Protocols
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
Bizanga
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
Reject.
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.