This plugin allows the configuration of aliases that change the RCPT address. Aliases are specified in a database table.

IMPORTANT: this plugin must appear in config/plugins before other plugins that run on hook_rcpt

WARNING: DO NOT USE THIS PLUGIN WITH queue/smtp_proxy.

Followed the recommended database schema for using this plugin. You may modify the schema as you need, but please DO NOT remove the source and destination column.

CREATE TABLE aliases (
	source VARCHAR(100) NULL,
	destination VARCHAR(100) NOT NULL,
	UNIQUE(source, destination)
)

The alias-pg.json file has the following structure (defaults shown). Also note that this file will need to be created, if not present, in the config directory.

{
  "user": "mail",
  "database": "maildb",
  "password": "",
  "host": "127.0.0.1",
  "port": 5432,
  "max": 20,
  "idleTimeoutMillis": 30000,
  "sqlQuery": "SELECT destination FROM aliases WHERE source=$1",
  "sslCa": "/path/to/your/pgsql/ca/certificate" // Remove this if you don't use SSL mode
}