Puppet Class: postfix::contentfilter

Inherits:
postfix::params
Defined in:
manifests/contentfilter.pp

Overview

referencia amavis: www.server-world.info/en/note?os=CentOS_7&p=mail&f=6 referencia DSPAM: www.kirya.net/articles/setting-up-dspam-as-a-filter-for-postfix-on-debian/

DSPAM - ClamAV: https://www.howtoforge.com/etch_postfix_dspam_clamav

Parameters:

  • setup_amavis (Any) (defaults to: true)
  • setup_dspam (Any) (defaults to: true)
  • setup_clamav (Any) (defaults to: true)
  • setup_spamassassin (Any) (defaults to: true)
  • add_instances (Any) (defaults to: true)
  • type (Any) (defaults to: 'amavis')
  • bypass_spam_checks (Any) (defaults to: false)
  • bypass_decode_parts (Any) (defaults to: false)
  • bypass_virus_checks (Any) (defaults to: false) 


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# File 'manifests/contentfilter.pp', line 6

class postfix::contentfilter(
                              $setup_amavis        = true,
                              $setup_dspam         = true,
                              $setup_clamav        = true,
                              $setup_spamassassin  = true,
                              $add_instances       = true,
                              $type                = 'amavis',
                              #amavis
                              $bypass_spam_checks  = false,
                              $bypass_decode_parts = false,
                              $bypass_virus_checks = false,
                            ) inherits postfix::params {

  validate_re($type, [ '^amavis$', '^dspam$' ], "${type} - unsuppoted content filter")

  case $type
  {
    'amavis':
    {
      $content_filter = 'smtp-amavis:[127.0.0.1]:10024'

      if($setup_amavis)
      {
        class { 'amavis':
          setup_clamav        => $setup_clamav,
          setup_spamassassin  => $setup_spamassassin,
          mydomain            => $postfix::mydomain,
          bypass_spam_checks  => $bypass_spam_checks,
          bypass_decode_parts => $bypass_decode_parts,
          bypass_virus_checks => $bypass_virus_checks,
        }
      }

      concat::fragment{ '/etc/postfix/main.cf content filter':
        target  => '/etc/postfix/main.cf',
        order   => '60',
        content => template("${module_name}/contentfilter.erb"),
      }

      if($add_instances)
      {
        # service type  private unpriv  chroot  wakeup  maxproc command + args
        # smtp      inet  n       -       n       -       -       smtpd
        #  -o smtpd_sasl_auth_enable=yes
        #  -o receive_override_options=no_address_mappings
        #  -o content_filter=smtp-amavis:127.0.0.1:10024

        # no aplico

        #  service      type  private unpriv  chroot  wakeup  maxproc command + args
        #  smtp-amavis  unix  -          -       y       -       2       smtp
        #  -o smtp_data_done_timeout=1200
        #  -o disable_dns_lookups=yes
        #  -o smtp_send_xforward_command=yes

        postfix::instance { 'smtp-amavis':
          type    => 'unix',
          chroot  => 'y',
          maxproc => '2',
          command => 'smtp',
          opts    => {
                        'smtp_data_done_timeout'     => '1200',
                        'disable_dns_lookups'        => 'yes',
                        'smtp_send_xforward_command' => 'yes',
                      },
          order   => '98',
        }

        #  service        type  private unpriv  chroot  wakeup  maxproc command + args
        # 127.0.0.1:10025 inet    n        -       y       -       -       smtpd
        #  -o content_filter=
        #  -o smtpd_helo_restrictions=
        #  -o smtpd_sender_restrictions=
        # -o smtpd_recipient_restrictions=permit_mynetworks,reject
        # -o mynetworks=127.0.0.0/8
        # -o smtpd_error_sleep_time=0
        # -o smtpd_soft_error_limit=1001
        # -o smtpd_hard_error_limit=1000
        # -o receive_override_options=no_header_body_checks
        # -o smtpd_helo_required=no
        # -o smtpd_client_restrictions=
        # -o smtpd_restriction_classes=
        # -o disable_vrfy_command=no
        # -o strict_rfc821_envelopes=yes

        postfix::instance { '127.0.0.1:10025':
          type    => 'inet',
          private => 'n',
          chroot  => 'y',
          command => 'smtpd',
          opts    => {
                      'content_filter'               => '',
                      'smtpd_helo_restrictions'      => '',
                      'smtpd_sender_restrictions'    => '',
                      'smtpd_recipient_restrictions' => 'permit_mynetworks,reject',
                      'mynetworks'                   => '127.0.0.0/8',
                      'smtpd_error_sleep_time'       => '0',
                      'smtpd_soft_error_limit'       => '1001',
                      'smtpd_hard_error_limit'       => '1000',
                      'receive_override_options'     => 'no_header_body_checks',
                      'smtpd_helo_required'          => 'no',
                      'smtpd_client_restrictions'    => '',
                      'smtpd_restriction_classes'    => '',
                      'disable_vrfy_command'         => 'no',
                      'strict_rfc821_envelopes'      => 'yes',
                      'smtpd_sasl_auth_enable'       => 'no',
                    },
          order   => '99',
        }

      }
    }
    'dspam':
    {
      $content_filter = 'smtp-amavis:[127.0.0.1]:10024'
      fail('TODO')

      # dspam                 unix    -       n       n       -       -    pipe
      # flags=Ru user=dspam argv=/usr/bin/dspam --client --deliver=innocent --user ${recipient} --mail-from=${sender}
    }
    default:
    {
      fail("${type} - unsuppoted content filter")
    }
  }
}