVALUE}
  82. POSTFIX_QMGR %{POSTFIX_QMGR_REMOVED}|%{POSTFIX_QMGR_ACTIVE}|%{POSTFIX_WARNING}
  83. POSTFIX_PIPE %{POSTFIX_PIPE_DELIVERED}|%{POSTFIX_PIPE_FORWARD}
  84. POSTFIX_POSTSCREEN %{POSTFIX_PS_CONNECT}|%{POSTFIX_PS_ACCESS}|%{POSTFIX_PS_NOQUEUE}|%{POSTFIX_PS_TOOBUSY}|%{POSTFIX_PS_CACHE}|%{POSTFIX_PS_DNSBL}|%{POSTFIX_PS_VIOLATIONS}|%{POSTFIX_WARNING}
  85. POSTFIX_DNSBLOG %{POSTFIX_DNSBLOG_LISTING}
  86. POSTFIX_ANVIL %{POSTFIX_ANVIL_CONN_RATE}|%{POSTFIX_ANVIL_CONN_CACHE}|%{POSTFIX_ANVIL_CONN_COUNT}
  87. POSTFIX_SMTP %{POSTFIX_SMTP_DELIVERY}|%{POSTFIX_SMTP_CONNERR}|%{POSTFIX_SMTP_LOSTCONN}|%{POSTFIX_TLSCONN}|%{POSTFIX_WARNING}
  88. POSTFIX_DISCARD %{POSTFIX_KEYVALUE} status=%{WORD:postfix_status}
  89. POSTFIX_LMTP %{POSTFIX_SMTP}
  90. POSTFIX_PICKUP %{POSTFIX_KEYVALUE}
  91. POSTFIX_TLSPROXY %{POSTFIX_TLSPROXY_CONN}
  92. POSTFIX_MASTER %{POSTFIX_MASTER_START}|%{POSTFIX_MASTER_EXIT}
  93. POSTFIX_BOUNCE %{POSTFIX_BOUNCE_NOTIFICATION}
  94. POSTFIX_SENDMAIL %{POSTFIX_WARNING}
  95. POSTFIX_POSTDROP %{POSTFIX_WARNING}
  96. POSTFIX_SCACHE %{POSTFIX_SCACHE_LOOKUPS}|%{POSTFIX_SCACHE_SIMULTANEOUS}|%{POSTFIX_SCACHE_TIMESTAMP}
  97. POSTFIX_TRIVIAL_REWRITE %{POSTFIX_WARNING}
  98. POSTFIX_TLSMGR %{POSTFIX_WARNING}
  99. POSTFIX_LOCAL %{POSTFIX_KEYVALUE}