
Mail::SPF::Mech::Exists - SPF record exists mechanism class

An object of class Mail::SPF::Mech::Exists represents an SPF record mechanism of type exists.
The following constructors are provided:
Creates a new SPF record exists mechanism object.
%options is a list of key/value pairs representing any of the following options:
Creates a new SPF record exists mechanism object by parsing the string and any options given.
The following class methods are provided:
Returns 'exists'.
Returns a regular expression that matches a mechanism name of 'exists'.
The following instance methods are provided:
Returns the domain-spec parameter of the mechanism.
Checks whether a DNS A record exists for the mechanism's target domain name,
and returns true if one does,
or false otherwise.
See RFC 4408,
5.7,
for details.

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>