I am writing an SMTP authentication plugin for qpsmtpd which will call
Different error codes require different treatment; e.g. "incorrect
password" is fatal, whereas some errors should probably allow a retry
before dropping the connection.
So can the various error code values from vchkpw be relied upon, or are
they subject to change?
Are they officially published somewhere in the doco/specs or is the
source code the only authoritative reference?
- [vchkpw] Stability of error codes from vchkpw Charles Butcher