
Mail::SPF::Mech::PTR - SPF record ptr mechanism class

An object of class Mail::SPF::Mech::PTR represents an SPF record mechanism of type ptr.
The following constructors are provided:
Creates a new SPF record ptr mechanism object.
%options is a list of key/value pairs representing any of the following options:
Creates a new SPF record ptr mechanism object by parsing the given string.
The following class methods are provided:
Returns 'ptr'.
Returns a regular expression that matches a mechanism name of 'ptr'.
The following instance methods are provided:
Returns the domain-spec parameter of the mechanism.
Checks whether the mechanism's target domain name, or a sub-domain thereof, is a "valid" domain name for the given request's IP address (see "ip_address" in Mail::SPF::Request), and returns true if it does, or false otherwise. See "valid_domain_for_ip_address" in Mail::SPF::Util for how domains are validated. See RFC 4408, 5.5, for the description of an equivalent algorithm.

Mail::SPF, Mail::SPF::Record, Mail::SPF::Term, Mail::SPF::Mech
http://www.ietf.org/rfc/rfc4408.txt
For availability, support, and license information, see the README file included with Mail::SPF.

Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org>