MX API Configuration

Server

Var	Description	Default
`BIND_HOST`	Bind host for Fastify	127.0.0.1
`PORT`	HTTP port	3000
`MX_API_KEYS`	API keys for `/v2` routes	none

Postgres

Var	Description	Default
`PGHOST`	Postgres host	none
`PGUSER`	Postgres user	none
`PGPASSWORD`	Postgres password	none
`PGDATABASE`	Postgres database	none
`PGPORT`	Postgres port	5432

Domain and DNS settings

Var	Description	Default
`MX_HOST`	MX target inserted in DNS records	none
`MX_PRIORITY_INT`	MX priority	10
`MX_A_RECORD_VALUE`	Optional A record for mx host	empty
`DKIM_SELECTOR`	DKIM selector	default

IMAP and sync

Var	Description	Default
`IMAP_HOST`	IMAP host for sync	127.0.0.1
`IMAP_PORT`	IMAP port	993
`IMAP_SECURE`	IMAP TLS on/off	true
`IMAP_MASTER_USER`	Master login user	none
`IMAP_MASTER_PASS`	Master login password	none
`MX_SYNC_BATCH`	Sync batch size	200
`MX_SYNC_MAX_UIDS`	Sync max UIDs per run	2000

JWT verification

Var	Description	Default
`JWT_JWKS_URL`	JWKS URL for RS256/ES256 tokens	none
`JWT_HS256_SECRET`	Shared secret for HS256 tokens	none
`JWT_ISSUER`	Expected issuer	none
`JWT_AUDIENCE`	Expected audience	none

Webhooks

Var	Description	Default
`DOVECOT_PUSH_HMAC_SECRET`	HMAC secret for `/hooks/dovecot`	none