Class Hierarchy

• exceptions.Exception: Common base class for all exceptions.
  • spf.TempError: Temporary SPF error
  • spf.AmbiguityWarning: SPF Warning - ambiguous results
  • spf.PermError: Permanent SPF error
• object: The most base type
  • int: int(x[, base]) -> integer
    • bool: bool(x) -> bool
  • spf.query: A query object keeps the relevant information about a single SPF query: