- refactor profiles::postfix::gateway as parameterized class
- move base postfix parameters, transports, and virtuals to hiera for flexibility
- convert SMTP restrictions to arrays for better readability using join()
- add postscreen enable/disable boolean with conditional master.cf configuration
- add per-domain TLS policy maps (smtp_tls_policy_maps)
- convert alias_maps to array parameter for flexibility
- convert all postfix map files to ERB templates with parameter hashes
- add map parameters: sender_canonical_maps, sender_access_maps, relay_recipients_maps,
relay_domains_maps, recipient_canonical_maps, recipient_access_maps, postscreen_access_maps, helo_access_maps
- move default map data to hiera while keeping parameters as empty hashes by default
This approach balances flexibility with data-driven configuration, allowing
easy customization through parameters while keeping transport/virtual maps
and default map data in hiera for role-specific overrides.
Reviewed-on: #416
Ben Vincent
78adef0eee