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Mail::SpamAssassin::RegistryBoundaries(3pm) User Contributed Perl Documentation Mail::SpamAssassin::RegistryBoundaries(3pm)

NAME

Mail::SpamAssassin::RegistryBoundaries - domain delegation rules

METHODS

($hostname, $domain) = split_domain ($fqdn, $is_ascii)
Cut a fully-qualified hostname into the hostname part and the domain part, splitting at the DNS registry boundary.

Examples:

    "www.foo.com" => ( "www", "foo.com" )
    "www.foo.co.uk" => ( "www", "foo.co.uk" )
    

If $is_ascii given and true, skip idn_to_ascii() conversion

$domain = trim_domain($fqdn, $is_ascii)
Cut a fully-qualified hostname into the hostname part and the domain part, returning just the domain.

Examples:

    "www.foo.com" => "foo.com"
    "www.foo.co.uk" => "foo.co.uk"
    

If $is_ascii given and true, skip idn_to_ascii() conversion

$ok = is_domain_valid($dom, $is_ascii)
Return 1 if the domain/hostname uses valid known TLD, "undef" otherwise.

If $is_ascii given and true, skip idn_to_ascii() conversion.

Note that this only checks the TLD validity and nothing else. To verify that the complete fqdn is in a valid legal format, Util::is_fqdn_valid() can additionally be used.

2020-08-03 perl v5.30.3