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postfix

Configure the Postfix mailserver

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Version information

  • 2.1.0 (latest)
  • 2.0.0
released Aug 21st 2023
This version is compatible with:
  • Puppet Enterprise 2023.7.x, 2023.6.x, 2023.5.x, 2023.4.x, 2023.3.x, 2023.2.x, 2023.1.x, 2023.0.x, 2021.7.x, 2021.6.x, 2021.5.x, 2021.4.x, 2021.3.x, 2021.2.x, 2021.1.x, 2021.0.x
  • Puppet >= 7.0.0 < 9.0.0
  • , FreeBSD, ,

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'markt-postfix', '2.1.0'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add markt-postfix
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install markt-postfix --version 2.1.0

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.

Download

Documentation

markt/postfix — version 2.1.0 Aug 21st 2023

puppet-postfix

Build Status Puppet Forge Puppet Forge

Table of Contents

  1. Description
  2. Usage
  3. Reference
  4. Limitations
  5. Development

Description

An extremely flexible Puppet module to manage Postfix installation. Manage main.cf settings and master.cf entries by postconf backed native types. Both types include support for multiple Postfix instances. The Postfix instances can be managed with a native type too.

Usage

The easiest way to use this module is to specify all desired configuration in Hiera. Here is a close-to-real-life example:

postfix::main_config:
  alias_database: hash:/etc/aliases
  alias_maps: hash:/etc/aliases
  append_dot_mydomain: no
  biff: no
  inet_protocols: all
  inet_interfaces: all
  mydestination: '$myhostname, localdomain, localhost'
  myorigin: '$mydomain'
  mynetworks:
    - '10.40.0.0/24'
    - '127.0.0.0/8'
    - '[::ffff:127.0.0.0]/104'
    - '[::1]/128'
  readme_directory: no
  recipient_delimiter: +
  smtpd_banner: '$myhostname ESMTP $mail_name'
  smtpd_relay_restrictions:
    - permit_mynetworks
    - permit_sasl_authenticated
    - defer_unauth_destination
  smtpd_use_tls: yes
  smtpd_tls_cert_file: &postfix_cert /etc/postfix/ssl/postfix.crt
  smtpd_tls_key_file: &postfix_key /etc/postfix/ssl/postfix.key
  smtpd_sasl_auth_enable: no # only enable for mandatory tls ports
  smtpd_sasl_type: dovecot
  smtpd_sasl_path: private/auth
  # sasl only encrypted
  smtpd_tls_auth_only: yes
  smtpd_tls_security_level: may
  virtual_transport: 'lmtp:unix:private/dovecot-lmtp'
  milter_protocol: 6
  common_milters: >-
    { inet:localhost:11332,
    connect_timeout=10s,
    default_action=accept }
  smtpd_milters: '$common_milters'
  non_smtpd_milters: '$common_milters'
  milter_mail_macros: i {mail_addr} {client_addr} {client_name} {auth_authen}

postfix::master_services:
  # merged with the defaults defined in data/modules/postfix.yaml
  smtps/inet: { ensure: present }
  submission/inet: { ensure: present }

This will create postconf and postconf_master resources for each setting. The resource types can also be used directly as described below.

Generating default master.cf entries

In order to generate the default postconf_master hiera entries needed to run postfix, you can use the provided master2hierayaml.rb script:

scripts/master2hierayaml.rb /usr/share/doc/postfix/defaults/master.cf > data/modules/postfix.yaml

It will try to parse active as well as commented entries and lines, and output warnings to stderr if it fails to do so. However, check the output carefully, otherwise you might end up with a non-working mail system.

Purging unmanaged entries

By default, this module will warn about unmanaged config entries in any managed main.cf and master.cf, but not remove them. To enable purging of those resources, set purge_main and purge_master to true:

postfix::purge_main: true
postfix::purge_master: true

Types

The postconf type enables you to set or rest postconf parameters.

  postconf { 'myhostname':
    value => 'foo.bar',
  }

The postmulti type allows you to create, de/activate and destroy postfix postmulti instances with pupppet.

By default ensure is set to active but can be set to inactive or absent respectively to deactivate or remove an postmulti instance.

When using postmulti the resource name must begin with postfix-:

  postmulti { 'postfix-foo': }

Using the :: syntax in resource titles allows you to manage different postfix instances. In the following example the foo::myhostname postconf resource would internally set the Postfix configuration directory to /etc/postfix-foo and configure the parameter in this instance.

  postconf { 'foo::myhostname':
    parameter => 'myhostname',
    value     => 'foo.bar',
  }

The postconf_master type enables you to manage the master.cf entries.

  postconf_master { 'mytransport/unix':
    command => 'smtp',
  }

The service and type params allow you to define the postconf_master service/type independently from the resource name. Using the :: syntax in resource titles again allows you to manage different postfix instances.

  postconf_master { 'mytransport/unix':
    command => 'smtp',
  }

  postconf_master { 'foo::mytransport/unix':
    service    => 'mytransport',
    type       => 'unix',
    command    => 'smtp',
  }

Reference

Classes and parameters are documented in REFERENCE.md.

Limitations

The postfix version of RHEL7 does not support postconf_master. An alternative version is available from the IUS Community Project.

Development

Contributing

Please use the GitHub issues functionality to report any bugs or requests for new features. Feel free to fork and submit pull requests for potential contributions.