undef;
}
-sub header_append ($$$) {
- my ($hdr, $k, $v) = @_;
- my @v = $hdr->header_raw($k);
- foreach (@v) {
- return if $v eq $_;
- }
- $hdr->header_set($k, @v, $v);
-}
-
sub xref_by_tc ($$$) {
my ($xref, $pi_cfg, $smsg) = @_;
my $by_addr = $pi_cfg->{-by_addr};