RFC7489 6.6.1 states that "group" syntax, are typically ignored

msimerson · Jan 29, 2025 · a053994 · a053994
1 parent aa2fbf1
commit a053994
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/Mail/DMARC/Base.pm b/lib/Mail/DMARC/Base.pm
@@ -283,7 +283,7 @@ sub is_valid_domain {
     return 0 if $domain !~ /^$RE{net}{domain}{-rfc1101}{-nospace}$/x;
     my $tld = ( split /\./, lc $domain )[-1];
     return 1 if $self->is_public_suffix($tld);
-    return 1 if $domain eq 'localhost';
+    return 0 if lc $domain eq 'localhost';
     $tld = join( '.', ( split /\./, $domain )[ -2, -1 ] );
     return 1 if $self->is_public_suffix($tld);
     return 0;