dataset/seed/postfix-relay/README.md

Table of Contents

• postfix-relay
• Synopsis
• Example
• Basic variables
• General
• Postfix mail server
• Requirements services
• Mandatories
• Optionals
• Dependances
• Useful for services

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postfix-relay

Synopsis

Postfix, the mail server, as relay.

The mail relay allows the various internal services to communicate with the other services. It is also possible to receive from outside or send emails to the outside.

Example

Zone names are provided as examples. Think about adapting with the value of provider_zone in configuration file.

postfix-relay:
  applicationservice: postfix-relay
  provider_zone: smtp
  zones_name:
    - externaldns

Basic variables

General

Postfix mail server

Parameter	Comments
general.postfix.postfix_mail_hostname Type: domainname	External email server domain name. This variable is mandatory if mail server needs to interact with external area.
general.postfix.postfix_crt_provider mandatory Type: choice	Type of certificate autority signing external certificate. The certificate can be self-signed (therefore invalid by default for the client) or obtained via the Let's Encrypt service (generally valid for the client). Choices: - self-signed ← default - letsencrypt

Requirements services

Mandatories

• ExternalDNS: DNS forwarder for all DNS zones.

Optionals

• Journald: Concentrate journal messages on one host.

Dependances

• base-fedora-35: Base information of a Fedora 35.
  • base-fedora: Base information of a Fedora.
    • systemd: Systemd, a system and service manager.
      • base-machine: Base information for a machine.
        • base: Base of all application services.
        • dns-local: DNS client with access to local zones.
        • pki-tls: Autosign PKI or Let's encrypt support for TLS certificates.
      • journald: Journald.
      • resolved: Resolved.
• dns-external: DNS client with resolution on all zones (especially outside).
• postfix-lmtp-relay: Postfix, the mail server, as LMTP relay.

Useful for services

• dovecot: Postfix and Dovecot as mail servers (IMAP and submission).
• forgejo: Forgejo, a community managed lightweight code hosting solution.
• gitea: Transitional package for Gitea to Forgejo.
• grafana: Grafana is an analytics and interactive visualization web application.
• lemonldap: LemonLDAP, a Web Single Sign On and Access Management.
• mailman: GNU Mailman, managing electronic mail discussion and e-newsletter lists.
• nextcloud: Nextcloud, Online collaboration platform.
• odoo: Odoo, an ERP and CRM.
• peertube: Peertube, a federated (ActivityPub) video streaming platform.
• piwigo: Piwigo, a photo management software.
• vaultwarden: Vaultwarden, a password manager.