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haraka-plugin-qmail-deliverable

A client for checking the deliverability of an email address against the qmail-deliverabled daemon.

On incoming messages (relaying=false), validate the RCPT TO address.

Configuration

The host and port that qmail-deliverabled is listening on can be set in config/qmail-deliverable.ini

- host (Default: localhost)
- port (Default: 8998)
- check_mail_from= (Default: true)

When check_mail_from is enabled, the MAIL FROM address is checked for deliverability. The deliverable status can be inspected by checking transaction.notes.local_sender. This information can be used later to influence mail routing.

$3

MX routing for individual domains can be set by defining queue and next_hop.

- queue: a queue plugin (smtp_forward, qmail-queue, lmtp), or lmtp. When queue=lmtp, if qmail-deliverable reports that the destination address is a mailbox (ie, not email list, forward, alias, etc.), then this plugin will configure the next_hop to be lmtp://$host/ and will set up that route (via get_mx()) so that outbound delivers the message to the mailbox via LMTP.

- next_hop: a URL. Examples: smtp://mx.example.com and lmtp://int.mx.example.com:24. This plugin uses next_hop to direct messages to local mailboxes via LMTP. If the LMTP server (dovecot, in my case) is not the same host that is running qmail-deliverabled, set next_hop accordingly.

Per-domain Configuration

Domains can have their own configuration. The defaults are the same, so only the differences
needs to be declared. Example:

``ini
[example.com]
host=192.168.0.1

[example2.com]
host=192.168.0.2
``

[ci-img]: https://github.com/haraka/haraka-plugin-qmail-deliverable/actions/workflows/ci.yml/badge.svg
[ci-url]: https://github.com/haraka/haraka-plugin-qmail-deliverable/actions/workflows/ci.yml
[clim-img]: https://codeclimate.com/github/haraka/haraka-plugin-qmail-deliverable/badges/gpa.svg
[clim-url]: https://codeclimate.com/github/haraka/haraka-plugin-qmail-deliverable