NAME
Validate::SPF - Validates SPF text string
VERSION
version 0.002
SYNOPSIS
use Validate::SPF qw( validate );
my $spf_text = 'v=spf1 +a/24 mx mx:mailer.example.com ip4:192.168.0.1/16 -all';
print $spf_text . "\n";
print ( validate( $spf_text ) ? 'valid' : 'NOT valid' ) . "\n";
DESCRIPTION
This module implements basic SPF validation.
This is ALPHA quality software. The API may change without notification!
FUNCTIONS
validate
Parse and validate SPF string..
EXPORTS
Module does not export any symbols by default.
check_extra
Checks extra parameters of the tokens (mechanisms, modifiers). Uses the appropriate private function to validate it. Returns the result of calling this function, or 0 if no function found.
PRIVATE FUNCTIONS
_validate_a
Additional checks for A mechanism.
The A records can be passed as
a
a/<prefix-length>
a:<domain-name>
a:<domain-name>/<prefix-length>
If no domain-name given, the current domain is used.
_validate_mx
Additional checks for MX mechanism.
The MX records can be passed as
mx
mx/<prefix-length>
mx:<domain-name>
mx:<domain-name>/<prefix-length>
If no domain-name given, the current domain is used.
_validate_ip4
Additional checks for IP4 mechanism.
IPv4 addresses can be passed as
ip4:<IPv4-address>
ip4:<IPv4-network>/<prefix-length>
If no prefix-length given, the /32 is assumed.
_validate_ip6
Additional checks for IP6 mechanism.
IPv6 addresses can be passed as
ip6:<IPv6-address>
ip6:<IPv6-network>/<prefix-length>
If no prefix-length given, the /128 is assumed.
_validate_ptr
Additional checks for PTR mechanism.
ptr
ptr:<domain>
_validate_exists
Additional checks for EXISTS mechanism.
exists:<domain>
_validate_include
Additional checks for INCLUDE mechanism.
include:<domain>
_validate_redirect
Additional checks for REDIRECT modifier.
redirect=<domain>
_validate_exp
Additional checks for EXP modifier.
exp=<domain>
SEE ALSO
Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1.
AUTHOR
Anton Gerasimov <chim@cpan.org>
COPYRIGHT AND LICENSE
This software is copyright (c) 2014 by Anton Gerasimov.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.