#!/usr/bin/perl -w
-# Copyright (C) 2016-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
use strict;
use Sendmail::PMilter qw(:all);
my $unsub = $priv->{header}->{'list-unsubscribe'} || [];
my $n = 0;
+ my $added;
foreach my $u (@$unsub) {
# Milter indices are 1-based,
# not 0-based like Perl arrays
$v .= ",\n <https://$domain/u/$u/$list>";
$ctx->chgheader($k, $index, $v);
+ $added = 1;
}
+ # RFC 8058
+ $added and $ctx->addheader('List-Unsubscribe-Post',
+ 'List-Unsubscribe=One-Click');
};
warn $@ if $@;
SMFIS_CONTINUE;
if ($fds && (($ENV{LISTEN_PID} || 0) == $$)) {
die "$0 can only listen on one FD\n" if $fds != 1;
my $start_fd = 3;
- open(my $s, '<&=', $start_fd) or
+ my $s = IO::Socket->new_from_fd($start_fd, 'r') or
die "inherited bad FD from LISTEN_FDS: $!\n";
$milter->set_socket($s);
} else {