Protocols are automatically detected. One needs to only load the protocol module.

Postfix Protocol

Full support for Postfix's SMTP access delection protocol. Protocol information can be found here


Support for the Bizanga HTTP policy protocol.

Response Code: 200

Pass, for instance when a module was run and it passed the tests.

Response Code: 401

Defer, for instance greylisting.

Response Code: 403


Response Code: 503

General error.

Response Code: 507

Database error.

Response Code: 502

Data error, possibly if data in the database doesn't pass validation tests.