Constructors

The following constructors are provided:

new(%options): returns Mail::SPF::Mech::MX

Creates a new SPF record "mx" mechanism object.

%options is a list of key/value pairs representing any of the following options:

new_from_string($text, %options): returns Mail::SPF::Mech::MX; throws Mail::SPF::ENothingToParse, Mail::SPF::EInvalidMech

Creates a new SPF record "mx" mechanism object by parsing the string and any options given.

Class methods

The following class methods are provided:

default_qualifier

default_ipv4_prefix_length

default_ipv6_prefix_length

qualifier_pattern

See "Class methods" in Mail::SPF::Mech.

name: returns string

Returns 'mx'.

name_pattern: returns Regexp

Returns a regular expression that matches a mechanism name of 'mx'.

Instance methods

The following instance methods are provided:

text

qualifier

params

stringify

domain

match_in_domain

See "Instance methods" in Mail::SPF::Mech.

domain_spec: returns Mail::SPF::MacroString

Returns the "domain-spec" parameter of the mechanism.

ipv4_prefix_length: returns integer

Returns the IPv4 network prefix length of the mechanism.

ipv6_prefix_length: returns integer

Returns the IPv6 network prefix length of the mechanism.

match($server, $request): returns boolean

Checks whether any MX hosts of the mechanism's target domain name (that is, any of the host addresses of its DNS "MX" records) matches the given request's IP address (see "ip_address" in Mail::SPF::Request), and returns true if it does, or false otherwise. The mechanism's IP network prefix lengths are respected when matching address records against the request's IP address. See RFC 4408, 5 and 5.4, for the exact algorithm used.