|libmail-spf-query-perl | query SPF (Sender Policy Framework) to validate mail senders | Mehr ...|
| The Sender Policy Framework (SPF) protocol relies on sender domains to publish
a DNS whitelist of their designated outbound mailers. This module, given an
envelope sender, determines whether a given client IP address is a legitimate
This package also includes spfquery, a command line interface to the module,
and spfd, a query proxy for some mail server configurations.
For more information on SPF, see .